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Subject: [Boost-commit] svn:boost r58131 - in trunk: boost/exception boost/exception/detail libs/exception/doc libs/exception/doc/source libs/exception/test
From: emil_at_[hidden]
Date: 2009-12-03 20:29:24

Author: emildotchevski
Date: 2009-12-03 20:29:22 EST (Thu, 03 Dec 2009)
New Revision: 58131
URL: http://svn.boost.org/trac/boost/changeset/58131

Log:
minor diagnostic_information maintenance, updated documentation
Removed:
   trunk/boost/exception/detail/exception_ptr_base.hpp
Text files modified:
   trunk/boost/exception/detail/exception_ptr.hpp | 28
   trunk/boost/exception/diagnostic_information.hpp | 92
   trunk/libs/exception/doc/boost_exception_ptr_hpp.html | 2
   trunk/libs/exception/doc/diagnostic_information.html | 4
   trunk/libs/exception/doc/source/boost-exception.reno | 9265 ++++++++++++++++++++-------------------
   trunk/libs/exception/test/no_exceptions_test.cpp | 13
   6 files changed, 4711 insertions(+), 4693 deletions(-)

Modified: trunk/boost/exception/detail/exception_ptr.hpp
==============================================================================
--- trunk/boost/exception/detail/exception_ptr.hpp (original)
+++ trunk/boost/exception/detail/exception_ptr.hpp 2009-12-03 20:29:22 EST (Thu, 03 Dec 2009)
@@ -42,8 +42,7 @@
 void rethrow_exception( exception_ptr const & );

 class
- exception_ptr:
- public exception_detail::exception_ptr_base
+ exception_ptr
 {
 typedef bool exception_ptr::*unspecified_bool_type;
 friend exception_ptr current_exception();
@@ -72,7 +71,7 @@
 }

 void
- _rethrow() const
+ rethrow() const
 {
 BOOST_ASSERT(*this);
 if( bad_alloc_ )
@@ -82,7 +81,7 @@
 }

 bool
- _empty() const
+ empty() const
 {
 return !bad_alloc_ && !c_;
 }
@@ -100,7 +99,7 @@

 operator unspecified_bool_type() const
 {
- return _empty() ? 0 : &exception_ptr::bad_alloc_;
+ return empty() ? 0 : &exception_ptr::bad_alloc_;
 }

 friend
@@ -443,7 +442,24 @@
 void
 rethrow_exception( exception_ptr const & p )
 {
- p._rethrow();
+ p.rethrow();
+ }
+
+ inline
+ std::string
+ diagnostic_information( exception_ptr const & p )
+ {
+ if( p )
+ try
+ {
+ rethrow_exception(p);
+ }
+ catch(
+ ... )
+ {
+ return current_exception_diagnostic_information();
+ }
+ return "<empty>";
 }

 inline

Deleted: trunk/boost/exception/detail/exception_ptr_base.hpp
==============================================================================
--- trunk/boost/exception/detail/exception_ptr_base.hpp 2009-12-03 20:29:22 EST (Thu, 03 Dec 2009)
+++ (empty file)
@@ -1,36 +0,0 @@
-//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
-
-//Distributed under the Boost Software License, Version 1.0. (See accompanying
-//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-
-#ifndef UUID_DC4208C6417811DEBF11E1EC55D89593
-#define UUID_DC4208C6417811DEBF11E1EC55D89593
-
-#if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
-#pragma GCC system_header
-#endif
-
-namespace
-boost
- {
- namespace
- exception_detail
- {
- class
- exception_ptr_base
- {
- public:
-
- virtual void _rethrow() const=0;
- virtual bool _empty() const=0;
-
- protected:
-
- ~exception_ptr_base() throw()
- {
- }
- };
- }
- }
-
-#endif

Modified: trunk/boost/exception/diagnostic_information.hpp
==============================================================================
--- trunk/boost/exception/diagnostic_information.hpp (original)
+++ trunk/boost/exception/diagnostic_information.hpp 2009-12-03 20:29:22 EST (Thu, 03 Dec 2009)
@@ -12,13 +12,37 @@

#include <boost/config.hpp>
#include <boost/exception/get_error_info.hpp>
-#include <boost/exception/detail/exception_ptr_base.hpp>
#include <boost/utility/enable_if.hpp>
#include <boost/config.hpp>
#include <exception>
#include <sstream>
#include <string>

+#ifndef BOOST_NO_EXCEPTIONS
+#include <boost/exception/current_exception_cast.hpp>
+namespace
+boost
+ {
+ namespace
+ exception_detail
+ {
+ std::string diagnostic_information_impl( boost::exception const *, std::exception const *, bool );
+ }
+
+ inline
+ std::string
+ current_exception_diagnostic_information()
+ {
+ boost::exception const * be=current_exception_cast<boost::exception const>();
+ std::exception const * se=current_exception_cast<std::exception const>();
+ if( be || se )
+ return exception_detail::diagnostic_information_impl(be,se,true);
+ else
+ return "No diagnostic information available.";
+ }
+ }
+#endif
+
namespace
boost
 {
@@ -27,7 +51,7 @@
 {
 template <class T>
 struct
- enable_boost_exception_overload
+ is_convertible_to_boost_exception
 {
 struct yes { char q[100]; };
 typedef char no;
@@ -38,13 +62,13 @@

 template <class T>
 struct
- enable_std_exception_overload
+ is_convertible_to_std_exception
 {
 struct yes { char q[100]; };
 typedef char no;
 static yes check(std::exception const *);
 static no check(...);
- enum e { value = !enable_boost_exception_overload<T>::value && sizeof(check((T*)0))==sizeof(yes) };
+ enum e { value = sizeof(check((T*)0))==sizeof(yes) };
 };

 inline
@@ -70,12 +94,13 @@
 std::string
 diagnostic_information_impl( boost::exception const * be, std::exception const * se, bool with_what )
 {
- BOOST_ASSERT(be||se);
+ if( !be && !se )
+ return "Unknown exception.";
#ifndef BOOST_NO_RTTI
- if( !se )
- se = dynamic_cast<std::exception const *>(be);
 if( !be )
- be = dynamic_cast<boost::exception const *>(se);
+ be=dynamic_cast<boost::exception const *>(se);
+ if( !se )
+ se=dynamic_cast<std::exception const *>(be);
#endif
 char const * wh=0;
 if( with_what && se )
@@ -115,19 +140,12 @@
 }

 template <class T>
- inline
- typename enable_if<exception_detail::enable_boost_exception_overload<T>,std::string>::type
- diagnostic_information( T const & e )
- {
- return exception_detail::diagnostic_information_impl(&e,0,true);
- }
-
- template <class T>
- inline
- typename enable_if<exception_detail::enable_std_exception_overload<T>,std::string>::type
+ std::string
 diagnostic_information( T const & e )
 {
- return exception_detail::diagnostic_information_impl(0,&e,true);
+ boost::exception const * be=exception_detail::is_convertible_to_boost_exception<T>::value?((boost::exception const *)&e):0;
+ std::exception const * se=exception_detail::is_convertible_to_std_exception<T>::value?((std::exception const *)&e):0;
+ return exception_detail::diagnostic_information_impl(be,se,true);
 }

 inline
@@ -152,40 +170,4 @@
 }
 }

-#ifndef BOOST_NO_EXCEPTIONS
-#include <boost/exception/current_exception_cast.hpp>
-namespace
-boost
- {
- inline
- std::string
- current_exception_diagnostic_information()
- {
- boost::exception const * be=current_exception_cast<boost::exception const>();
- std::exception const * se=current_exception_cast<std::exception const>();
- if( be || se )
- return exception_detail::diagnostic_information_impl(be,se,true);
- else
- return "No diagnostic information available.";
- }
-
- inline
- std::string
- diagnostic_information( exception_detail::exception_ptr_base const & p )
- {
- if( !p._empty() )
- try
- {
- p._rethrow();
- }
- catch(
- ... )
- {
- return current_exception_diagnostic_information();
- }
- return "<empty>";
- }
- }
-#endif
-
#endif

Modified: trunk/libs/exception/doc/boost_exception_ptr_hpp.html
==============================================================================
--- trunk/libs/exception/doc/boost_exception_ptr_hpp.html (original)
+++ trunk/libs/exception/doc/boost_exception_ptr_hpp.html 2009-12-03 20:29:22 EST (Thu, 03 Dec 2009)
@@ -47,7 +47,7 @@
void rethrow_exception( exception_ptr const & ep );
}</pre>
</div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
-See also: boost/exception/all.hpp | copy_exception | current_exception | exception_ptr | original_exception_type | rethrow_exception | Synopsis | unknown_exception
+See also: boost/exception/all.hpp | copy_exception | current_exception | diagnostic_information | exception_ptr | original_exception_type | rethrow_exception | Synopsis | unknown_exception
</div>

Modified: trunk/libs/exception/doc/diagnostic_information.html
==============================================================================
--- trunk/libs/exception/doc/diagnostic_information.html (original)
+++ trunk/libs/exception/doc/diagnostic_information.html 2009-12-03 20:29:22 EST (Thu, 03 Dec 2009)
@@ -21,7 +21,7 @@

<div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>diagnostic_information</h3>
</div>
-<div class="RenoIncludeDIV">#include <boost/exception/diagnostic_information.hpp>  
+<div class="RenoIncludeDIV">#include <boost/exception/diagnostic_information.hpp>  #include <boost/exception_ptr.hpp>  
<pre>namespace
boost
{
@@ -33,7 +33,7 @@
</div><h4>Returns:</h4>
A string value that contains varying amount of implementation-specific diagnostic information about the passed object:
<div><ul><li>If E can be statically converted to boost::exception, the returned value contains the string representations of all error_info objects stored in the boost::exception through operator<<, along with other diagnostic information relevant to the exception. If e can be dynamically converted to std::exception, the returned value also contains the what() string.</li>
-<li>Otherwise, if E can be statically converted std::exception:<div><ul><li>if e can be dynamically converted to boost::exception, the returned value is the same as if E could be statically converted to boost::exception;</li>
+<li>Otherwise, if E can be statically converted to std::exception:<div><ul><li>if e can be dynamically converted to boost::exception, the returned value is the same as if E could be statically converted to boost::exception;</li>
<li>otherwise the returned value contains the what() string.</li>
</ul></div>
</li>

Modified: trunk/libs/exception/doc/source/boost-exception.reno
==============================================================================
--- trunk/libs/exception/doc/source/boost-exception.reno (original)
+++ trunk/libs/exception/doc/source/boost-exception.reno 2009-12-03 20:29:22 EST (Thu, 03 Dec 2009)
@@ -53,18 +53,29 @@
 <hook>
 <stream_hook_path>
 <container>
- <size>0</size>
+ <size>2</size>
+ F7633FDCF6615C0199645701EE6E7ACE5CBCD7A7CF6838573791E91ABB3C09F2
+ <weak>1668435395</weak>
+ <size>1332</size>
+ <position>501</position>
+ A1F443AF571973A12005D2F7D4AE09A32AAF686FEEAE272EC21512A65EB943E8
+ <weak>3879093659</weak>
+ <size>1300</size>
+ <position>26</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
- <empty>1</empty>
+ <empty>0</empty>
+ <string>../../../../boost/exception/info_tuple.hpp</string>
+ <type>0</type>
+ <base>0</base>
 </path>
 </file>
 </hook>
 <title>
- <string>using virtual inheritance in exception types</string>
+ <string>tuple/operator<<</string>
 </title>
 <file_name>
 <string></string>
@@ -91,21 +102,36 @@
 <hook>
 <stream_hook_path>
 <container>
- <size>0</size>
+ <size>3</size>
+ ABA4CA0D43528F04AA5429024996E398E31EBC5B283E9ACE09A55D50DF5D1961
+ <weak>3606121577</weak>
+ <size>9890</size>
+ <position>428</position>
+ C908C7F4E8A72C39F05019127BD3345618C0C00CF168EE584E1BD669B6CE062D
+ <weak>706692100</weak>
+ <size>1961</size>
+ <position>3959</position>
+ DA154372D8C23BD9EDC30005CA7959CE686D198891097A837D006B5222F04DE9
+ <weak>2768248809</weak>
+ <size>143</size>
+ <position>60</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
- <empty>1</empty>
+ <empty>0</empty>
+ <string>../../../../boost/exception/exception.hpp</string>
+ <type>0</type>
+ <base>0</base>
 </path>
 </file>
 </hook>
 <title>
- <string>exception types as simple semantic tags</string>
+ <string>exception::exception</string>
 </title>
 <file_name>
- <string></string>
+ <string>exception_constructors</string>
 </file_name>
 </object>
 </shared_ptr>
@@ -129,18 +155,25 @@
 <hook>
 <stream_hook_path>
 <container>
- <size>0</size>
+ <size>1</size>
+ ABA4CA0D43528F04AA5429024996E398E31EBC5B283E9ACE09A55D50DF5D1961
+ <weak>3606121577</weak>
+ <size>9890</size>
+ <position>428</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
- <empty>1</empty>
+ <empty>0</empty>
+ <string>../../../../boost/exception/exception.hpp</string>
+ <type>0</type>
+ <base>0</base>
 </path>
 </file>
 </hook>
 <title>
- <string>frequently asked questions</string>
+ <string>boost/exception/exception.hpp</string>
 </title>
 <file_name>
 <string></string>
@@ -167,95 +200,41 @@
 <hook>
 <stream_hook_path>
 <container>
- <size>0</size>
+ <size>1</size>
+ FC684D0DD5A9732B4130F2AB3DB6E0491D0F523E14B7FB738B2019EA2C7F8717
+ <weak>2229778754</weak>
+ <size>631</size>
+ <position>319</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
- <empty>1</empty>
+ <empty>0</empty>
+ <string>../../example/cloning_2.cpp</string>
+ <type>0</type>
+ <base>0</base>
 </path>
 </file>
 </hook>
 <title>
- <string>Motivation</string>
+ <string>cloning and re-throwing an exception</string>
 </title>
 <file_name>
- <string>motivation</string>
+ <string>cloning_and_rethrowing</string>
 </file_name>
 </object>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
- <variant>2</variant>
- <string>(:include include:)
(:auto also explicit="</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-6</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>9</id>
- <type>
- <string>reno_context</string>
- </type>
- <object>
- <hook>
- <hook>
- <stream_hook_path>
- <container>
- <size>1</size>
- C95CEF2E9D0BAA1E950509471062916DB849A46A19F7692BA478030E79B338EB
- <weak>1917376632</weak>
- <size>706</size>
- <position>408</position>
- </container>
- </stream_hook_path>
- </hook>
- <file>
- <path>
- <empty>0</empty>
- <string>../../example/enable_error_info.cpp</string>
- <type>0</type>
- <base>0</base>
- </path>
- </file>
- </hook>
- <title>
- <string>integrating boost exception in existing exception class hierarchies</string>
- </title>
- <file_name>
- <string>tutorial_enable_error_info</string>
- </file_name>
- </object>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-7</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>":)
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>10</id>
+ <id>9</id>
 <type>
 <string>reno_context</string>
 </type>
@@ -265,28 +244,28 @@
 <stream_hook_path>
 <container>
 <size>2</size>
- 307034E20863A00923777A60D9495B4076B7F917D5B97203025299060F0833E0
- <weak>3948311309</weak>
- <size>396</size>
- <position>344</position>
- F8ED2052577830AC0C515EC5932BB14445DD5DA714782281FCDB1776961FECB1
- <weak>3880328768</weak>
- <size>82</size>
- <position>308</position>
+ ABA4CA0D43528F04AA5429024996E398E31EBC5B283E9ACE09A55D50DF5D1961
+ <weak>3606121577</weak>
+ <size>9890</size>
+ <position>428</position>
+ DF9EA87B0140AACF4422F1B76F6A6A409C15F32858BBBA85A35981A824C56BA9
+ <weak>1137981799</weak>
+ <size>192</size>
+ <position>9692</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception/errinfo_file_name.hpp</string>
+ <string>../../../../boost/exception/exception.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 </hook>
 <title>
- <string>errinfo_file_name</string>
+ <string>enable_current_exception</string>
 </title>
 <file_name>
 <string></string>
@@ -304,7 +283,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>11</id>
+ <id>10</id>
 <type>
 <string>reno_context</string>
 </type>
@@ -314,28 +293,28 @@
 <stream_hook_path>
 <container>
 <size>2</size>
- DA1CAA5F6BAB712AD89E8A0B7D83961FCE4AF9FD198791C9F6EA299800A64FAC
- <weak>3553871704</weak>
- <size>612</size>
- <position>1496</position>
- 154AC930BD1FDCADE24CDB07DBD3163CA26378AF4F1D428C34B67D1F68A60891
- <weak>50905072</weak>
- <size>586</size>
- <position>23</position>
+ AE39C833229D2025795E45693EC41931EF387FA93C636230DBE28F94FAD04760
+ <weak>3442098514</weak>
+ <size>1214</size>
+ <position>449</position>
+ A27237A743E85C6D6C1E908421AA26DEB9BEFC781D6EE64C31C3DCFBEEF5A4B9
+ <weak>907005134</weak>
+ <size>749</size>
+ <position>412</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/throw_exception.hpp</string>
+ <string>../../../../boost/exception/detail/error_info_impl.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 </hook>
 <title>
- <string>throw_exception</string>
+ <string>error_info</string>
 </title>
 <file_name>
 <string></string>
@@ -353,7 +332,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>12</id>
+ <id>11</id>
 <type>
 <string>reno_context</string>
 </type>
@@ -373,10 +352,10 @@
 </file>
 </hook>
 <title>
- <string>Synopsis</string>
+ <string>page index</string>
 </title>
 <file_name>
- <string>synopsis</string>
+ <string>page_idx</string>
 </file_name>
 </object>
 </shared_ptr>
@@ -391,7 +370,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>13</id>
+ <id>12</id>
 <type>
 <string>reno_context</string>
 </type>
@@ -400,41 +379,47 @@
 <hook>
 <stream_hook_path>
 <container>
- <size>1</size>
- 756A81C65A938BEEAD9B576707145748A3DB3BF767CC77ADD5AACD549373856A
- <weak>904132245</weak>
- <size>744</size>
- <position>363</position>
+ <size>2</size>
+ EEA69AA1E84CB2B7C903A3F4C236D0A233D03DBA4BA1D3B97D959918F3B30E09
+ <weak>2728032055</weak>
+ <size>406</size>
+ <position>344</position>
+ EE695B95A2499B66980754857E184776F1DE7224372A5F5153B6DF94E621A89B
+ <weak>1009590890</weak>
+ <size>92</size>
+ <position>308</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../example/info_tuple.cpp</string>
+ <string>../../../../boost/exception/errinfo_file_open_mode.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 </hook>
 <title>
- <string>adding grouped data to exceptions</string>
+ <string>errinfo_file_open_mode</string>
 </title>
 <file_name>
- <string>grouping_data</string>
+ <string></string>
 </file_name>
 </object>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:include include:)
(:auto also:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>14</id>
+ <id>13</id>
 <type>
 <string>reno_context</string>
 </type>
@@ -443,32 +428,21 @@
 <hook>
 <stream_hook_path>
 <container>
- <size>2</size>
- E08150343DD1B942E2AC7DDB8EE52852BF2E03476430238FCFF49CD2C09E55E6
- <weak>1796675348</weak>
- <size>978</size>
- <position>4763</position>
- 36688510914673386A7870D1D4970B7D74CF9A4B7226F9E225A5607DCBFB12C4
- <weak>2314308857</weak>
- <size>446</size>
- <position>110</position>
+ <size>0</size>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
- <empty>0</empty>
- <string>../../../../boost/exception/diagnostic_information.hpp</string>
- <type>0</type>
- <base>0</base>
+ <empty>1</empty>
 </path>
 </file>
 </hook>
 <title>
- <string>current_exception_diagnostic_information</string>
+ <string>Types</string>
 </title>
 <file_name>
- <string></string>
+ <string>types</string>
 </file_name>
 </object>
 </shared_ptr>
@@ -483,7 +457,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>15</id>
+ <id>14</id>
 <type>
 <string>reno_context</string>
 </type>
@@ -493,9 +467,9 @@
 <stream_hook_path>
 <container>
 <size>1</size>
- BF7B46FEFA4E2DED7D652BFD40E94DD0B225ADA8D35E28FF4216F72812589835
- <weak>422843600</weak>
- <size>756</size>
+ 741493399544444FAFD8024809F7086A586C3F93AAC48AAE99A5A62BA6D89657
+ <weak>3934324527</weak>
+ <size>908</size>
 <position>323</position>
 </container>
 </stream_hook_path>
@@ -503,14 +477,14 @@
 <file>
 <path>
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 <empty>0</empty>
- <string>../../../../boost/exception/info_tuple.hpp</string>
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 <title>
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 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception/exception.hpp</string>
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- <string>boost/exception/exception.hpp</string>
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 </container>
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- <string>../../../../boost/exception/detail/error_info_impl.hpp</string>
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- <string>error_info</string>
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@@ -3578,31 +3578,60 @@
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+ <string>[@template <class Tag,class T>
class
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 <shared_ptr>
- <id>-80</id>
+ <id>-10</id>
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- <string>:)<struct errinfo_file_name_,std::string> (:link </string>
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 {
 public:

(:include </string>
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+ <id>-17</id>
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</string>
+ <string> decl pre_indent="4":)

(:include </string>
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+ <weak_ptr>
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+ <shared_ptr>
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+ </shared_ptr>
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(:include </string>
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</string>
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- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@typedef </string>
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+ <shared_ptr>
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+ <string><struct errinfo_file_open_mode_,std::string> </string>
+ <variant>1</variant>
+ <weak_ptr>
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+ <shared_ptr>
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+ </shared_ptr>
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</string>
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+ <shared_ptr>
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+ </shared_ptr>
+ </weak_ptr>
+ <container>
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 <variant>2</variant>
- <string>:)
 {
 protected:

(:include </string>
+ <string>[@typedef (:link </string>
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 <weak_ptr>
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+ <id>-10</id>
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- <string> decl pre_indent="4":)
(:include </string>
+ <string>:)<struct errinfo_api_function_,char const *> (:link </string>
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+ <id>-18</id>
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 <variant>2</variant>
- <string> decl pre_indent="4":)
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+ <string>:);@]
</string>
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+ <size>0</size>
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</string>
+ <size>0</size>
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+ <size>5</size>
+ <variant>2</variant>
+ <string>[@typedef </string>
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+ </shared_ptr>
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+ <variant>2</variant>
+ <string>;@]
</string>
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@@ -3933,7 +3944,27 @@
 </shared_ptr>
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 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@typedef (:link </string>
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+ <weak_ptr>
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+ </shared_ptr>
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+ <variant>2</variant>
+ <string>:);@]
</string>
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@@ -3966,38 +3997,38 @@
 </shared_ptr>
 </weak_ptr>
 <container>
+ <size>0</size>
+ </container>
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+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
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+ </shared_ptr>
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+ <container>
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+ <string>[@typedef </string>
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+ <id>-10</id>
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+ <string><struct errinfo_errno_,int> </string>
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- <container>
- <size>0</size>
+ <string>;@]
</string>
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@@ -4129,7 +4160,36 @@
 </shared_ptr>
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 <container>
- <size>0</size>
+ <size>7</size>
+ <variant>2</variant>
+ <string>[@typedef (:link </string>
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+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
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+ <id>-79</id>
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+ </shared_ptr>
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+ <string>:);@]
</string>
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+ <size>0</size>
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+ <size>0</size>
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(:include </string>
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+ <string> decl pre_indent="4":)
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- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@typedef (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<struct errinfo_file_name_,std::string> (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-64</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:);@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4370,7 +4421,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-64</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4381,7 +4432,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-65</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4392,7 +4443,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-68</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4403,7 +4454,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-67</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4414,7 +4465,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4425,7 +4476,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4436,7 +4487,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4447,7 +4498,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-73</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4458,18 +4509,38 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@typedef (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<struct errinfo_at_line_,int> (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-74</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:);@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4480,7 +4551,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4491,7 +4562,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-77</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4502,7 +4573,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-75</id>
+ <id>-78</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4513,7 +4584,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4524,18 +4595,32 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-77</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>0</size>
 </container>
 </pair>
+ </sorted>
+ </object>
+ </shared_ptr>
+ </pair>
+ <pair>
+ <string>api</string>
+ <shared_ptr>
+ <id>82</id>
+ <type>
+ <string>reno_layer</string>
+ </type>
+ <object>
+ <sorted>
+ <size>76</size>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-78</id>
+ <id>-5</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4546,7 +4631,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-79</id>
+ <id>-6</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4557,70 +4642,65 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>9</size>
+ <size>11</size>
 <variant>2</variant>
- <string>[@template <class Tag,class T>
class
(:link </string>
+ <string>[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
 {
 public:

(:include </string>
+ <string> def:)

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-31</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl pre_indent="4":)

(:include </string>
+ <string> decl:)

typedef (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-47</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl pre_indent="4":)
(:include </string>
+ <string>:)<struct throw_function_,char const *> throw_function;
typedef (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-25</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl pre_indent="4":)
 };@]
</string>
+ <string>:)<struct throw_file_,char const *> throw_file;
typedef (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<struct throw_line_,int> throw_line;@]
</string>
 </container>
 </pair>
- </sorted>
- </object>
- </shared_ptr>
- </pair>
- <pair>
- <string>api</string>
- <shared_ptr>
- <id>82</id>
- <type>
- <string>reno_layer</string>
- </type>
- <object>
- <sorted>
- <size>76</size>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-5</id>
+ <id>-8</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4631,7 +4711,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-6</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4642,7 +4722,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4653,7 +4733,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-8</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4664,7 +4744,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4675,7 +4755,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-13</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4686,7 +4766,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-14</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-37</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4697,7 +4799,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-13</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4708,7 +4810,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-17</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4719,36 +4821,148 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>33</size>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-19</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
 <variant>2</variant>
- <string>[@#include <(:link </string>
+ <string>[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string> decl:)

namespace
boost
 {
(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-78</id>
+ <string> decl:)
 }@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-20</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-24</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-22</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-23</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-25</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-26</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-49</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-27</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-28</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>33</size>
+ <variant>2</variant>
+ <string>[@#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4757,7 +4971,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-20</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4766,7 +4980,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4775,7 +4989,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-56</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4784,7 +4998,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4793,7 +5007,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4802,7 +5016,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4811,7 +5025,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4820,7 +5034,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-14</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4829,7 +5043,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-77</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4838,7 +5052,25 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-58</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>
#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>
#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4847,7 +5079,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4856,7 +5088,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4865,7 +5097,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4876,29 +5108,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-16</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-18</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4909,7 +5119,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4918,7 +5128,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4929,7 +5139,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-19</id>
+ <id>-21</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4940,7 +5150,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-20</id>
+ <id>-30</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4951,7 +5161,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4962,74 +5172,18 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>13</size>
- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-59</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-44</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-29</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-48</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-62</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-30</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-22</id>
+ <id>-32</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5040,7 +5194,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-23</id>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5051,29 +5205,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-24</id>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-25</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-31</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-26</id>
+ <id>-35</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5084,7 +5238,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-36</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5095,7 +5249,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-28</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5106,18 +5260,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-38</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-73</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-39</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5128,18 +5293,47 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-31</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>7</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-51</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-36</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-53</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-32</id>
+ <id>-41</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5150,7 +5344,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-33</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5161,7 +5355,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5172,18 +5366,18 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-5</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> def:)@]
</string>
+ <string> decl:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5194,7 +5388,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-64</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5205,7 +5399,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5216,7 +5410,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5227,7 +5421,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5238,7 +5432,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-56</id>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5249,7 +5443,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-48</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-67</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-49</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5260,7 +5476,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-50</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5271,7 +5487,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-41</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5282,7 +5498,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-52</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5293,7 +5509,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-43</id>
+ <id>-53</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5304,7 +5520,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-44</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5315,71 +5531,40 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-24</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-56</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
+ <size>3</size>
 <variant>2</variant>
 <string>[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)

namespace
boost
 {
(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-11</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl:)
 }@]
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-47</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
+ <string> decl:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-48</id>
+ <id>-57</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5390,7 +5575,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-58</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5401,51 +5586,40 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl:)@]
</string>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-59</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-52</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
+ <size>13</size>
 <variant>2</variant>
 <string>[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5454,7 +5628,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-57</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5463,7 +5637,34 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-79</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-35</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-71</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5474,7 +5675,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-61</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5485,73 +5686,40 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-36</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-26</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-55</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-37</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-56</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5562,18 +5730,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-57</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-74</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5584,7 +5763,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-68</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5595,7 +5774,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-60</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5606,7 +5785,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5617,7 +5796,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5628,7 +5807,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5639,7 +5818,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-64</id>
+ <id>-73</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5650,7 +5829,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-65</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5661,7 +5840,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5672,18 +5851,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-67</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-18</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-77</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5694,7 +5884,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5705,51 +5895,134 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-78</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-79</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-80</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ </sorted>
+ </object>
+ </shared_ptr>
+ </pair>
+ <pair>
+ <string>decl</string>
+ <shared_ptr>
+ <id>83</id>
+ <type>
+ <string>reno_layer</string>
+ </type>
+ <object>
+ <sorted>
+ <size>76</size>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-5</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
 <variant>2</variant>
- <string>[@(:include </string>
+ <string>[@template <class E, class Tag1, class T1, ..., class TagN, class TN>
E const & (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
+ <id>-5</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl:)@]
</string>
+ <string> mod="/":)( E const & x,
 (:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:)<
 (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<Tag1,T1>,
 ...,
 (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<TagN,TN> > const & v );@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-6</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>7</size>
 <variant>2</variant>
- <string>[@(:include </string>
+ <string>[@(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-6</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl:)@]
</string>
+ <string> mod="m":)();
(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-6</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="m":)( (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) const & x );@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5760,7 +6033,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-8</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5771,40 +6044,51 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@template <class T>
---unspecified--- (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-9</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)( T const & e );@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@(:include </string>
+ <string>[@template <class Tag,class T>
class (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-60</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> def:)@]
</string>
+ <string>:);@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5815,7 +6099,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
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+ <id>-12</id>
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 </weak_ptr>
 <container>
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 <weak_ptr>
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 <shared_ptr>
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+ <id>-13</id>
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 <container>
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 <shared_ptr>
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+ <id>-14</id>
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 <container>
@@ -5848,65 +6132,71 @@
 <weak_ptr>
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 <shared_ptr>
- <id>-78</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>11</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@(:include </string>
+ <string>[@void (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> def:)

(:include </string>
+ <string>:)( (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl:)

typedef (:link </string>
+ <string>:) const & ep );</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
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+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-17</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@typedef T (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-17</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<struct throw_function_,char const *> throw_function;
typedef (:link </string>
- <variant>1</variant>
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- <shared_ptr>
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- </shared_ptr>
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- <string>:)<struct throw_file_,char const *> throw_file;
typedef (:link </string>
- <variant>1</variant>
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- <expired>0</expired>
- <shared_ptr>
- <id>-80</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)<struct throw_line_,int> throw_line;@]
</string>
+ <string> mod="m":);@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-79</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5917,32 +6207,18 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-19</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>0</size>
 </container>
 </pair>
- </sorted>
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- <type>
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- <object>
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- <size>76</size>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-5</id>
+ <id>-20</id>
 </shared_ptr>
 </weak_ptr>
 <container>
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 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-6</id>
+ <id>-24</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5964,7 +6240,7 @@
 <weak_ptr>
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 <shared_ptr>
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+ <id>-22</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5975,7 +6251,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
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+ <id>-23</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5986,7 +6262,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
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+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5997,38 +6273,18 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>[@#ifdef BOOST_NO_EXCEPTIONS
 void (:link </string>
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- <weak_ptr>
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- <shared_ptr>
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- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)( std::exception const & e ); // user defined
#else
 template <class E>
 void (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-11</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)( E const & e );
#endif@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6039,7 +6295,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
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+ <id>-28</id>
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@@ -6050,29 +6306,73 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-29</id>
+ </shared_ptr>
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+ <container>
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+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
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+ </shared_ptr>
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+ <container>
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+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
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+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
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+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-32</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@std::string (:link </string>
+ <string>[@(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-32</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();@]
</string>
+ <string> mod="m":)();@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
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 <shared_ptr>
- <id>-15</id>
+ <id>-33</id>
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@@ -6083,7 +6383,7 @@
 <weak_ptr>
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+ <id>-34</id>
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@@ -6094,40 +6394,69 @@
 <weak_ptr>
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 <shared_ptr>
- <id>-17</id>
+ <id>-35</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@class (:link </string>
+ <string>[@template <class T>
(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:);@]
</string>
+ <string>:) (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-35</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)( T const & e );@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-36</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@char const * </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-36</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>( boost::</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> const & e ) throw();@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-19</id>
+ <id>-37</id>
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 </weak_ptr>
 <container>
@@ -6138,7 +6467,7 @@
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+ <id>-38</id>
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@@ -6149,7 +6478,7 @@
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+ <id>-39</id>
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+ <id>-40</id>
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+ <id>-41</id>
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+ <id>-42</id>
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+ <id>-43</id>
 </shared_ptr>
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 <container>
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- <variant>2</variant>
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- <shared_ptr>
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- <string> mod="m":)() const;
(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-31</id>
- </shared_ptr>
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- <variant>2</variant>
- <string> mod="m":) & (:link </string>
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- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-25</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="m":)();@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
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 <shared_ptr>
- <id>-26</id>
+ <id>-44</id>
 </shared_ptr>
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@@ -6253,7 +6544,7 @@
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+ <id>-45</id>
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@@ -6264,104 +6555,122 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-28</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@(:link </string>
+ <string>[@class
(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-28</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="m":)();@]
</string>
+ <string>:):
 public std::exception
 public boost::</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>
 {
 ---unspecified---
 };@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@typedef ---unspecified--- (:link </string>
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- <weak_ptr>
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- <shared_ptr>
- <id>-29</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:);@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
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 <shared_ptr>
- <id>-30</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-49</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-50</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-51</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
 <variant>2</variant>
- <string>[@void (:link </string>
+ <string>[@template <class E>
std::string (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)( (:link </string>
+ <string>:)( E const & e );

std::string (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) const & ep );</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
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- <shared_ptr>
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- </shared_ptr>
- </weak_ptr>
- <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@typedef T (:link </string>
+ <string>:)( (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-31</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="m":);@]
</string>
+ <string>:) const & p );@]
</string>
 </container>
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 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-32</id>
+ <id>-52</id>
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@@ -6372,29 +6681,60 @@
 <weak_ptr>
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 <shared_ptr>
- <id>-33</id>
+ <id>-53</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@std::string (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-53</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)();@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@typedef (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<struct tag_original_exception_type,std::type_info const *> </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-54</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>;@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6405,7 +6745,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
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+ <id>-56</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6416,40 +6756,38 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-57</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@template <class T>
---unspecified--- (:link </string>
+ <string>[@(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-57</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)( T const & e );@]
</string>
- </container>
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- <pair>
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- <expired>0</expired>
- <shared_ptr>
- <id>-38</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
+ <string> mod="m":)( (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-17</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="m":) const & v );@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-58</id>
 </shared_ptr>
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 <shared_ptr>
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+ <id>-59</id>
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+ <id>-60</id>
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 <container>
@@ -6482,80 +6820,109 @@
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 <shared_ptr>
- <id>-42</id>
+ <id>-61</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
+ <size>9</size>
 <variant>2</variant>
- <string>[@template <class E, class Tag, class T>
E const & (:link </string>
+ <string>[@(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-17</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":)( E const & x, (:link </string>
+ <string> mod="m":) const & (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-61</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<Tag,T> const & v );@]
</string>
+ <string> mod="m":)() const;
(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-17</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="m":) & (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-61</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="m":)();@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
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 <shared_ptr>
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+ <id>-62</id>
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+ <size>3</size>
+ <variant>2</variant>
+ <string>[@class (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
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+ </shared_ptr>
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+ <string>:);@]
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 <weak_ptr>
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+ <id>-63</id>
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 <container>
 <size>5</size>
 <variant>2</variant>
- <string>[@typedef (:link </string>
+ <string>[@#ifdef BOOST_NO_EXCEPTIONS
 void (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<struct tag_original_exception_type,std::type_info const *> </string>
+ <string>:)( std::exception const & e ); // user defined
#else
 template <class E>
 void (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-44</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>;@]
</string>
+ <string>:)( E const & e );
#endif@]
</string>
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 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-64</id>
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@@ -6566,7 +6933,7 @@
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@@ -6577,124 +6944,40 @@
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+ <id>-66</id>
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- <id>-31</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="m":) const & v );@]
</string>
+ <size>0</size>
 </container>
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 <pair>
 <weak_ptr>
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 <shared_ptr>
- <id>-48</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
+ <size>3</size>
 <variant>2</variant>
- <string>[@template <class T>
(:link </string>
+ <string>[@template <class T>
---unspecified--- (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
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- <string>:) (:link </string>
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</string>
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- <expired>0</expired>
- <shared_ptr>
- <id>-53</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
+ <string>:)( T const & x );@]
</string>
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 <pair>
 <weak_ptr>
 <expired>0</expired>
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- <id>-54</id>
+ <id>-68</id>
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@@ -6705,7 +6988,7 @@
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+ <id>-69</id>
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+ <id>-71</id>
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 <container>
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 <variant>2</variant>
- <string>[@char const * </string>
+ <string>[@(:link </string>
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 <weak_ptr>
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 <shared_ptr>
- <id>-57</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
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- <string>( boost::</string>
+ <string>:) (:link </string>
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 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> const & e ) throw();@]
</string>
+ <string>:)();@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>[@template <class ErrorInfo,class E>
typename ErrorInfo::(:link error_info::value_type mod="m":) const * (:link get_error_info:)( E const & x );

template <class ErrorInfo,class E>
typename ErrorInfo::(:link error_info::value_type mod="m":) * (:link get_error_info:)( E & x );@]
</string>
 </container>
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 <pair>
 <weak_ptr>
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 <shared_ptr>
- <id>-59</id>
+ <id>-73</id>
 </shared_ptr>
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- <size>5</size>
- <variant>2</variant>
- <string>[@class
(:link </string>
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- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-59</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
 <variant>2</variant>
- <string>:):
 public std::exception
 public boost::</string>
+ <string>[@template <class E>
E * </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-73</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>
 {
 ---unspecified---
 };@]
</string>
+ <string>();@]
</string>
 </container>
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 <weak_ptr>
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- <id>-60</id>
+ <id>-74</id>
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@@ -6811,7 +7087,7 @@
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@@ -6822,7 +7098,7 @@
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- <id>-78</id>
+ <id>-7</id>
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@@ -6831,7 +7107,7 @@
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+ <id>-75</id>
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@@ -6840,7 +7116,7 @@
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+ <id>-63</id>
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@@ -6849,7 +7125,7 @@
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+ <id>-67</id>
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@@ -6858,7 +7134,7 @@
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+ <id>-7</id>
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@@ -6867,7 +7143,7 @@
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@@ -6876,7 +7152,7 @@
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@@ -6885,7 +7161,7 @@
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+ <id>-75</id>
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@@ -6894,7 +7170,7 @@
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@@ -6905,353 +7181,162 @@
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- <id>-62</id>
+ <id>-76</id>
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- <size>5</size>
- <variant>2</variant>
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- <shared_ptr>
- <id>-62</id>
- </shared_ptr>
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- <variant>2</variant>
- <string>:)();@]
</string>
+ <size>0</size>
 </container>
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- <id>-63</id>
+ <id>-77</id>
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- <size>1</size>
- <variant>2</variant>
- <string>[@template <class ErrorInfo,class E>
typename ErrorInfo::(:link error_info::value_type mod="m":) const * (:link get_error_info:)( E const & x );

template <class ErrorInfo,class E>
typename ErrorInfo::(:link error_info::value_type mod="m":) * (:link get_error_info:)( E & x );@]
</string>
+ <size>0</size>
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- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@typedef ---unspecified--- (:link </string>
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+ <weak_ptr>
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- <shared_ptr>
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- </shared_ptr>
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+ <size>5</size>
 <variant>2</variant>
- <string>:)( E const & e );

std::string (:link </string>
+ <string>[@template <class E, class Tag, class T>
E const & (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
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+ <id>-10</id>
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+ <string>:)<Tag,T> const & v );@]
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+ </sorted>
+ </object>
+ </shared_ptr>
+ </pair>
+ <pair>
+ <string>include</string>
+ <shared_ptr>
+ <id>84</id>
+ <type>
+ <string>reno_layer</string>
+ </type>
+ <object>
+ <sorted>
+ <size>76</size>
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+ <size>5</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must be boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:), or a type that derives (indirectly) from boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:).

!!!!Effects:

Equivalent to x << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<0>() << ... << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<N>().

!!!!Returns:

x.

(:include throws:)
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- </weak_ptr>
- <variant>2</variant>
- <string> mod="m":)();
(:link </string>
+ <string>(:auto !!!:)

(:include decl:)

!!!!Effects:

* Default constructor: initializes an empty boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-77</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="m":)( (:link </string>
+ <string>:) object.
* Copy constructor: initializes a boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
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- <string>:) const & x );@]
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- </weak_ptr>
- <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@template <class Tag,class T>
class (:link </string>
+ <string>:) object which shares ownership with x of all data added through (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -7260,514 +7345,392 @@
 </shared_ptr>
 </weak_ptr>
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- <string>:);@]
</string>
- </container>
- </pair>
- </sorted>
- </object>
- </shared_ptr>
- </pair>
- <pair>
- <string>include</string>
- <shared_ptr>
- <id>84</id>
- <type>
- <string>reno_layer</string>
- </type>
- <object>
- <sorted>
- <size>76</size>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-5</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>(:auto !!!:)

Exception types should use virtual inheritance when deriving from other exception types. This insight is due to Andrew Koenig. Using virtual inheritance prevents ambiguity problems in the exception handler:

[@#include <iostream>
struct my_exc1 : std::exception { char const* what() const throw(); };
struct my_exc2 : std::exception { char const* what() const throw(); };
struct your_exc3 : my_exc1, my_exc2 {};

int
main()
 {
 try { throw your_exc3(); }
 catch(std::exception const& e) {}
 catch(...) { std::cout << "whoops!" << std::endl; }
 }@]

The program above outputs "whoops!" because the conversion to std::exception is ambiguous.

The overhead introduced by virtual inheritance is always negligible in the context of exception handling. Note that virtual bases are initialized directly by the constructor of the most-derived-type (the type pass
ed to the throw statement, in case of exceptions.) However, typically this detail is of no concern when boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) is used, because it enables exception types to be trivial structs with no members (there's nothing to initialize.) See (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-6</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="w":).
</string>
+ <string> mod="/":), including data that is added at a future time.

!!!!Throws:

Nothing.
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-6</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
- <variant>2</variant>
- <string>(:auto !!!:)

Deriving from boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) effectively decouples the semantics of a failure from the information that is relevant to each individual instance of reporting a failure with a given semantic.

In other words: with boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:), what data a given exception object transports depends primarily on the context in which failures are reported (not on its type.) Since exception types need no members, it becomes very natural to throw exceptions that derive from more than one type to indicate multiple appropriate semantics:

[@struct exception_base: virtual std::exception, virtual boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
 <variant>2</variant>
- <string>:) { };
struct io_error: virtual exception_base { };
struct file_error: virtual io_error { };
struct read_error: virtual io_error { };
struct file_read_error: virtual file_error, virtual read_error { };@]

Using this approach, exception types become a simple tagging system for categorizing errors and selecting failures in exception handlers.
</string>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-8</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>79</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Why doesn't boost::exception derive from std::exception?

Despite that (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-5</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>|virtual inheritance should be used in deriving from base exception types:), many programmers fail to follow this principle when deriving from std::exception. If boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) derives from std::exception, using the (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-74</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) function with such user-defined types would introduce dangerous ambiguity which would break all catch(std::exception &) statements.

Of course, boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) should not be used to replace std::exception as a base type in exception type hierarchies. Instead, it should be included as a virtual base, in addition to std::exception (which should also be derived virtually.)

!!!Why is boost::exception abstract?

To prevent exception-neutral contexts from erroneously erasing the type of the original exception when adding (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-80</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) to an active exception object:

[@catch( boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) & e )
 {
 e (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-42</id>
- </shared_ptr>
- </weak_ptr>
+ <size>37</size>
 <variant>2</variant>
- <string>|<<:) foo_info(foo);
 throw e; //Compile error: boost::(:link </string>
+ <string>(:auto !!!:)

When you catch an exception, you can call (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) is abstract
 }@]

The correct code is:

[@catch( boost::(:link </string>
+ <string>:) to get an (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & e )
 {
 e (:link </string>
+ <string>:) object:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) foo_info(foo);
 throw; //Okay, re-throwing the original exception object.
 }@]

!!!What is the space overhead of the boost::exception base class?

The space overhead for the boost::exception data members is negligible in the context of exception handling. Throwing objects that derive from boost::(:link </string>
+ <string>:)>
#include <boost/thread.hpp>
#include <boost/bind.hpp>

void do_work(); //throws cloning-enabled boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) does not by itself cause dynamic memory allocations.

Deriving from boost::(:link </string>
+ <string>:)s

void
worker_thread( boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) enables any data to be added to exceptions, which usually does allocate memory. However, this memory is reclaimed when the exception has been handled, and since typically user code does not allocate memory during the unrolling of the stack, adding error info to exceptions should not cause memory fragmentation.

!!!Should I use boost::throw_exception or BOOST_THROW_EXCEPTION or just throw?

The benefit of calling boost::(:link </string>
+ <string>:) & error )
 {
 try
 {
 do_work();
 error = boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) instead of using throw directly is that it ensures that the emitted exception derives from boost::(:link </string>
+ <string>:)();
 }
 catch(
 ... )
 {
 error = boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and that it is compatible with boost::(:link </string>
+ <string>:)();
 }
 }@]

In the above example, note that (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

The (:link </string>
+ <string>:) captures the original type of the exception object. The exception can be thrown again using the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) macro also results in a call to boost::(:link </string>
+ <string>:) function:

[@// ...continued

void
work()
 {
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), but in addition it records in the exception object the __FILE__ and __LINE__ of the throw, as well as the pretty name of the function that throws. This has virtually no overhead, yet enables boost::(:link </string>
+ <string>:) error;
 boost::(:link http://www.boost.org/doc/html/boost/thread.html|thread:) t( boost::(:link http://www.boost.org/libs/bind/bind.html|bind:)(worker_thread,boost::(:link http://www.boost.org/doc/html/ref.html|ref:)(error)) );
 t.(:link http://www.boost.org/doc/html/boost/thread.html|join:)();
 if( error )
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) to compose a more useful, if not user-friendly message.

Typical use of boost::(:link </string>
+ <string>:)(error);
 }@]

Note that (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) is:

[@catch( boost::exception & e )
 {
 std::cerr << "OMG!" << boost::diagnostic_information(e);
 }
catch( ... )
 {
 std::cerr << "OMG!!!";
 }@]

This is a possible message it may display, the first line is only possible if (:link </string>
+ <string>:) could fail to copy the original exception object in the following cases:

* if there is not enough memory, in which case the returned (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) is used:

[@example_io.cpp(70): Throw in function class boost::shared_ptr<struct _iobuf> __cdecl my_fopen(const char *,const char *)
Dynamic exception type: class boost::exception_detail::clone_impl<class fopen_error>
std::exception::what: example_io error
[struct boost::(:link </string>
+ <string>:) points to an instance of std::bad_alloc, or
* if (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = fopen
[struct boost::(:link </string>
+ <string>:) was not used in the throw-expression passed to the original throw statement and the current implementation does not have the necessary compiler-specific support to copy the exception automatically, in which case the returned (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = 2, "No such file or directory"
[struct boost::(:link </string>
+ <string>:) points to an instance of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = tmp1.txt
[struct boost::(:link </string>
+ <string>:).

Regardless, the use of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = rb@]
!!!Why is boost::exception integrated in boost::throw_exception?

The boost::(:link </string>
+ <string>:) and (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function predates the Boost Exception library and there has been some concern about its current behavior of injecting boost::(:link </string>
+ <string>:) in the above examples is well-formed.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-9</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>21</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

* T must be a class with an accessible no-throw copy constructor.
* If T has any virtual base types, those types must have an accessible default constructor.

!!!!Returns:

An object of ''unspecified'' type which derives publicly from T. That is, the returned object can be intercepted by a catch(T &).

!!!!Description:



This function is designed to be used directly in a throw-expression to enable the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) as a base of any exception passed to boost::(:link </string>
+ <string>:) support in Boost Exception. For example:

[@class
my_exception:
 public std::exception
 {
 };

....
throw boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). Such concerns are dictated by the typical strict interpretation of a common principle in C and C++, that users only pay for features they actually use.

The problem is that users of Boost Exception can't by themselves cause a library to throw types that derive from boost::(:link </string>
+ <string>:)(my_exception());@]

Unless (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), and without this they can't use any of the Boost Exception facilities.

For example, if a user wants to use Boost Serialization in a separate thread, it is desirable to be able to transport exceptions emitted by that library into the main thread where they can be analyzed to generate a user-friendly message. This can be easily achieved using boost::(:link </string>
+ <string>:) is called at the time an exception object is used in a throw-expression, an attempt to copy it using (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), but this requires that Boost Serialization throws exceptions using boost::(:link </string>
+ <string>:) may return an (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). If Boost Serialization calls boost::(:link </string>
+ <string>:) which refers to an instance of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) to throw, this behavior happens automatically and transparently.

The cost of this integration is:

* In terms of space: a pointer and 3 ints are added to the static size of exception objects.
* In terms of speed: the pointer is initialized to null at the point of the throw.
* In terms of coupling: about 400 self-contained lines of C++ with no external includes.

!!!Why use operator<< overload for adding info to exceptions?

Before throwing an object of type that derives from boost::(:link </string>
+ <string>:). See (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), it is often desirable to add one or more (:link </string>
+ <string>:) for details.

!!!!Note:

Instead of using the throw keyword directly, it is preferable to call boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) objects in it. The syntactic sugar provided by (:link </string>
+ <string>:). This is guaranteed to throw an exception that derives from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) allows this to be done directly in a throw expression:

[@throw error() (:link </string>
+ <string>:) and supports the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) foo_info(foo) (:link </string>
+ <string>:) functionality.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>41</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

T must have accessible copy constructor and must not be a reference (there is no requirement that T's copy constructor does not throw.)

!!!!Description:

This class template is used to associate a Tag type with a value type T. Objects of type (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) bar_info(bar);@]

which saves typing compared to this possible alternative:

[@error e;
e.add(foo_info(foo));
e.add(bar_info(bar));
throw e;@]

and looks better than something like:

[@throw error().add(foo_info(foo)).add(bar_info(bar));@]

!!!Why is operator<< allowed to throw?

This question is referring to the following issue. Consider this throw statement example:

[@throw file_open_error() (:link </string>
+ <string>:)<Tag,T> can be passed to (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) file_name(fn);@]

The intention here is to throw a file_open_error, however if (:link </string>
+ <string> mod="/":) to be stored in objects of type boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":) fails to copy the std::string contained in the file_name (:link </string>
+ <string>:).

!!!!Usage:

The header <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) wrapper, a std::bad_alloc could propagate instead. This behavior seems undesirable to some programmers.

Bjarne Stroustrup, The C++ Programming Language, 3rd Edition, page 371:

->''"Throwing an exception requires an object to throw. A C++ implementation is required to have enough spare memory to be able to throw bad_alloc in case of memory exhaustion. However, it is possible that throwing some other exception will cause memory exhaustion."''

So, an attempt to throw any exception may already result in propagating std::bad_alloc instead.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-8</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>33</size>
- <variant>2</variant>
- <string>(:auto !!!:)

Traditionally, when using exceptions to report failures, the throw site:

*creates an exception object of the appropriate type, and
*stuffs it with data relevant to the detected error.

A higher context in the program contains a catch statement which:

*selects failures based on exception types, and
*inspects exception objects for data required to deal with the problem.

The main issue with this "traditional" approach is that often, the data available at the point of the throw is insufficient for the catch site to handle the failure.

Here is an example of a catch statement:

[@catch( file_read_error & e )
 {
 std::cerr << e.file_name();
 }@]

And here is a possible matching throw:

[@void
read_file( FILE * f )
 {
 ....
 size_t nr=fread(buf,1,count,f);
 if( ferror(f) )
 throw file_read_error(???);
 ....&#
10; }@]

Clearly, the problem is that the handler requires a file name but the read_file function does not have a file name to put in the exception object; all it has is a FILE pointer!

In an attempt to deal with this problem, we could modify read_file to accept a file name:

[@void
read_file( FILE * f, char const * name )
 {
 ....
 size_t nr=fread(buf,1,count,f);
 if( ferror(f) )
 throw file_read_error(name);
 ....
 }@]

This is not a real solution: it simply shifts the burden of supplying a file name to the immediate caller of the read_file function.

->''In general, the data required to handle a given library-emitted exception depends on the program that links to it. Many contexts between the throw and the catch may have relevant information which must be transported to the exception handler.''

!!!Exception wrapping

The idea of exception wrapping is to catch an exce
ption from a lower level function (such as the read_file function above), and throw a new exception object that contains the original exception (and also carries a file name.) This method seems to be particularly popular with C++ programmers with Java background.

Exception wrapping leads to the following problems:

*To wrap an exception object it must be copied, which may result in slicing.
*Wrapping is practically impossible to use in generic contexts.

The second point is actually special case of violating the exception neutrality principle. Most contexts in a program can not handle exceptions; such contexts should not interfere with the process of exception handling.

!!!The boost::exception solution

*Simply derive your exception types from boost::(:link </string>
+ <string>:)> provides a declaration of the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).
*Confidently limit the throw site to provide only data that is available naturally.
*Use exception-neutral contexts between the throw and the catch to augment exceptions with more relevant data as they bubble up.

For example, in the throw statement below we only add the errno code, since this is the only failure-relevant information available in this context:

[@struct exception_base: virtual std::exception, virtual boost::(:link </string>
+ <string>:) template, which is sufficient for the purpose of typedefing an instance for specific Tag and T, for example:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) { };
struct io_error: virtual exception_base { };
struct file_read_error: virtual io_error { };

typedef boost::(:link </string>
+ <string>:)>

struct tag_errno;
typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<struct tag_errno_code,int> errno_code;

void
read_file( FILE * f )
 {
 ....
 size_t nr=fread(buf,1,count,f);
 if( ferror(f) )
 throw file_read_error() (:link </string>
+ <string>:)<tag_errno,int> errno_info;@]

Or, the shorter equivalent:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) errno_code(errno);
 ....
 }@]

In a higher exception-neutral context, we add the file name to ''any'' exception that derives from boost::(:link </string>
+ <string>:)>

typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:):

[@typedef boost::(:link </string>
+ <string>:)<struct tag_errno,int> errno_info;@]

This errno_info typedef can be passed to (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -7776,104 +7739,117 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<struct tag_file_name,std::string> file_name;

....
try
 {
 if( FILE * fp=fopen("foo.txt","rt") )
 {
 shared_ptr<FILE> f(fp,fclose);
 ....
 read_file(fp); //throws types deriving from boost::(:link </string>
+ <string> mod="/":) (#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
 do_something();
 ....
 }
 else
 throw file_open_error() (:link </string>
+ <string>:)> first) to store an int named tag_errno in exceptions of types that derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) errno_code(errno);
 }
catch( boost::(:link </string>
+ <string>:):

[@throw file_read_error() (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & e )
 {
 e (:link </string>
+ <string>|<<:) errno_info(errno);@]

It can also be passed to (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) file_name("foo.txt");
 throw;
 }@]

Finally here is how the handler retrieves data from exceptions that derive from boost::(:link </string>
+ <string>:) (#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-56</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:):

[@catch( io_error & e )
 {
 std::cerr << "I/O Error!\n";

 if( std::string const * fn=(:link </string>
+ <string>:)> first) to retrieve the tag_errno int from a boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<file_name>(e) )
 std::cerr << "File name: " << *fn << "\n";

 if( int const * c=(:link </string>
+ <string>:):

[@catch( boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<errno_code>(e) )
 std::cerr << "OS says: " << strerror(*c) << "\n";
 }@]

In addition, boost::(:link </string>
+ <string>:) & x )
 {
 if( int const * e=boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) can be used to compose an automatic (if not user-friendly) message that contains all of the (:link </string>
+ <string>:)<errno_info>(x) )
 ....
 }@]

For convenience and uniformity, Boost Exception defines the following commonly used (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) objects added to a boost::(:link </string>
+ <string>:) typedefs, ready for use with (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). This is useful for inclusion in logs and other diagnostic objects.
</string>
+ <string> mod="/":):

(:pagelist tags="error_info_instance":)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-11</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !:)

This is an alphabetical list of all Boost Exception documentation pages.

(:pagelist fmt="index" except_tags="index noindex" mod="w":)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -7884,16 +7860,16 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) instance for transporting a relevant file name in exceptions deriving from boost::(:link </string>
+ <string>:) instance for transporting the string passed as a second argument to fopen in exceptions indicating fopen failures and deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -7902,7 +7878,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -7913,206 +7889,232 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-13</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>17</size>
+ <size>1</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must derive publicly from std::exception.

!!!!Effects:

* If BOOST_NO_EXCEPTIONS is not defined, boost::(:link </string>
+ <string>(:auto !!:)

(:pagelist fmt="index" tags="type":)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-14</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-15</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Precondition:

ep shall not be null.

!!!!Throws:



The exception to which ep refers.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-16</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>69</size>
+ <variant>2</variant>
+ <string>!!Introduction

The purpose of Boost Exception is to ease the design of exception class hierarchies and to help write exception handling and error reporting code.

It supports transporting of arbitrary data to the catch site, which is otherwise tricky due to the no-throw requirements (15.5.1) for exception types. Data can be added to any exception object, either directly in the throw-expression (15.1), or at a later time as the exception object propagates up the call stack.

The ability to add data to exception objects after they have been passed to throw is important, because often some of the information needed to handle an exception is unavailable in the context where the failure is detected. 

Boost Exception also supports (:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:)-style (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(e) is equivalent to throw boost::(:link </string>
+ <string>|copying:) of exception objects, implemented non-intrusively and automatically by the boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(boost::(:link </string>
+ <string>:) function.

!!Contents

#(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-20</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(e)), unless BOOST_EXCEPTION_DISABLE is defined, in which case boost::(:link </string>
+ <string>:)
#Tutorial
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(e) is equivalent to throw e;
* If BOOST_NO_EXCEPTIONS is defined, the function is left undefined, and the user is expected to supply an appropriate definition. Callers of (:link </string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-22</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) are allowed to assume that the function never returns; therefore, if the user-defined (:link </string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) returns, the behavior is undefined.

!!!!Note:

Under BOOST_NO_EXCEPTIONS, unless BOOST_EXCEPTION_DISABLE is also defined, users can examine the passed exception object using boost::</string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-21</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>, or format an automatic diagnostic message using boost::</string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-24</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>.</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-12</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>77</size>
- <variant>2</variant>
- <string>!!Synopsis

List of documented definitions, declarations and includes by header file:

`#include <(:link </string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-78</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string> mod="w":)
#Documentation
##Class (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-78</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
##Throwing Exceptions
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
##Transporting of Arbitrary Data to the Catch Site
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-5</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)
##(:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:) Transporting of Exceptions between Threads
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -8121,308 +8123,347 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)
##Diagnostic Information
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-55</id>
+ <id>-53</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-55</id>
+ <id>-73</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
#API
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-59</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-78</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-13</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-52</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <(:link </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-68</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <(:link </string>
+ <string> mod="w":)
#(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-23</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string> mod="w":)
#(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <(:link </string>
+ <string> mod="w":)

!!!Acknowledgements

Thanks to Peter Dimov for his continuing help. Also thanks to Tobias Schwinger, Tom Brinkman, Pavel Vozenilek and everyone who participated in the review process.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-17</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Definition:

The expression </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string><Tag,T>::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-17</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <(:link </string>
+ <string> mod="m":) evaluates to T.</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-18</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string>:) instance for transporting the name of a relevant API function (which does not use exceptions to report errors) in exceptions deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <(:link </string>
+ <string>:).

!!!Example:

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string>:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-19</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-20</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>33</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

Traditionally, when using exceptions to report failures, the throw site:

*creates an exception object of the appropriate type, and
*stuffs it with data relevant to the detected error.

A higher context in the program contains a catch statement which:

*selects failures based on exception types, and
*inspects exception objects for data required to deal with the problem.

The main issue with this "traditional" approach is that often, the data available at the point of the throw is insufficient for the catch site to handle the failure.

Here is an example of a catch statement:

[@catch( file_read_error & e )
 {
 std::cerr << e.file_name();
 }@]

And here is a possible matching throw:

[@void
read_file( FILE * f )
 {
 ....
 size_t nr=fread(buf,1,count,f);
 if( ferror(f) )
 throw file_read_error(???);
 ....&#
10; }@]

Clearly, the problem is that the handler requires a file name but the read_file function does not have a file name to put in the exception object; all it has is a FILE pointer!

In an attempt to deal with this problem, we could modify read_file to accept a file name:

[@void
read_file( FILE * f, char const * name )
 {
 ....
 size_t nr=fread(buf,1,count,f);
 if( ferror(f) )
 throw file_read_error(name);
 ....
 }@]

This is not a real solution: it simply shifts the burden of supplying a file name to the immediate caller of the read_file function.

->''In general, the data required to handle a given library-emitted exception depends on the program that links to it. Many contexts between the throw and the catch may have relevant information which must be transported to the exception handler.''

!!!Exception wrapping

The idea of exception wrapping is to catch an exce
ption from a lower level function (such as the read_file function above), and throw a new exception object that contains the original exception (and also carries a file name.) This method seems to be particularly popular with C++ programmers with Java background.

Exception wrapping leads to the following problems:

*To wrap an exception object it must be copied, which may result in slicing.
*Wrapping is practically impossible to use in generic contexts.

The second point is actually special case of violating the exception neutrality principle. Most contexts in a program can not handle exceptions; such contexts should not interfere with the process of exception handling.

!!!The boost::exception solution

*Simply derive your exception types from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <</string>
+ <string>:).
*Confidently limit the throw site to provide only data that is available naturally.
*Use exception-neutral contexts between the throw and the catch to augment exceptions with more relevant data as they bubble up.

For example, in the throw statement below we only add the errno code, since this is the only failure-relevant information available in this context:

[@struct exception_base: virtual std::exception, virtual boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

(:include </string>
+ <string>:) { };
struct io_error: virtual exception_base { };
struct file_read_error: virtual io_error { };

typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <(:link </string>
+ <string>:)<struct tag_errno_code,int> errno_code;

void
read_file( FILE * f )
 {
 ....
 size_t nr=fread(buf,1,count,f);
 if( ferror(f) )
 throw file_read_error() (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string>|<<:) errno_code(errno);
 ....
 }@]

In a higher exception-neutral context, we add the file name to ''any'' exception that derives from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <(:link </string>
+ <string>:):

[@typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string>:)<struct tag_file_name,std::string> file_name;

....
try
 {
 if( FILE * fp=fopen("foo.txt","rt") )
 {
 shared_ptr<FILE> f(fp,fclose);
 ....
 read_file(fp); //throws types deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-13</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>19</size>
- <variant>2</variant>
- <string>(:auto !!!:)

The code snippet below demonstrates how boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:) can be used to bundle the name of the function that failed, together with the reported errno so that they can be added to exception objects more conveniently together:

[@#include <(:link </string>
+ <string>:)
 do_something();
 ....
 }
 else
 throw file_open_error() (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>|<<:) errno_code(errno);
 }
catch( boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>:) & e )
 {
 e (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>|<<:) file_name("foo.txt");
 throw;
 }@]

Finally here is how the handler retrieves data from exceptions that derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <string>
#include <errno.h>

typedef boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:)<boost::(:link </string>
+ <string>:):

[@catch( io_error & e )
 {
 std::cerr << "I/O Error!\n";

 if( std::string const * fn=(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:),boost::(:link </string>
+ <string>:)<file_name>(e) )
 std::cerr << "File name: " << *fn << "\n";

 if( int const * c=(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)> clib_failure;

struct file_open_error: virtual boost::(:link </string>
+ <string>:)<errno_code>(e) )
 std::cerr << "OS says: " << strerror(*c) << "\n";
 }@]

In addition, boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) { };

boost::shared_ptr<FILE>
file_open( char const * name, char const * mode )
 {
 if( FILE * f=fopen(name,mode) )
 return boost::shared_ptr<FILE>(f,fclose);
 else
 throw file_open_error() <<
 boost::(:link </string>
+ <string>:) can be used to compose an automatic (if not user-friendly) message that contains all of the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -8431,194 +8472,150 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(name) <<
 clib_failure("fopen",errno);
 }@]

Note that the members of a boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:) are stored separately in exception objects; they can only be retrieved individually, using (:link </string>
+ <string>:) objects added to a boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).
</string>
+ <string>:). This is useful for inclusion in logs and other diagnostic objects.
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-24</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>9</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

This function must not be called outside of a catch block.

!!!!Returns:

If the current exception object can be converted to boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) or std::exception, this function returns the same string value returned by (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-66</id>
- </shared_ptr>
- </weak_ptr>
+ <size>5</size>
 <variant>2</variant>
- <string>:) for the current exception object. Otherwise, an unspecified non-empty string is returned.

Typical use is to call </string>
+ <string>(:auto !!!:)

Exception types should use virtual inheritance when deriving from other exception types. This insight is due to Andrew Koenig. Using virtual inheritance prevents ambiguity problems in the exception handler:

[@#include <iostream>
struct my_exc1 : std::exception { char const* what() const throw(); };
struct my_exc2 : std::exception { char const* what() const throw(); };
struct your_exc3 : my_exc1, my_exc2 {};

int
main()
 {
 try { throw your_exc3(); }
 catch(std::exception const& e) {}
 catch(...) { std::cout << "whoops!" << std::endl; }
 }@]

The program above outputs "whoops!" because the conversion to std::exception is ambiguous.

The overhead introduced by virtual inheritance is always negligible in the context of exception handling. Note that virtual bases are initialized directly by the constructor of the most-derived-type (the type pass
ed to the throw statement, in case of exceptions.) However, typically this detail is of no concern when boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> from a top-level function to output diagnostic information about unhandled exceptions:

[@int
main()
 {
 try
 {
 run_program();
 }
 catch(
 error & e )
 {
 //handle error
 }
 catch(
 ...)
 {
 std::cerr << "Unhandled exception!" << std::endl <<
 boost::</string>
+ <string>:) is used, because it enables exception types to be trivial structs with no members (there's nothing to initialize.) See (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-21</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>();
 }
 }@]
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-15</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ <string> mod="w":).
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-16</id>
+ <id>-22</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>17</size>
+ <size>27</size>
 <variant>2</variant>
- <string>(:auto !!!:)

The following example demonstrates how errno can be stored in exception objects using Boost Exception:

[@#include <(:link </string>
+ <string>(:auto !!:)

Some exception hierarchies can not be modified to make boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <iostream>

typedef boost::(:link </string>
+ <string>:) a base type. In this case, the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<struct tag_my_info,int> my_info; //(1)

struct my_error: virtual boost::(:link </string>
+ <string>:) function template can be used to make exception objects derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), virtual std::exception { }; //(2)

void
f()
 {
 throw my_error() << my_info(42); //(3)
 }@]

First, we instantiate the (:link </string>
+ <string>:) anyway. Here is an example:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) template using a unique identifier -- tag_my_info, and the type of the info it identifies -- int. This provides compile-time type safety for the various values stored in exception objects.

Second, we define class my_error, which derives from boost::(:link </string>
+ <string>:)>
#include <stdexcept>

typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

Finally, (3) illustrates how the typedef from (1) can be used with (:link </string>
+ <string>:)<struct tag_std_range_min,size_t> std_range_min;
typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|operator<<:) to store values in exception objects at the point of the throw.

The stored my_info value can be recovered at a later time like this:

[@// ...continued

void
g()
 {
 try
 {
 f();
 }
 catch(
 my_error & x )
 {
 if( int const * mi=boost::(:link </string>
+ <string>:)<struct tag_std_range_max,size_t> std_range_max;
typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<my_info>(x) )
 std::cerr << "My info: " << *mi;
 }
 }@]

The (:link </string>
+ <string>:)<struct tag_std_range_index,size_t> std_range_index;

template <class T>
class
my_container
 {
 public:

 size_t size() const;

 T const &
 operator[]( size_t i ) const
 {
 if( i > size() )
 throw boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function template is instantiated with the typedef from (1), and is passed an exception object of a polymorphic type. If the exception object contains the requested value, err will point to it; otherwise a null pointer is returned.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>13</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

Class boost::(:link </string>
+ <string>:)(std::range_error("Index out of range")) <<
 std_range_min(0) <<
 std_range_max(size()) <<
 std_range_index(i);
 //....
 }
 };
@]

The call to (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) is designed to be used as a universal base for user-defined exception types.

An object of any type deriving from boost::(:link </string>
+ <string>:)<T> gets us an object of ''unspecified type'' which is guaranteed to derive from both boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) can store data of arbitrary types, using the (:link </string>
+ <string>:) and T. This makes it possible to use (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -8627,297 +8624,254 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) wrapper and (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-42</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="/":).

To retrieve data from a boost::(:link </string>
+ <string> mod="/":) to store additional information in the exception object. The exception can be intercepted as T &, so existing exception handling will not break. It can also be intercepted as boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object, use the (:link </string>
+ <string>:) &, so that (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function template.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-18</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ <string>|more information can be added to the exception at a later time:).
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-19</id>
+ <id>-23</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>15</size>
+ <size>79</size>
 <variant>2</variant>
- <string>(:auto !!!:)

Here is how cloning can be enabled in a throw-expression (15.1):

[@#include <(:link </string>
+ <string>(:auto !!:)

!!!Why doesn't boost::exception derive from std::exception?

Despite that (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-24</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>|virtual inheritance should be used in deriving from base exception types:), many programmers fail to follow this principle when deriving from std::exception. If boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <stdio.h>
#include <errno.h>

struct file_read_error: virtual boost::(:link </string>
+ <string>:) derives from std::exception, using the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) { };

void
file_read( FILE * f, void * buffer, size_t size )
 {
 if( size!=fread(buffer,1,size,f) )
 throw boost::(:link </string>
+ <string>:) function with such user-defined types would introduce dangerous ambiguity which would break all catch(std::exception &) statements.

Of course, boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(file_read_error()) <<
 boost::(:link </string>
+ <string>:) should not be used to replace std::exception as a base type in exception type hierarchies. Instead, it should be included as a virtual base, in addition to std::exception (which should also be derived virtually.)

!!!Why is boost::exception abstract?

To prevent exception-neutral contexts from erroneously erasing the type of the original exception when adding (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(errno);
 }@]

Of course, (:link </string>
+ <string>:) to an active exception object:

[@catch( boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) may be used with any exception type; there is no requirement that it should derive from boost::(:link </string>
+ <string>:) & e )
 {
 e (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-20</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-21</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>|<<:) foo_info(foo);
 throw e; //Compile error: boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-22</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>69</size>
+ <string>:) is abstract
 }@]

The correct code is:

[@catch( boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>!!Introduction

The purpose of Boost Exception is to ease the design of exception class hierarchies and to help write exception handling and error reporting code.

It supports transporting of arbitrary data to the catch site, which is otherwise tricky due to the no-throw requirements (15.5.1) for exception types. Data can be added to any exception object, either directly in the throw-expression (15.1), or at a later time as the exception object propagates up the call stack.

The ability to add data to exception objects after they have been passed to throw is important, because often some of the information needed to handle an exception is unavailable in the context where the failure is detected. 

Boost Exception also supports (:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:)-style (:link </string>
+ <string>:) & e )
 {
 e (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|copying:) of exception objects, implemented non-intrusively and automatically by the boost::(:link </string>
+ <string>|<<:) foo_info(foo);
 throw; //Okay, re-throwing the original exception object.
 }@]

!!!What is the space overhead of the boost::exception base class?

The space overhead for the boost::exception data members is negligible in the context of exception handling. Throwing objects that derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function.

!!Contents

#(:link </string>
+ <string>:) does not by itself cause dynamic memory allocations.

Deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-8</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
#Tutorial
##(:link </string>
+ <string>:) enables any data to be added to exceptions, which usually does allocate memory. However, this memory is reclaimed when the exception has been handled, and since typically user code does not allocate memory during the unrolling of the stack, adding error info to exceptions should not cause memory fragmentation.

!!!Should I use boost::throw_exception or BOOST_THROW_EXCEPTION or just throw?

The benefit of calling boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string>:) instead of using throw directly is that it ensures that the emitted exception derives from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string>:) and that it is compatible with boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string>:).

The (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-6</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string>:) macro also results in a call to boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-5</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string>:), but in addition it records in the exception object the __FILE__ and __LINE__ of the throw, as well as the pretty name of the function that throws. This has virtually no overhead, yet enables boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-32</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
#Documentation
##Class (:link </string>
+ <string>:) to compose a more useful, if not user-friendly message.

Typical use of boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##Throwing Exceptions
###(:link </string>
+ <string>:) is:

[@catch( boost::exception & e )
 {
 std::cerr << "OMG!" << boost::diagnostic_information(e);
 }
catch( ... )
 {
 std::cerr << "OMG!!!";
 }@]

This is a possible message it may display, the first line is only possible if (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:) is used:

[@example_io.cpp(70): Throw in function class boost::shared_ptr<struct _iobuf> __cdecl my_fopen(const char *,const char *)
Dynamic exception type: class boost::exception_detail::clone_impl<class fopen_error>
std::exception::what: example_io error
[struct boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##Transporting of Arbitrary Data to the Catch Site
###(:link </string>
+ <string>:)_ *] = fopen
[struct boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:)_ *] = 2, "No such file or directory"
[struct boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:)_ *] = tmp1.txt
[struct boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:)_ *] = rb@]
!!!Why is boost::exception integrated in boost::throw_exception?

The boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -8926,253 +8880,227 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:) function predates the Boost Exception library and there has been some concern about its current behavior of injecting boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:) Transporting of Exceptions between Threads
###(:link </string>
+ <string>:) as a base of any exception passed to boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:). Such concerns are dictated by the typical strict interpretation of a common principle in C and C++, that users only pay for features they actually use.

The problem is that users of Boost Exception can't by themselves cause a library to throw types that derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:), and without this they can't use any of the Boost Exception facilities.

For example, if a user wants to use Boost Serialization in a separate thread, it is desirable to be able to transport exceptions emitted by that library into the main thread where they can be analyzed to generate a user-friendly message. This can be easily achieved using boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:), but this requires that Boost Serialization throws exceptions using boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-48</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:). If Boost Serialization calls boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:) to throw, this behavior happens automatically and transparently.

The cost of this integration is:

* In terms of space: a pointer and 3 ints are added to the static size of exception objects.
* In terms of speed: the pointer is initialized to null at the point of the throw.
* In terms of coupling: about 400 self-contained lines of C++ with no external includes.

!!!Why use operator<< overload for adding info to exceptions?

Before throwing an object of type that derives from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##Diagnostic Information
###(:link </string>
+ <string>:), it is often desirable to add one or more (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:) objects in it. The syntactic sugar provided by (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link </string>
+ <string>:) allows this to be done directly in a throw expression:

[@throw error() (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-64</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
#API
##(:link </string>
+ <string>|<<:) foo_info(foo) (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link </string>
+ <string>|<<:) bar_info(bar);@]

which saves typing compared to this possible alternative:

[@error e;
e.add(foo_info(foo));
e.add(bar_info(bar));
throw e;@]

and looks better than something like:

[@throw error().add(foo_info(foo)).add(bar_info(bar));@]

!!!Why is operator<< allowed to throw?

This question is referring to the following issue. Consider this throw statement example:

[@throw file_open_error() (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-41</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link </string>
+ <string>|<<:) file_name(fn);@]

The intention here is to throw a file_open_error, however if (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-67</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link </string>
+ <string> mod="/":) fails to copy the std::string contained in the file_name (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-43</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link </string>
+ <string>:) wrapper, a std::bad_alloc could propagate instead. This behavior seems undesirable to some programmers.

Bjarne Stroustrup, The C++ Programming Language, 3rd Edition, page 371:

->''"Throwing an exception requires an object to throw. A C++ implementation is required to have enough spare memory to be able to throw bad_alloc in case of memory exhaustion. However, it is possible that throwing some other exception will cause memory exhaustion."''

So, an attempt to throw any exception may already result in propagating std::bad_alloc instead.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-25</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>19</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

The code snippet below demonstrates how boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:) can be used to bundle the name of the function that failed, together with the reported errno so that they can be added to exception objects more conveniently together:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-75</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-58</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
#(:link </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
#(:link </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-23</id>
+ <id>-14</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)

!!!Acknowledgements

Thanks to Peter Dimov for his continuing help. Also thanks to Tobias Schwinger, Tom Brinkman, Pavel Vozenilek and everyone who participated in the review process.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-23</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !:)

This is an alphabetical list of all Boost Exception documentation pages.

(:pagelist fmt="index" except_tags="index noindex" mod="w":)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-24</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>7</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
+ <string>:)>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <string>
#include <errno.h>

typedef boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:)<boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) instance for transporting (in exceptions deriving from boost::(:link </string>
+ <string>:),boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)) an </string>
+ <string>:)> clib_failure;

struct file_open_error: virtual boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> to an exception nested into another exception.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-25</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Description:

Returns a (const) reference to the copy of the value passed to (:link </string>
+ <string>:) { };

boost::shared_ptr<FILE>
file_open( char const * name, char const * mode )
 {
 if( FILE * f=fopen(name,mode) )
 return boost::shared_ptr<FILE>(f,fclose);
 else
 throw file_open_error() <<
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)'s constructor stored in the (:link </string>
+ <string>:)(name) <<
 clib_failure("fopen",errno);
 }@]

Note that the members of a boost::(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:) are stored separately in exception objects; they can only be retrieved individually, using (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object.

!!!!Throws:

Nothing.
</string>
+ <string>:).
</string>
 </container>
 </pair>
 <pair>
@@ -9183,94 +9111,94 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
+ <size>1</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-27</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>17</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

The following example demonstrates how errno can be stored in exception objects using Boost Exception:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) instance for transporting a relevant FILE pointer managed by a boost::shared_ptr<FILE> in exceptions deriving from boost::(:link </string>
+ <string>:)>
#include <iostream>

typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!Example:

(:include </string>
+ <string>:)<struct tag_my_info,int> my_info; //(1)

struct my_error: virtual boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-27</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>11</size>
- <variant>2</variant>
- <string>(:auto !!:)

Boost Exception supports transporting of exception objects between threads through cloning. This system is similar to (:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:), but because Boost Exception can not rely on language support, the use of (:link </string>
+ <string>:), virtual std::exception { }; //(2)

void
f()
 {
 throw my_error() << my_info(42); //(3)
 }@]

First, we instantiate the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) at the time of the throw is required in order to use cloning.

!!!!Note:

All exceptions emitted by the familiar function boost::(:link </string>
+ <string>:) template using a unique identifier -- tag_my_info, and the type of the info it identifies -- int. This provides compile-time type safety for the various values stored in exception objects.

Second, we define class my_error, which derives from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) are guaranteed to derive from boost::(:link </string>
+ <string>:).

Finally, (3) illustrates how the typedef from (1) can be used with (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and to support cloning.

(:include </string>
+ <string>|operator<<:) to store values in exception objects at the point of the throw.

The stored my_info value can be recovered at a later time like this:

[@// ...continued

void
g()
 {
 try
 {
 f();
 }
 catch(
 my_error & x )
 {
 if( int const * mi=boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-19</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
(:include </string>
+ <string>:)<my_info>(x) )
 std::cerr << "My info: " << *mi;
 }
 }@]

The (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-79</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
+ <string>:) function template is instantiated with the typedef from (1), and is passed an exception object of a polymorphic type. If the exception object contains the requested value, err will point to it; otherwise a null pointer is returned.
</string>
 </container>
 </pair>
 <pair>
@@ -9281,18 +9209,9 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include decl:)

!!!!Effects:



Frees all resources associated with a boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
 <variant>2</variant>
- <string>:) object.

!!!!Throws:



Nothing.
</string>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -9303,72 +9222,84 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>25</size>
+ <size>1</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

The (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-29</id>
- </shared_ptr>
- </weak_ptr>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-21</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
 <variant>2</variant>
- <string>:) type can be used to refer to a copy of an exception object. It is Default Constructible, Copy Constructible, Assignable and Equality Comparable; (:link </string>
+ <string>(:auto !!!:)

Deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)'s operations do not throw.

The referenced object remains valid at least as long as there is an (:link </string>
+ <string>:) effectively decouples the semantics of a failure from the information that is relevant to each individual instance of reporting a failure with a given semantic.

In other words: with boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object that refers to it.

Two instances of (:link </string>
+ <string>:), what data a given exception object transports depends primarily on the context in which failures are reported (not on its type.) Since exception types need no members, it becomes very natural to throw exceptions that derive from more than one type to indicate multiple appropriate semantics:

[@struct exception_base: virtual std::exception, virtual boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) are equivalent and compare equal if and only if they refer to the same exception.

The default constructor of (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-29</id>
- </shared_ptr>
- </weak_ptr>
+ <string>:) { };
struct io_error: virtual exception_base { };
struct file_error: virtual io_error { };
struct read_error: virtual io_error { };
struct file_read_error: virtual file_error, virtual read_error { };@]

Using this approach, exception types become a simple tagging system for categorizing errors and selecting failures in exception handlers.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-30</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
 <variant>2</variant>
- <string>:) produces the null value of the type. The null value is equivalent only to itself.

!!!!Thread safety

* It is legal for multiple threads to hold (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-29</id>
- </shared_ptr>
- </weak_ptr>
+ <string>(:auto !!!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-31</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
 <variant>2</variant>
- <string>:) references to the same exception object.
* It is illegal for multiple threads to modify the same (:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object concurrently.
* While calling (:link </string>
+ <string> instance for transporting strings returned by std::type_info::name in exceptions deriving from boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -9377,246 +9308,307 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) makes a copy of the current exception object, it is still possible for the two copies to share internal state. Therefore, in general it is not safe to call (:link </string>
+ <string> objects.</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-32</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include decl:)

!!!!Effects:



Frees all resources associated with a boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) concurrently to throw the same exception object into multiple threads.

!!!!Nesting of exceptions:

An (:link </string>
+ <string>:) object.

!!!!Throws:



Nothing.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-33</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) can be added as (:link </string>
+ <string>:) instance for transporting a relevant FILE pointer managed by a boost::shared_ptr<FILE> in exceptions deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) to any boost::(:link </string>
+ <string>:).

!!!Example:

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). This is a convenient way to nest exceptions. There is no limit on the depth of the nesting, however cyclic references result in undefined behavior.
</string>
+ <string>:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>1</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Precondition:

ep shall not be null.

!!!!Throws:



The exception to which ep refers.
</string>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-31</id>
+ <id>-35</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>5</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Definition:

The expression </string>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

As if

[@try
 {
 throw </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string><Tag,T>::(:link </string>
+ <string>(e);
 }
catch(...)
 {
 return (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-31</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="m":) evaluates to T.</string>
+ <string>:)();
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-32</id>
+ <id>-36</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>19</size>
+ <size>7</size>
 <variant>2</variant>
- <string>(:auto !!:)

Boost Exception provides a namespace-scope function (:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

The </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-36</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) which takes a boost::(:link </string>
+ <string> function is intended to be called from a user-defined std::exception::what() override. This allows diagnostic information to be returned as the what() string.

!!!!Returns:

A pointer to a zero-terminated buffer that contains a string similar to the std::string returned by the </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). The returned string contains:

*the string representation of all data objects added to the boost::(:link </string>
+ <string> function, or null to indicate a failure.

!!!!Throws:

Nothing.

!!!!Note:

The returned pointer becomes invalid if any </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) through (:link </string>
+ <string> is modified or added to the exception object, or if another diagnostic information function is called.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-37</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":);
*the output from std::exception::what;
*additional platform-specific diagnostic information.

The returned string is not presentable as a friendly user message, but because it is generated automatically, it is useful for debugging or logging purposes. Here is an example:

[@#include <(:link </string>
+ <string>:) instance for transporting a relevant errno value in exceptions deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <iostream>

void f(); //throws unknown types that derive from boost::(:link </string>
+ <string>:).

!!!Example:

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

void
g()
 {
 try
 {
 f();
 }
 catch(
 boost::(:link </string>
+ <string>:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-38</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-39</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>19</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

Sometimes the throw site does not have all the information that is needed at the catch site to make sense of what went wrong. Let's say we have an exception type file_read_error, which takes a file name in its constructor. Consider the following function:

[@void
file_read( FILE * f, void * buffer, size_t size )
 {
 if( size!=fread(buffer,1,size,f) )
 throw file_read_error(????);
 }@]

How can the file_read function pass a file name to the exception type constructor? All it has is a FILE handle.

Using boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & e )
 {
 std::cerr << (:link </string>
+ <string>:) allows us to free the file_read function from the burden of storing the file name in exceptions it throws:

[@`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(e);
 }
 }@]

(:include </string>
+ <string>:)>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <errno.h>

struct file_read_error: virtual boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-33</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-33</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>11</size>
+ <string>:) { };

void
file_read( FILE * f, void * buffer, size_t size )
 {
 if( size!=fread(buffer,1,size,f) )
 throw file_read_error() << boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-37</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>!!!!Example:

this is a possible output from the (:link </string>
+ <string>:)(errno);
 }@]

If file_read detects a failure, it throws an exception which contains the information that is available at the time, namely the errno. Other relevant information, such as the file name, can be added in a context higher up the call stack, where it is known naturally:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function, as used in ''libs/exception/example/example_io.cpp:''

[@example_io.cpp(70): Throw in function class boost::shared_ptr<struct _iobuf> __cdecl my_fopen(const char *,const char *)
Dynamic exception type: class boost::exception_detail::clone_impl<struct fopen_error>
std::exception::what: example_io error
[struct boost::(:link </string>
+ <string>:)>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <string>

boost::shared_ptr<FILE> file_open( char const * file_name, char const * mode );
void file_read( FILE * f, void * buffer, size_t size );

void
parse_file( char const * file_name )
 {
 boost::shared_ptr<FILE> f = file_open(file_name,"rb");
 assert(f);
 try
 {
 char buf[1024];
 file_read( f.get(), buf, sizeof(buf) );
 }
 catch(
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = fopen
[struct boost::(:link </string>
+ <string>:) & e )
 {
 e << boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = 2, "No such file or directory"
[struct boost::(:link </string>
+ <string>:)(file_name);
 throw;
 }
 }@]

The above function is (almost) exception-neutral -- if an exception is emitted by any function call within the try block, parse_file does not need to do any real work, but it intercepts any boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = tmp1.txt
[struct boost::(:link </string>
+ <string>:) object, stores the file name, and re-throws using a throw-expression with no operand (15.1.6). The rationale for catching any boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = rb@]
</string>
+ <string>:) object is that the file name is relevant to any failure that occurs in parse_file, ''even if the failure is unrelated to file I/O''.
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -9629,93 +9621,89 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-41</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
+ <size>11</size>
 <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-36</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>7</size>
+ <string>!!!!Example:

this is a possible output from the (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-51</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
+ <string>:) function, as used in ''libs/exception/example/example_io.cpp:''

[@example_io.cpp(70): Throw in function class boost::shared_ptr<struct _iobuf> __cdecl my_fopen(const char *,const char *)
Dynamic exception type: class boost::exception_detail::clone_impl<struct fopen_error>
std::exception::what: example_io error
[struct boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) instance for transporting the name of a relevant API function (which does not use exceptions to report errors) in exceptions deriving from boost::(:link </string>
+ <string>:)_ *] = fopen
[struct boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!Example:

(:include </string>
+ <string>:)_ *] = 2, "No such file or directory"
[struct boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
+ <string>:)_ *] = tmp1.txt
[struct boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-12</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)_ *] = rb@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>21</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

* T must be a class with an accessible no-throw copy constructor.
* If T has any virtual base types, those types must have an accessible default constructor.

!!!!Returns:

An object of ''unspecified'' type which derives publicly from T. That is, the returned object can be intercepted by a catch(T &).

!!!!Description:



This function is designed to be used directly in a throw-expression to enable the (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-29</id>
- </shared_ptr>
- </weak_ptr>
+ <size>19</size>
 <variant>2</variant>
- <string>:) support in Boost Exception. For example:

[@class
my_exception:
 public std::exception
 {
 };

....
throw boost::(:link </string>
+ <string>(:auto !!:)

Boost Exception provides a namespace-scope function (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(my_exception());@]

Unless (:link </string>
+ <string>:) which takes a boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) is called at the time an exception object is used in a throw-expression, an attempt to copy it using (:link </string>
+ <string>:). The returned string contains:

*the string representation of all data objects added to the boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -9724,25 +9712,25 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) may return an (:link </string>
+ <string>:) through (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) which refers to an instance of (:link </string>
+ <string> mod="/":);
*the output from std::exception::what;
*additional platform-specific diagnostic information.

The returned string is not presentable as a friendly user message, but because it is generated automatically, it is useful for debugging or logging purposes. Here is an example:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). See (:link </string>
+ <string>:)>
#include <iostream>

void f(); //throws unknown types that derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -9751,41 +9739,41 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) for details.

!!!!Note:

Instead of using the throw keyword directly, it is preferable to call boost::(:link </string>
+ <string>:).

void
g()
 {
 try
 {
 f();
 }
 catch(
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). This is guaranteed to throw an exception that derives from boost::(:link </string>
+ <string>:) & e )
 {
 std::cerr << (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and supports the (:link </string>
+ <string>:)(e);
 }
 }@]

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-41</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) functionality.
</string>
+ <string>:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -9798,555 +9786,463 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>37</size>
+ <size>1</size>
 <variant>2</variant>
- <string>[@#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-53</id>
- </shared_ptr>
- </weak_ptr>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-45</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>19</size>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>(:auto !!:)

Boost Exception responds to the following configuration macros:

'''BOOST_NO_RTTI'''\\
'''BOOST_NO_TYPEID'''

The first macro prevents Boost Exception from using dynamic_cast and dynamic typeid. If the second macro is also defined, Boost Exception does not use static typeid either. There are no observable degrading effects on the library functionality, except for the following:

->By default, the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>:) function template can be called with any exception type. If BOOST_NO_RTTI is defined, (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>:) can be used only with objects of type boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>:).

!!!!Note:

The library needs RTTI functionality. Disabling the language RTTI support enables an internal RTTI system, which may have more or less overhead depending on the platform.

'''BOOST_EXCEPTION_DISABLE'''

By default, (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>:) and (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>:) are integrated directly in the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>:) function. Defining BOOST_EXCEPTION_DISABLE disables this integration.

Note that on some non-conformant compilers, for example MSVC 7.0 and older, as well as BCC, BOOST_EXCEPTION_DISABLE is implicitly defined in (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-19</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <stdio.h>
#include <errno.h>
#include <exception>

struct error : virtual std::exception, virtual boost::(:link </string>
+ <string>:).

'''BOOST_NO_EXCEPTIONS'''

This macro disables exception handling in Boost, forwarding all exceptions to a user-defined non-template version of boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) { };
struct file_error : virtual error { };
struct file_open_error: virtual file_error { };
struct file_read_error: virtual file_error { };

boost::shared_ptr<FILE>
open_file( char const * file, char const * mode )
 {
 if( FILE * f=fopen(file,mode) )
 return boost::shared_ptr<FILE>(f,fclose);
 else
 (:link </string>
+ <string>. However, unless BOOST_EXCEPTION_DISABLE is also defined, users can still examine the exception object for any data added at the point of the throw, or use boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(
 file_open_error() <<
 boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-36</id>
- </shared_ptr>
- </weak_ptr>
+ <string> (of course under BOOST_NO_EXCEPTIONS, the user-defined boost::throw_exception is not allowed to return to the caller.)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-46</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
 <variant>2</variant>
- <string>:)("fopen") <<
 boost::(:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

This type is used by the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(errno) <<
 boost::(:link </string>
+ <string>:) support in Boost Exception. Please see (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(file) <<
 boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-52</id>
- </shared_ptr>
- </weak_ptr>
+ <string>:).
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
 <variant>2</variant>
- <string>:)(mode) );
 }

size_t
read_file( boost::shared_ptr<FILE> const & f, void * buf, size_t size )
 {
 size_t nr=fread(buf,1,size,f.get());
 if( ferror(f.get()) )
 (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-61</id>
- </shared_ptr>
- </weak_ptr>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-48</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-49</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
 <variant>2</variant>
- <string>:)(
 file_read_error() <<
 boost::(:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)("fread") <<
 boost::(:link </string>
+ <string>:) instance for transporting (in exceptions deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(errno) <<
 boost::(:link </string>
+ <string>:)) an </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-26</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(f) );
 return nr;
 }@]
</string>
+ <string> to an exception nested into another exception.
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-50</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>19</size>
- <variant>2</variant>
- <string>(:auto !!!:)

Sometimes the throw site does not have all the information that is needed at the catch site to make sense of what went wrong. Let's say we have an exception type file_read_error, which takes a file name in its constructor. Consider the following function:

[@void
file_read( FILE * f, void * buffer, size_t size )
 {
 if( size!=fread(buffer,1,size,f) )
 throw file_read_error(????);
 }@]

How can the file_read function pass a file name to the exception type constructor? All it has is a FILE handle.

Using boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
 <variant>2</variant>
- <string>:) allows us to free the file_read function from the burden of storing the file name in exceptions it throws:

[@`#include <(:link </string>
+ <string>(:auto !!:)

This header has been deprecated.

Please #include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <errno.h>

struct file_read_error: virtual boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-17</id>
- </shared_ptr>
- </weak_ptr>
+ <string>> instead.</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-51</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>37</size>
 <variant>2</variant>
- <string>:) { };

void
file_read( FILE * f, void * buffer, size_t size )
 {
 if( size!=fread(buffer,1,size,f) )
 throw file_read_error() << boost::(:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Returns:

A string value that contains varying amount of implementation-specific diagnostic information about the passed object:

*If E can be statically converted to boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(errno);
 }@]

If file_read detects a failure, it throws an exception which contains the information that is available at the time, namely the errno. Other relevant information, such as the file name, can be added in a context higher up the call stack, where it is known naturally:

[@#include <(:link </string>
+ <string>:), the returned value contains the string representations of all (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <string>

boost::shared_ptr<FILE> file_open( char const * file_name, char const * mode );
void file_read( FILE * f, void * buffer, size_t size );

void
parse_file( char const * file_name )
 {
 boost::shared_ptr<FILE> f = file_open(file_name,"rb");
 assert(f);
 try
 {
 char buf[1024];
 file_read( f.get(), buf, sizeof(buf) );
 }
 catch(
 boost::(:link </string>
+ <string>:) objects stored in the boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & e )
 {
 e << boost::(:link </string>
+ <string>:) through (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(file_name);
 throw;
 }
 }@]

The above function is (almost) exception-neutral -- if an exception is emitted by any function call within the try block, parse_file does not need to do any real work, but it intercepts any boost::(:link </string>
+ <string> mod="/":), along with other diagnostic information relevant to the exception. If e can be dynamically converted to std::exception, the returned value also contains the what() string.
*Otherwise, if E can be statically converted to std::exception:
**if e can be dynamically converted to boost::exception, the returned value is the same as if E could be statically converted to boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object, stores the file name, and re-throws using a throw-expression with no operand (15.1.6). The rationale for catching any boost::(:link </string>
+ <string>:);
**otherwise the returned value contains the what() string.
*Otherwise, the boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object is that the file name is relevant to any failure that occurs in parse_file, ''even if the failure is unrelated to file I/O''.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-41</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

(:pagelist tags="hpp" except_tags="noindex":)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-42</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>7</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must be boost::(:link </string>
+ <string>:) template is not available.

The string representation of each (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), or a type that derives (indirectly) from boost::(:link </string>
+ <string>:) object is deduced by a function call that is bound at the time the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!!Postcondition:

A copy of v is stored into x. If x already contains data of type (:link </string>
+ <string>:)<Tag,T> template is instantiated. The following overload resolutions are attempted in order:

#Unqualified call to to_string(x), where x is of type (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<Tag,T>, that data is overwritten. Basic exception safety guarantee.

!!!!Returns:

x.

(:include throws:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-43</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

(:pagelist fmt="index" tags="function":)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-44</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>9</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This </string>
+ <string>:)<Tag,T> (the return value is expected to be of type std::string.)
#Unqualified call to to_string(x.(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-61</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> typedef is used by </string>
+ <string> mod="m":)()) (the return value is expected to be of type std::string.)
#Unqualified call to s << x.(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-61</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> if it defaults to returning an </string>
+ <string> mod="m":)(), where s is a std::ostringstream.

The first successfully bound function is used at the time (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> that refers to an object of type </string>
+ <string>:) is called; if all 3 overload resolutions are unsuccessful, the system is unable to convert the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>, to record in it the std::type_info of the original exception object.</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-45</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-46</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-47</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>3</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

Stores a copy of v in the </string>
+ <string>:) object to string, and ''an unspecified stub string value is used without issuing a compile error.''

The (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> object.

(:include throws:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-48</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

As if

[@try
 {
 throw </string>
+ <string>:) overload of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>(e);
 }
catch(...)
 {
 return (:link </string>
+ <string>:) is equivalent to:

[@if( p )
 try
 {
 (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();
 }@]
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-49</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-50</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>:)(p);
 }
 catch(...)
 {
 return (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-53</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ <string>:)();
 }
else return <unspecified-string-value>;@]

!!!!Notes:

*The format of the returned string is unspecified.
*The returned string is ''not'' user-friendly.
*The returned string may include additional platform-specific diagnostic information.


(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-41</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-52</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>1</size>
 <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ <string>(:auto !!:)

(:pagelist fmt="index" tags="function":)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-53</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
+ <size>9</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

This function must not be called outside of a catch block.

!!!!Returns:

If the current exception object can be converted to boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) instance for transporting the string passed as a second argument to fopen in exceptions indicating fopen failures and deriving from boost::(:link </string>
+ <string>:) or std::exception, this function returns the same string value returned by (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!Example:

(:include </string>
+ <string>:) for the current exception object. Otherwise, an unspecified non-empty string is returned.

Typical use is to call </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-53</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-53</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string> from a top-level function to output diagnostic information about unhandled exceptions:

[@int
main()
 {
 try
 {
 run_program();
 }
 catch(
 error & e )
 {
 //handle error
 }
 catch(
 ...)
 {
 std::cerr << "Unhandled exception!" << std::endl <<
 boost::</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-53</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ <string>();
 }
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -10357,75 +10253,67 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
+ <size>9</size>
 <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-55</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>(:auto !!!:)

(:include synopsis:)

This </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-56</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
+ <string> typedef is used by </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-71</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+ <string> if it defaults to returning an </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> instance for transporting strings returned by std::type_info::name in exceptions deriving from boost::</string>
+ <string> that refers to an object of type </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> objects.</string>
+ <string>, to record in it the std::type_info of the original exception object.</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-57</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
+ <size>37</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

The </string>
+ <string>[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-57</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> function is intended to be called from a user-defined std::exception::what() override. This allows diagnostic information to be returned as the what() string.

!!!!Returns:

A pointer to a zero-terminated buffer that contains a string similar to the std::string returned by the </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -10434,69 +10322,43 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> function, or null to indicate a failure.

!!!!Throws:

Nothing.

!!!!Note:

The returned pointer becomes invalid if any </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-14</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> is modified or added to the exception object, or if another diagnostic information function is called.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-58</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>7</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-77</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) instance for transporting a relevant errno value in exceptions deriving from boost::(:link </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-58</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!Example:

(:include </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-59</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is used by the (:link </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -10505,7 +10367,16 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) support in Boost Exception. Please see (:link </string>
+ <string>:)>
#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-19</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <stdio.h>
#include <errno.h>
#include <exception>

struct error : virtual std::exception, virtual boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -10514,163 +10385,185 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-60</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>7</size>
+ <string>:) { };
struct file_error : virtual error { };
struct file_open_error: virtual file_error { };
struct file_read_error: virtual file_error { };

boost::shared_ptr<FILE>
open_file( char const * file, char const * mode )
 {
 if( FILE * f=fopen(file,mode) )
 return boost::shared_ptr<FILE>(f,fclose);
 else
 (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-75</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
+ <string>:)(
 file_open_error() <<
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) instance for transporting a relevant text file line number, for example in parse error exceptions deriving from boost::(:link </string>
+ <string>:)("fopen") <<
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!Example:

(:include </string>
+ <string>:)(errno) <<
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-61</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>7</size>
+ <string>:)(file) <<
 boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-12</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This macro takes an exception object, records BOOST_CURRENT_FUNCTION, __FILE__ and __LINE__ in it, and forwards it to </string>
+ <string>:)(mode) );
 }

size_t
read_file( boost::shared_ptr<FILE> const & f, void * buf, size_t size )
 {
 size_t nr=fread(buf,1,size,f.get());
 if( ferror(f.get()) )
 (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>. To recover this information at the catch site, use </string>
+ <string>:)(
 file_read_error() <<
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>; the information is also included in the message returned by </string>
+ <string>:)("fread") <<
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-37</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)(errno) <<
 boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>.
</string>
+ <string>:)(f) );
 return nr;
 }@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-56</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-57</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>33</size>
+ <size>3</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

The (:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

Stores a copy of v in the </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function must not be called outside of a catch block.

!!!!Returns:

* An (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-29</id>
- </shared_ptr>
- </weak_ptr>
+ <string> object.

(:include throws:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-58</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
 <variant>2</variant>
- <string>:) that refers to the currently handled exception or a copy of the currently handled exception.
* If the function needs to allocate memory and the attempt fails, it returns an (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-29</id>
- </shared_ptr>
- </weak_ptr>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-59</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>77</size>
 <variant>2</variant>
- <string>:) that refers to an instance of std::bad_alloc.

!!!!Throws:

Nothing.

!!!!Notes:

* It is unspecified whether the return values of two successive calls to (:link </string>
+ <string>!!Synopsis

List of documented definitions, declarations and includes by header file:

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) refer to the same exception object.
* Correct implementation of (:link </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) may require compiler support, unless (:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) was used at the time the currently handled exception object was passed to throw. Whenever </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> fails to properly copy the current exception object, it returns an </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -10679,376 +10572,311 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> to an object of type that is as close as possible to the original exception type, using </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> as a final fallback. All such types derive from boost::</string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>, and:
** if the original exception object derives from boost::(:link </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), then the boost::(:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) sub-object of the object referred to by the returned </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> is initialized by the boost::(:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) copy constructor;
** if available, the exception contains the std::type_info of the original exception object, accessible through </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string><</string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-44</id>
+ <id>-38</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-63</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>13</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

* ErrorInfo must be an instance of the (:link </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-38</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) template.
* E must be polymorphic.

!!!!Returns:

* If dynamic_cast<boost::(:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) const *>(&x) is 0, or if x does not store an object of type ErrorInfo, the returned value is null.
* Otherwise, the returned pointer points to the stored value (use (:link </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":) to store values in exception objects.) When x is destroyed, any pointers returned by (:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-30</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) become invalid.

!!!!Throws:

Nothing.

!!!!Note:

The interface of (:link </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-30</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) may be affected by the build (:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-19</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-64</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

This function must not be called outside of a catch block.

!!!!Returns:

A pointer of type E to the current exception object, or null if the current exception object can not be converted to E *.

!!!!Throws:

Nothing.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-65</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>3</size>
- <variant>2</variant>
- <string>(:auto !!:)

This header has been deprecated.

Please #include <</string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-19</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>> instead.</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-66</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>37</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Returns:

A string value that contains varying amount of implementation-specific diagnostic information about the passed object:

*If E can be statically converted to boost::(:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), the returned value contains the string representations of all (:link </string>
+ <string>:)>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) objects stored in the boost::(:link </string>
+ <string> synopsis:)

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) through (:link </string>
+ <string>:)>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":), along with other diagnostic information relevant to the exception. If e can be dynamically converted to std::exception, the returned value also contains the what() string.
*Otherwise, if E can be statically converted std::exception:
**if e can be dynamically converted to boost::exception, the returned value is the same as if E could be statically converted to boost::(:link </string>
+ <string> synopsis:)

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-14</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:);
**otherwise the returned value contains the what() string.
*Otherwise, the boost::(:link </string>
+ <string>:)>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-14</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) template is not available.

The string representation of each (:link </string>
+ <string> synopsis:)

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-77</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object is deduced by a function call that is bound at the time the (:link </string>
+ <string>:)>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-77</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<Tag,T> template is instantiated. The following overload resolutions are attempted in order:

#Unqualified call to to_string(x), where x is of type (:link </string>
+ <string> synopsis:)

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-58</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<Tag,T> (the return value is expected to be of type std::string.)
#Unqualified call to to_string(x.(:link </string>
+ <string>:)>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-25</id>
+ <id>-58</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="m":)()) (the return value is expected to be of type std::string.)
#Unqualified call to s << x.(:link </string>
+ <string> synopsis:)

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-25</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="m":)(), where s is a std::ostringstream.

The first successfully bound function is used at the time (:link </string>
+ <string>:)>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) is called; if all 3 overload resolutions are unsuccessful, the system is unable to convert the (:link </string>
+ <string> synopsis:)

`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object to string, and ''an unspecified stub string value is used without issuing a compile error.''

The (:link </string>
+ <string>>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) overload of (:link </string>
+ <string> synopsis:)

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) is equivalent to:

[@if( p )
 try
 {
 (:link </string>
+ <string>:)>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(p);
 }
 catch(...)
 {
 return (:link </string>
+ <string> synopsis:)

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();
 }
else return <unspecified-string-value>;@]

!!!!Notes:

*The format of the returned string is unspecified.
*The returned string is ''not'' user-friendly.
*The returned string may include additional platform-specific diagnostic information.


(:include </string>
+ <string>:)>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-33</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-67</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

(:pagelist fmt="index" tags="type":)
</string>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -11061,147 +10889,165 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-61</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
+ <size>5</size>
 <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-70</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Description:

Returns a (const) reference to the copy of the value passed to (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ <string>:)'s constructor stored in the (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-10</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) object.

!!!!Throws:

Nothing.
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>27</size>
+ <size>13</size>
 <variant>2</variant>
- <string>(:auto !!:)

Some exception hierarchies can not be modified to make boost::(:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

Class boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) a base type. In this case, the (:link </string>
+ <string>:) is designed to be used as a universal base for user-defined exception types.

An object of any type deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function template can be used to make exception objects derive from boost::(:link </string>
+ <string>:) can store data of arbitrary types, using the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) anyway. Here is an example:

[@#include <(:link </string>
+ <string>:) wrapper and (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <stdexcept>

typedef boost::(:link </string>
+ <string> mod="/":).

To retrieve data from a boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<struct tag_std_range_min,size_t> std_range_min;
typedef boost::(:link </string>
+ <string>:) object, use the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<struct tag_std_range_max,size_t> std_range_max;
typedef boost::(:link </string>
+ <string>:) function template.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-63</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>17</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must derive publicly from std::exception.

!!!!Effects:

* If BOOST_NO_EXCEPTIONS is not defined, boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<struct tag_std_range_index,size_t> std_range_index;

template <class T>
class
my_container
 {
 public:

 size_t size() const;

 T const &
 operator[]( size_t i ) const
 {
 if( i > size() )
 throw boost::(:link </string>
+ <string>:)(e) is equivalent to throw boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(std::range_error("Index out of range")) <<
 std_range_min(0) <<
 std_range_max(size()) <<
 std_range_index(i);
 //....
 }
 };
@]

The call to (:link </string>
+ <string>:)(boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<T> gets us an object of ''unspecified type'' which is guaranteed to derive from both boost::(:link </string>
+ <string>:)(e)), unless BOOST_EXCEPTION_DISABLE is defined, in which case boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and T. This makes it possible to use (:link </string>
+ <string>:)(e) is equivalent to throw e;
* If BOOST_NO_EXCEPTIONS is defined, the function is left undefined, and the user is expected to supply an appropriate definition. Callers of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":) to store additional information in the exception object. The exception can be intercepted as T &, so existing exception handling will not break. It can also be intercepted as boost::(:link </string>
+ <string>:) are allowed to assume that the function never returns; therefore, if the user-defined (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) &, so that (:link </string>
+ <string>:) returns, the behavior is undefined.

!!!!Note:

Under BOOST_NO_EXCEPTIONS, unless BOOST_EXCEPTION_DISABLE is also defined, users can examine the passed exception object using boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -11210,367 +11056,408 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|more information can be added to the exception at a later time:).
</string>
+ <string>, or format an automatic diagnostic message using boost::</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-51</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>.</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>19</size>
+ <size>7</size>
 <variant>2</variant>
- <string>(:auto !!:)

Boost Exception responds to the following configuration macros:

'''BOOST_NO_RTTI'''\\
'''BOOST_NO_TYPEID'''

The first macro prevents Boost Exception from using dynamic_cast and dynamic typeid. If the second macro is also defined, Boost Exception does not use static typeid either. There are no observable degrading effects on the library functionality, except for the following:

->By default, the (:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function template can be called with any exception type. If BOOST_NO_RTTI is defined, (:link </string>
+ <string>:) instance for transporting a relevant file name in exceptions deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) can be used only with objects of type boost::(:link </string>
+ <string>:).

!!!Example:

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!!Note:

The library needs RTTI functionality. Disabling the language RTTI support enables an internal RTTI system, which may have more or less overhead depending on the platform.

'''BOOST_EXCEPTION_DISABLE'''

By default, (:link </string>
+ <string>:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-65</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>11</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

All exception types that derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and (:link </string>
+ <string>:) can be used as type-safe containers of arbitrary data objects, while complying with the no-throw requirements (15.5.1) of the ANSI C++ standard for exception types.

When exceptions derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) are integrated directly in the (:link </string>
+ <string>:), arbitrary data can be added to exception objects:

*At the point of the throw;
*At a later time as exceptions bubble up the call stack.

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function. Defining BOOST_EXCEPTION_DISABLE disables this integration.

Note that on some non-conformant compilers, for example MSVC 7.0 and older, as well as BCC, BOOST_EXCEPTION_DISABLE is implicitly defined in (:link </string>
+ <string>:)
(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-39</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

'''BOOST_NO_EXCEPTIONS'''

This macro disables exception handling in Boost, forwarding all exceptions to a user-defined non-template version of boost::</string>
+ <string>:)
(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>. However, unless BOOST_EXCEPTION_DISABLE is also defined, users can still examine the exception object for any data added at the point of the throw, or use boost::</string>
+ <string>:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-66</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-67</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

T must be a class with an accessible no-throw copy constructor as per (15.5.1).

!!!!Returns:

* If T derives from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> (of course under BOOST_NO_EXCEPTIONS, the user-defined boost::throw_exception is not allowed to return to the caller.)
</string>
+ <string>:), the returned object is of type T and is a copy of x.
* Otherwise, the returned object is of an unspecified type that derives publicly from both T and boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:). The T sub-object is initialized from x by the T copy constructor.

!!!!Throws:

Nothing.
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-68</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>11</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

(:pagelist tags="macro":)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-69</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>15</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

Here is how cloning can be enabled in a throw-expression (15.1):

[@#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-29</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>
#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-14</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!:)

All exception types that derive from boost::(:link </string>
+ <string>:)>
#include <stdio.h>
#include <errno.h>

struct file_read_error: virtual boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) can be used as type-safe containers of arbitrary data objects, while complying with the no-throw requirements (15.5.1) of the ANSI C++ standard for exception types.

When exceptions derive from boost::(:link </string>
+ <string>:) { };

void
file_read( FILE * f, void * buffer, size_t size )
 {
 if( size!=fread(buffer,1,size,f) )
 throw boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), arbitrary data can be added to exception objects:

*At the point of the throw;
*At a later time as exceptions bubble up the call stack.

(:include </string>
+ <string>:)(file_read_error()) <<
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-16</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
(:include </string>
+ <string>:)(errno);
 }@]

Of course, (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
(:include </string>
+ <string>:) may be used with any exception type; there is no requirement that it should derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-13</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-73</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ <string>:).
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
+ <size>11</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

T must be a class with an accessible no-throw copy constructor as per (15.5.1).

!!!!Returns:

* If T derives from boost::(:link </string>
+ <string>(:auto !!:)

Boost Exception supports transporting of exception objects between threads through cloning. This system is similar to (:link http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html|N2179:), but because Boost Exception can not rely on language support, the use of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), the returned object is of type T and is a copy of x.
* Otherwise, the returned object is of an unspecified type that derives publicly from both T and boost::(:link </string>
+ <string>:) at the time of the throw is required in order to use cloning.

!!!!Note:

All exceptions emitted by the familiar function boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). The T sub-object is initialized from x by the T copy constructor.

!!!!Throws:

Nothing.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-75</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

(:pagelist tags="macro":)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-76</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
+ <string>:) are guaranteed to derive from boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must be boost::(:link </string>
+ <string>:) and to support cloning.

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), or a type that derives (indirectly) from boost::(:link </string>
+ <string>:)
(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-8</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!!Effects:

Equivalent to x << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<0>() << ... << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<N>().

!!!!Returns:

x.

(:include throws:)
</string>
+ <string>:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-77</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
+ <size>33</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include decl:)

!!!!Effects:

* Default constructor: initializes an empty boost::(:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

The (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object.
* Copy constructor: initializes a boost::(:link </string>
+ <string>:) function must not be called outside of a catch block.

!!!!Returns:

* An (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object which shares ownership with x of all data added through (:link </string>
+ <string>:) that refers to the currently handled exception or a copy of the currently handled exception.
* If the function needs to allocate memory and the attempt fails, it returns an (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":), including data that is added at a future time.

!!!!Throws:

Nothing.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-78</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-79</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>37</size>
+ <string>:) that refers to an instance of std::bad_alloc.

!!!!Throws:

Nothing.

!!!!Notes:

* It is unspecified whether the return values of two successive calls to (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-71</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

When you catch an exception, you can call (:link </string>
+ <string>:) refer to the same exception object.
* Correct implementation of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) to get an (:link </string>
+ <string>:) may require compiler support, unless (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object:

[@#include <(:link </string>
+ <string>:) was used at the time the currently handled exception object was passed to throw. Whenever </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <boost/thread.hpp>
#include <boost/bind.hpp>

void do_work(); //throws cloning-enabled boost::(:link </string>
+ <string> fails to properly copy the current exception object, it returns an </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)s

void
worker_thread( boost::(:link </string>
+ <string> to an object of type that is as close as possible to the original exception type, using </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & error )
 {
 try
 {
 do_work();
 error = boost::(:link </string>
+ <string> as a final fallback. All such types derive from boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();
 }
 catch(
 ... )
 {
 error = boost::(:link </string>
+ <string>, and:
** if the original exception object derives from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -11579,7 +11466,7 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();
 }
 }@]

In the above example, note that (:link </string>
+ <string>:), then the boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -11588,290 +11475,403 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) captures the original type of the exception object. The exception can be thrown again using the (:link </string>
+ <string>:) sub-object of the object referred to by the returned </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function:

[@// ...continued

void
work()
 {
 boost::(:link </string>
+ <string> is initialized by the boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) error;
 boost::(:link http://www.boost.org/doc/html/boost/thread.html|thread:) t( boost::(:link http://www.boost.org/libs/bind/bind.html|bind:)(worker_thread,boost::(:link http://www.boost.org/doc/html/ref.html|ref:)(error)) );
 t.(:link http://www.boost.org/doc/html/boost/thread.html|join:)();
 if( error )
 boost::(:link </string>
+ <string>:) copy constructor;
** if available, the exception contains the std::type_info of the original exception object, accessible through </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(error);
 }@]

Note that (:link </string>
+ <string><</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) could fail to copy the original exception object in the following cases:

* if there is not enough memory, in which case the returned (:link </string>
+ <string>>.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-72</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>13</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

* ErrorInfo must be an instance of the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) points to an instance of std::bad_alloc, or
* if (:link </string>
+ <string>:) template.
* E must be polymorphic.

!!!!Returns:

* If dynamic_cast<boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) was not used in the throw-expression passed to the original throw statement and the current implementation does not have the necessary compiler-specific support to copy the exception automatically, in which case the returned (:link </string>
+ <string>:) const *>(&x) is 0, or if x does not store an object of type ErrorInfo, the returned value is null.
* Otherwise, the returned pointer points to the stored value (use (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-80</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) points to an instance of (:link </string>
+ <string> mod="/":) to store values in exception objects.) When x is destroyed, any pointers returned by (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

Regardless, the use of (:link </string>
+ <string>:) become invalid.

!!!!Throws:

Nothing.

!!!!Note:

The interface of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and (:link </string>
+ <string>:) may be affected by the build (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) in the above examples is well-formed.
</string>
+ <string>:).
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-73</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>41</size>
+ <size>1</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

T must have accessible copy constructor and must not be a reference (there is no requirement that T's copy constructor does not throw.)

!!!!Description:

This class template is used to associate a Tag type with a value type T. Objects of type (:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

This function must not be called outside of a catch block.

!!!!Returns:

A pointer of type E to the current exception object, or null if the current exception object can not be converted to E *.

!!!!Throws:

Nothing.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-74</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<Tag,T> can be passed to (:link </string>
+ <string>:) instance for transporting a relevant text file line number, for example in parse error exceptions deriving from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:).

!!!Example:

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":) to be stored in objects of type boost::(:link </string>
+ <string>:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-75</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

This macro takes an exception object, records BOOST_CURRENT_FUNCTION, __FILE__ and __LINE__ in it, and forwards it to </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!!Usage:

The header <(:link </string>
+ <string>. To recover this information at the catch site, use </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)> provides a declaration of the (:link </string>
+ <string>; the information is also included in the message returned by </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) template, which is sufficient for the purpose of typedefing an instance for specific Tag and T, for example:

[@#include <(:link </string>
+ <string>.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-76</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-77</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-78</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

(:pagelist tags="hpp" except_tags="noindex":)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-79</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>25</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

The (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

struct tag_errno;
typedef boost::(:link </string>
+ <string>:) type can be used to refer to a copy of an exception object. It is Default Constructible, Copy Constructible, Assignable and Equality Comparable; (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<tag_errno,int> errno_info;@]

Or, the shorter equivalent:

[@#include <(:link </string>
+ <string>:)'s operations do not throw.

The referenced object remains valid at least as long as there is an (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

typedef boost::(:link </string>
+ <string>:) object that refers to it.

Two instances of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<struct tag_errno,int> errno_info;@]

This errno_info typedef can be passed to (:link </string>
+ <string>:) are equivalent and compare equal if and only if they refer to the same exception.

The default constructor of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":) (#include <(:link </string>
+ <string>:) produces the null value of the type. The null value is equivalent only to itself.

!!!!Thread safety

* It is legal for multiple threads to hold (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)> first) to store an int named tag_errno in exceptions of types that derive from boost::(:link </string>
+ <string>:) references to the same exception object.
* It is illegal for multiple threads to modify the same (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:):

[@throw file_read_error() (:link </string>
+ <string>:) object concurrently.
* While calling (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) errno_info(errno);@]

It can also be passed to (:link </string>
+ <string>:) makes a copy of the current exception object, it is still possible for the two copies to share internal state. Therefore, in general it is not safe to call (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) (#include <(:link </string>
+ <string>:) concurrently to throw the same exception object into multiple threads.

!!!!Nesting of exceptions:

An (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-20</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)> first) to retrieve the tag_errno int from a boost::(:link </string>
+ <string>:) can be added as (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:):

[@catch( boost::(:link </string>
+ <string>:) to any boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & x )
 {
 if( int const * e=boost::(:link </string>
+ <string>:). This is a convenient way to nest exceptions. There is no limit on the depth of the nesting, however cyclic references result in undefined behavior.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-80</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must be boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<errno_info>(x) )
 ....
 }@]

For convenience and uniformity, Boost Exception defines the following commonly used (:link </string>
+ <string>:), or a type that derives (indirectly) from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-80</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) typedefs, ready for use with (:link </string>
+ <string>:).

!!!!Postcondition:

A copy of v is stored into x. If x already contains data of type (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":):

(:pagelist tags="error_info_instance":)
</string>
+ <string>:)<Tag,T>, that data is overwritten. Basic exception safety guarantee.

!!!!Returns:

x.

(:include throws:)
</string>
 </container>
 </pair>
 </sorted>
@@ -11896,7 +11896,9 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>!!!!Throws:

std::bad_alloc, or any exception emitted by T1..TN copy constructor.
</string>
 </container>
 </pair>
 <pair>
@@ -11936,6 +11938,17 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
+ <id>-9</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
 <id>-10</id>
 </shared_ptr>
 </weak_ptr>
@@ -12057,7 +12070,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-24</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12090,7 +12103,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-24</id>
+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12101,7 +12114,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-25</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12112,7 +12125,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-26</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12123,7 +12136,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12134,7 +12147,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-28</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12145,7 +12158,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-21</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12292,9 +12305,7 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
- <variant>2</variant>
- <string>!!!!Throws:

std::bad_alloc, or any exception emitted by the T copy constructor.
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -12349,9 +12360,7 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
- <variant>2</variant>
- <string>!!!!Throws:

Any exception emitted by v's copy constructor.</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -12461,7 +12470,9 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>!!!!Throws:

Any exception emitted by v's copy constructor.</string>
 </container>
 </pair>
 <pair>
@@ -12611,17 +12622,6 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
 <id>-71</id>
 </shared_ptr>
 </weak_ptr>
@@ -12681,9 +12681,7 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
- <variant>2</variant>
- <string>!!!!Throws:

std::bad_alloc, or any exception emitted by T1..TN copy constructor.
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -12727,7 +12725,9 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>!!!!Throws:

std::bad_alloc, or any exception emitted by the T copy constructor.
</string>
 </container>
 </pair>
 </sorted>
@@ -12752,7 +12752,27 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>`#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>

[@namespace
boost
 {
(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-5</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12774,7 +12794,9 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>[@namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12792,31 +12814,44 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
+ <id>-9</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
+ <variant>2</variant>
+ <string>`#include <</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-30</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
 <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
+ <size>3</size>
 <variant>2</variant>
 <string>`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)>

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-34</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>:)>

[@namespace
boost
 {
(:include def pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12827,18 +12862,7 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>`#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-46</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include decl:)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -12849,7 +12873,27 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>`#include <</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>>

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -12873,16 +12917,16 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>`#include <(:link </string>
+ <string>[@#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>\\

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>>
#include <errno.h>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12893,9 +12937,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
+ <size>3</size>
 <variant>2</variant>
- <string>[@(:include api:)@]
</string>
+ <string>`#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-60</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12924,11 +12977,11 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-78</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include def pre_indent="4":)
 }@]
</string>
+ <string>:)>

[@(:include decl:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -12939,18 +12992,27 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@#include <(:link </string>
+ <string>`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-78</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>>

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-76</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -12961,7 +13023,9 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:include api:)
</string>
 </container>
 </pair>
 <pair>
@@ -12972,31 +13036,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
- <variant>2</variant>
- <string>[@#include <boost/shared_ptr.hpp>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-24</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-78</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -13025,53 +13076,11 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-24</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>`#include <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-45</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>>

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-45</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
 <id>-25</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>`#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-18</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)>

[@(:include decl:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -13084,25 +13093,25 @@
 <container>
 <size>5</size>
 <variant>2</variant>
- <string>`#include <(:link </string>
+ <string>[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string>:)>

namespace
boost
 {
(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-79</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string> decl pre_indent="4":)
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13124,7 +13133,9 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>[@(:include api:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -13137,16 +13148,27 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>`#include <(:link </string>
+ <string>[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-21</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -13159,16 +13181,16 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>`#include <(:link </string>
+ <string>[@#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13179,18 +13201,27 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>`#include <(:link </string>
+ <string>`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include decl:)@]
</string>
+ <string>>

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-34</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -13212,146 +13243,144 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-34</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@#include <(:link </string>
+ <string>`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-77</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <string>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-35</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>:)>

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-77</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>[@namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>`#include <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-53</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
 <variant>2</variant>
- <string>>

(:include </string>
+ <string>[@#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>>
#include <string>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-35</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>`#include <</string>
+ <string>`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-55</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>:)>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-36</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@#include <</string>
+ <string>`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>
#include <string>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>:)>\\

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>`#include <</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-14</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>>

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-14</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-38</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>[@namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-41</id>
+ <id>-39</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -13362,29 +13391,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>`#include <(:link </string>
+ <string>[@#include <string>

namespace
boost
 {
(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>\\

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string> decl pre_indent="4":)

(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-43</id>
+ <id>-41</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -13395,44 +13424,24 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-44</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>`#include <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-21</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>[@#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-70</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
 <variant>2</variant>
- <string>:)>

namespace
boost
 {
(:include </string>
+ <string>[@#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -13441,49 +13450,38 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl pre_indent="4":)
(:include api pre_indent="4":)
 }@]
</string>
+ <string>>
#include <boost/tuple/tuple.hpp>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>1</size>
 <variant>2</variant>
- <string>(:include api:)
</string>
+ <string>[@namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-47</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>`#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-18</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)>

[@(:include decl:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-48</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -13494,7 +13492,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -13505,7 +13503,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -13516,18 +13514,18 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-78</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>>
#include <string>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -13538,64 +13536,95 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>
#include <string>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-49</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@#include <string>

namespace
boost
 {
(:include </string>
+ <string>`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl pre_indent="4":)

(:include api pre_indent="4":)
 }@]
</string>
+ <string>>

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-26</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-50</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>5</size>
 <variant>2</variant>
- <string>`#include <</string>
+ <string>`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

(:include </string>
+ <string>:)>\\
`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>>\\

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-52</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -13608,16 +13637,16 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@#include <(:link </string>
+ <string>`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>:)>\\

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13630,16 +13659,16 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@#include <(:link </string>
+ <string>`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

namespace
boost
 {
 template <class> class weak_ptr;
(:include api pre_indent="4":)
 }@]
</string>
+ <string>>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13650,18 +13679,7 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@#include <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-78</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -13672,27 +13690,9 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>`#include <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-38</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>>

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-38</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>[@#include <boost/shared_ptr.hpp>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13710,11 +13710,11 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>\\

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>:)>

[@(:include decl:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -13725,27 +13725,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>`#include <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-68</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
 <variant>2</variant>
- <string>>

(:include </string>
+ <string>[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>:)>
#include <string>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13756,18 +13747,7 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>`#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-21</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -13778,27 +13758,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>`#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-73</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
 <variant>2</variant>
- <string>:)>

(:include </string>
+ <string>[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13811,16 +13782,16 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>`#include <</string>
+ <string>`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

(:include decl:)
</string>
+ <string>:)>

[@(:include decl:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -13838,11 +13809,11 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>:)>

[@namespace
boost
 {
(:include def pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13853,9 +13824,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
+ <size>3</size>
 <variant>2</variant>
- <string>[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>`#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-19</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>

[@namespace
boost
 {
(:include decl:)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13866,18 +13846,27 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>`#include <</string>
+ <string>`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-58</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>:)>

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-58</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -13901,16 +13890,16 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>`#include <(:link </string>
+ <string>[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>\\

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13921,71 +13910,47 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-68</id>
- </shared_ptr>
- </weak_ptr>
- <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@#include <</string>
+ <string>`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>
#include <errno.h>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-68</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@#include <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-18</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>>
#include <boost/tuple/tuple.hpp>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
- <variant>2</variant>
- <string>[@namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -14000,7 +13965,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>`#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-60</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -14011,7 +13987,9 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -14024,16 +14002,16 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@#include <(:link </string>
+ <string>`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-38</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -14044,18 +14022,27 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>`#include <</string>
+ <string>`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>:)>

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-66</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -14066,7 +14053,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>`#include <</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-19</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>>

(:include decl:)
</string>
 </container>
 </pair>
 <pair>
@@ -14077,27 +14075,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>`#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-69</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
 <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include </string>
+ <string>[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl pre_indent="4":)
 }@]
</string>
+ <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -14108,7 +14097,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-44</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>

namespace
boost
 {
 template <class> class weak_ptr;
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -14119,9 +14119,7 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
- <variant>2</variant>
- <string>[@namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -14132,7 +14130,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>`#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-60</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -14150,11 +14159,11 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include def pre_indent="4":)
 }@]
</string>
+ <string>:)>\\

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 </sorted>
@@ -14188,6 +14197,9 @@
 <id>-8</id>
 </shared_ptr>
 <shared_ptr>
+ <id>-9</id>
+ </shared_ptr>
+ <shared_ptr>
 <id>-10</id>
 </shared_ptr>
 <shared_ptr>
@@ -14221,7 +14233,7 @@
 <id>-20</id>
 </shared_ptr>
 <shared_ptr>
- <id>-21</id>
+ <id>-24</id>
 </shared_ptr>
 <shared_ptr>
 <id>-22</id>
@@ -14230,9 +14242,6 @@
 <id>-23</id>
 </shared_ptr>
 <shared_ptr>
- <id>-24</id>
- </shared_ptr>
- <shared_ptr>
 <id>-25</id>
 </shared_ptr>
 <shared_ptr>
@@ -14248,6 +14257,9 @@
 <id>-29</id>
 </shared_ptr>
 <shared_ptr>
+ <id>-21</id>
+ </shared_ptr>
+ <shared_ptr>
 <id>-30</id>
 </shared_ptr>
 <shared_ptr>
@@ -14371,9 +14383,6 @@
 <id>-70</id>
 </shared_ptr>
 <shared_ptr>
- <id>-9</id>
- </shared_ptr>
- <shared_ptr>
 <id>-71</id>
 </shared_ptr>
 <shared_ptr>
@@ -14406,25 +14415,8 @@
 </sorted>
 </contexts>
 <index>
- <sorted>
- <size>76</size>
- <pair>
- <hook>
- <stream_hook_path>
- <container>
- <size>0</size>
- </container>
- </stream_hook_path>
- </hook>
- <file>
- <path>
- <empty>1</empty>
- </path>
- </file>
- <shared_ptr>
- <id>-22</id>
- </shared_ptr>
- </pair>
+ <sorted>
+ <size>76</size>
 <pair>
 <hook>
 <stream_hook_path>
@@ -14439,7 +14431,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-27</id>
+ <id>-16</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14456,7 +14448,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-72</id>
+ <id>-70</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14473,7 +14465,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-23</id>
+ <id>-65</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14490,7 +14482,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-49</id>
+ <id>-11</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14507,7 +14499,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-55</id>
+ <id>-48</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14524,7 +14516,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-8</id>
+ <id>-30</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14541,7 +14533,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-5</id>
+ <id>-20</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14558,7 +14550,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-6</id>
+ <id>-24</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14575,7 +14567,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-7</id>
+ <id>-21</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14592,7 +14584,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-43</id>
+ <id>-23</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14609,7 +14601,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-41</id>
+ <id>-52</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14626,7 +14618,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-67</id>
+ <id>-78</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14643,7 +14635,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-75</id>
+ <id>-13</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14660,31 +14652,24 @@
 </path>
 </file>
 <shared_ptr>
- <id>-12</id>
+ <id>-68</id>
 </shared_ptr>
 </pair>
 <pair>
 <hook>
 <stream_hook_path>
 <container>
- <size>1</size>
- 21E8093D2AF6946EAE135823066EF38B9DC8870432B44C81E585FF63A72F9903
- <weak>3352783584</weak>
- <size>12170</size>
- <position>323</position>
+ <size>0</size>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
- <empty>0</empty>
- <string>../../../../boost/exception_ptr.hpp</string>
- <type>0</type>
- <base>0</base>
+ <empty>1</empty>
 </path>
 </file>
 <shared_ptr>
- <id>-21</id>
+ <id>-59</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14708,7 +14693,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-34</id>
+ <id>-58</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14736,7 +14721,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-52</id>
+ <id>-12</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14744,9 +14729,9 @@
 <stream_hook_path>
 <container>
 <size>1</size>
- 21A43755562CB78B3FFCC49F66B457C1FCD659EE98F25BBFA8DDE453EB89DF0E
- <weak>2576704708</weak>
- <size>337</size>
+ BA58BD4D96D420ADA2006B5AC2D25B99E1CEBF350813C61DF9FB3754A138D40C
+ <weak>3620239794</weak>
+ <size>5149</size>
 <position>323</position>
 </container>
 </stream_hook_path>
@@ -14754,13 +14739,13 @@
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception/errinfo_api_function.hpp</string>
+ <string>../../../../boost/exception/diagnostic_information.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 <shared_ptr>
- <id>-53</id>
+ <id>-40</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14768,14 +14753,14 @@
 <stream_hook_path>
 <container>
 <size>2</size>
- F7554EEA94C796DF4EC724B2F21CFE92B2A7BEF13097D61CE13CE50CE7192313
- <weak>2034584854</weak>
- <size>4201</size>
- <position>560</position>
- 2973B09697BC6642C8CBECE8C3DD7C429FA1348B67AAAB47E01B9C1292EE3BB2
- <weak>2629550564</weak>
- <size>3677</size>
- <position>26</position>
+ 91EBEDBD2582FE27314201DA4E2241CCE82DCB54E3BC027944308C6A58125E0E
+ <weak>615721273</weak>
+ <size>4095</size>
+ <position>1377</position>
+ 5738DF31DB52E5E8784199058479E798957794147A099D834110FF821C605EE3
+ <weak>1133216499</weak>
+ <size>490</size>
+ <position>3599</position>
 </container>
 </stream_hook_path>
 </hook>
@@ -14788,7 +14773,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-66</id>
+ <id>-36</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14796,14 +14781,14 @@
 <stream_hook_path>
 <container>
 <size>2</size>
- F7554EEA94C796DF4EC724B2F21CFE92B2A7BEF13097D61CE13CE50CE7192313
- <weak>2034584854</weak>
- <size>4201</size>
- <position>560</position>
- 5738DF31DB52E5E8784199058479E798957794147A099D834110FF821C605EE3
- <weak>1133216499</weak>
- <size>490</size>
- <position>3705</position>
+ 91EBEDBD2582FE27314201DA4E2241CCE82DCB54E3BC027944308C6A58125E0E
+ <weak>615721273</weak>
+ <size>4095</size>
+ <position>1377</position>
+ BE272E8DD06A23FE305ECCBCDDD8923FCC667DE8A55CE98AA7309A7DBB16DDE5
+ <weak>507026951</weak>
+ <size>3571</size>
+ <position>26</position>
 </container>
 </stream_hook_path>
 </hook>
@@ -14816,91 +14801,79 @@
 </path>
 </file>
 <shared_ptr>
- <id>-57</id>
+ <id>-51</id>
 </shared_ptr>
 </pair>
 <pair>
 <hook>
 <stream_hook_path>
 <container>
- <size>2</size>
- CEB9022E39DA32E612158FF553D383E13D300D1202CEB754E28B716040EFC414
- <weak>1114955626</weak>
- <size>11770</size>
- <position>723</position>
- 6B3B617AC518A2177BDB89656E726B4E4D79577E289130493A61BAE24FB64838
- <weak>3173127726</weak>
- <size>1101</size>
- <position>2184</position>
+ <size>1</size>
+ 21A43755562CB78B3FFCC49F66B457C1FCD659EE98F25BBFA8DDE453EB89DF0E
+ <weak>2576704708</weak>
+ <size>337</size>
+ <position>323</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception_ptr.hpp</string>
+ <string>../../../../boost/exception/errinfo_api_function.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 <shared_ptr>
- <id>-59</id>
+ <id>-76</id>
 </shared_ptr>
 </pair>
 <pair>
 <hook>
 <stream_hook_path>
 <container>
- <size>2</size>
- CEB9022E39DA32E612158FF553D383E13D300D1202CEB754E28B716040EFC414
- <weak>1114955626</weak>
- <size>11770</size>
- <position>723</position>
- E23085202D084CBB50F289988A6A592F06D923B77D0AB25D7A98A7188DF5BE3B
- <weak>1414247481</weak>
- <size>766</size>
- <position>10094</position>
+ <size>1</size>
+ 152CB2862365DF3DCC0062071CB97724D8757575B90CF9A8706A57382CA46B0F
+ <weak>4123189442</weak>
+ <size>12674</size>
+ <position>323</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception_ptr.hpp</string>
+ <string>../../../../boost/exception/detail/exception_ptr.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 <shared_ptr>
- <id>-62</id>
+ <id>-60</id>
 </shared_ptr>
 </pair>
 <pair>
 <hook>
 <stream_hook_path>
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 <pair>
@@ -16068,55 +16077,51 @@
 <stream_hook_path>
 <container>
 <size>2</size>
- 46AE88799BE7F14F1E2B48F0077193517F25AFFD4AE13C30489247555042EEE3
- <weak>1975649535</weak>
- <size>3970</size>
- <position>518</position>
- D31BCE814DF5B8B718E7EB67A194AD08EF716A26D422E436596ABA1F145007D8
- <weak>4055211476</weak>
- <size>525</size>
- <position>3439</position>
+ 307034E20863A00923777A60D9495B4076B7F917D5B97203025299060F0833E0
+ <weak>3948311309</weak>
+ <size>396</size>
+ <position>344</position>
+ F8ED2052577830AC0C515EC5932BB14445DD5DA714782281FCDB1776961FECB1
+ <weak>3880328768</weak>
+ <size>82</size>
+ <position>308</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception/info.hpp</string>
+ <string>../../../../boost/exception/errinfo_file_name.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 <shared_ptr>
- <id>-42</id>
+ <id>-64</id>
 </shared_ptr>
 </pair>
 <pair>
 <hook>
 <stream_hook_path>
 <container>
- <size>2</size>
- E08150343DD1B942E2AC7DDB8EE52852BF2E03476430238FCFF49CD2C09E55E6
- <weak>1796675348</weak>
- <size>978</size>
- <position>4763</position>
- 36688510914673386A7870D1D4970B7D74CF9A4B7226F9E225A5607DCBFB12C4
- <weak>2314308857</weak>
- <size>446</size>
- <position>110</position>
+ <size>1</size>
+ E70915ABD618D3F08CC9462BAA94A7193FB536524713AD463EC455A4025049E8
+ <weak>1170049804</weak>
+ <size>2066</size>
+ <position>91</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception/diagnostic_information.hpp</string>
+ <string>../../../../boost/throw_exception.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 <shared_ptr>
- <id>-14</id>
+ <id>-19</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -16140,7 +16145,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-9</id>
+ <id>-22</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -16168,7 +16173,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-70</id>
+ <id>-44</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -16179,7 +16184,7 @@
 F7633FDCF6615C0199645701EE6E7ACE5CBCD7A7CF6838573791E91ABB3C09F2
 <weak>1668435395</weak>
 <size>1332</size>
- <position>396</position>
+ <position>501</position>
 A1F443AF571973A12005D2F7D4AE09A32AAF686FEEAE272EC21512A65EB943E8
 <weak>3879093659</weak>
 <size>1300</size>
@@ -16196,46 +16201,46 @@
 </path>
 </file>
 <shared_ptr>
- <id>-76</id>
+ <id>-5</id>
 </shared_ptr>
 </pair>
 <pair>
 <hook>
 <stream_hook_path>
 <container>
- <size>1</size>
- 9DF8D57248B036B570603802AAD3E0FC25D94268FCF31A2B395973D93FFE1CF5
- <weak>1380075423</weak>
- <size>208</size>
- <position>323</position>
+ <size>2</size>
+ 964F6A1CDF157430B6F65ABDD6A590CFA6AE83EAED66B5B59BA829DB07DF97F2
+ <weak>3653363251</weak>
+ <size>731</size>
+ <position>636</position>
+ 36688510914673386A7870D1D4970B7D74CF9A4B7226F9E225A5607DCBFB12C4
+ <weak>2314308857</weak>
+ <size>446</size>
+ <position>279</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception/errinfo_nested_exception.hpp</string>
+ <string>../../../../boost/exception/diagnostic_information.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 <shared_ptr>
- <id>-45</id>
+ <id>-53</id>
 </shared_ptr>
 </pair>
 <pair>
 <hook>
 <stream_hook_path>
 <container>
- <size>2</size>
+ <size>1</size>
 9DF8D57248B036B570603802AAD3E0FC25D94268FCF31A2B395973D93FFE1CF5
 <weak>1380075423</weak>
 <size>208</size>
 <position>323</position>
- 83E18B98A15DEF9418E38218D221D10DC093B915D630B51974CCD23A6E1EDC44
- <weak>849683856</weak>
- <size>98</size>
- <position>104</position>
 </container>
 </stream_hook_path>
 </hook>
@@ -16248,31 +16253,35 @@
 </path>
 </file>
 <shared_ptr>
- <id>-24</id>
+ <id>-26</id>
 </shared_ptr>
 </pair>
 <pair>
 <hook>
 <stream_hook_path>
 <container>
- <size>1</size>
- F39D869016327CDFEA720920B2743F47989202BF5814B6556EC54A1B0FE562F8
- <weak>3703518029</weak>
- <size>147</size>
+ <size>2</size>
+ 9DF8D57248B036B570603802AAD3E0FC25D94268FCF31A2B395973D93FFE1CF5
+ <weak>1380075423</weak>
+ <size>208</size>
 <position>323</position>
+ 83E18B98A15DEF9418E38218D221D10DC093B915D630B51974CCD23A6E1EDC44
+ <weak>849683856</weak>
+ <size>98</size>
+ <position>104</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception.hpp</string>
+ <string>../../../../boost/exception/errinfo_nested_exception.hpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 <shared_ptr>
- <id>-65</id>
+ <id>-49</id>
 </shared_ptr>
 </pair>
 </sorted>
@@ -16303,112 +16312,112 @@
 <id>-5</id>
 </shared_ptr>
 </weak_ptr>
- <string>tutorial</string>
+ <string>error_info free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-6</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info_instance noalso type</string>
+ <string>function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
- <string>free function</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-13</id>
+ <id>-8</id>
 </shared_ptr>
 </weak_ptr>
- <string>noalso noindex tutorial</string>
+ <string>noindex tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
- <string>function</string>
+ <string>exception_ptr free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-16</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
- <string>noalso noindex tutorial</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>error_info_instance noalso type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-19</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
- <string>noindex tutorial</string>
+ <string>exception_ptr free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-20</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info</string>
+ <string>noindex</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-17</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-22</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
- <string>noindex</string>
+ <string>error_info_instance noalso type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-23</id>
+ <id>-19</id>
 </shared_ptr>
 </weak_ptr>
 <string></string>
@@ -16420,25 +16429,25 @@
 <id>-24</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info_instance noalso type</string>
+ <string>tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-25</id>
+ <id>-22</id>
 </shared_ptr>
 </weak_ptr>
- <string>function member</string>
+ <string>tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-26</id>
+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info_instance noalso type</string>
+ <string>noalso noindex tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16447,52 +16456,52 @@
 <id>-27</id>
 </shared_ptr>
 </weak_ptr>
- <string>tutorial</string>
+ <string>noalso noindex tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-28</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
- <string>function</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-30</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string>exception_ptr</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-30</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr free function</string>
+ <string>error_info_instance noalso type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-31</id>
+ <id>-32</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string>function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-32</id>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
- <string>diagnostic_information tutorial</string>
+ <string>error_info_instance noalso type</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16501,7 +16510,7 @@
 <id>-35</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>exception_ptr free function</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16510,7 +16519,7 @@
 <id>-36</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info_instance noalso type</string>
+ <string>free function</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16519,13 +16528,22 @@
 <id>-37</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr free function</string>
+ <string>error_info_instance noalso type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-38</id>
+ </shared_ptr>
+ </weak_ptr>
+ <string></string>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-39</id>
 </shared_ptr>
 </weak_ptr>
 <string>noalso noindex tutorial</string>
@@ -16534,25 +16552,25 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info free function</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-44</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string>diagnostic_information tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <string></string>
@@ -16561,25 +16579,25 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-47</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
- <string>function member</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-48</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr free function</string>
+ <string>exception_ptr type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <string>error_info</string>
@@ -16588,64 +16606,64 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-49</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>error_info_instance noalso type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-50</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info_instance noalso type</string>
+ <string>noindex</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-55</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr</string>
+ <string>diagnostic_information free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-56</id>
+ <id>-53</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info_instance noalso type</string>
+ <string>function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-57</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
- <string>free function</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-56</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info_instance noalso type</string>
+ <string>error_info</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-57</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr type</string>
+ <string>function member</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16654,7 +16672,7 @@
 <id>-60</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info_instance noalso type</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16663,7 +16681,7 @@
 <id>-61</id>
 </shared_ptr>
 </weak_ptr>
- <string>macro</string>
+ <string>function member</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16672,7 +16690,7 @@
 <id>-62</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr free function</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16681,7 +16699,7 @@
 <id>-63</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info free function</string>
+ <string>free function</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16690,7 +16708,7 @@
 <id>-64</id>
 </shared_ptr>
 </weak_ptr>
- <string>function</string>
+ <string>error_info_instance noalso type</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16699,16 +16717,16 @@
 <id>-65</id>
 </shared_ptr>
 </weak_ptr>
- <string>noindex</string>
+ <string>tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
- <string>diagnostic_information free function</string>
+ <string>error_info free function</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16717,7 +16735,7 @@
 <id>-69</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>noindex tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16726,31 +16744,22 @@
 <id>-70</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-9</id>
- </shared_ptr>
- </weak_ptr>
 <string>tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
- <string>tutorial</string>
+ <string>exception_ptr free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <string>error_info free function</string>
@@ -16759,28 +16768,28 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
+ <id>-73</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info free function</string>
+ <string>function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-77</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
- <string>function</string>
+ <string>error_info_instance noalso type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-78</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>macro</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16789,7 +16798,7 @@
 <id>-79</id>
 </shared_ptr>
 </weak_ptr>
- <string>noindex tutorial</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -16798,7 +16807,7 @@
 <id>-80</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string>error_info free function</string>
 </pair>
 </sorted>
 </tag_index>

Modified: trunk/libs/exception/test/no_exceptions_test.cpp
==============================================================================
--- trunk/libs/exception/test/no_exceptions_test.cpp (original)
+++ trunk/libs/exception/test/no_exceptions_test.cpp 2009-12-03 20:29:22 EST (Thu, 03 Dec 2009)
@@ -11,7 +11,18 @@
#include <boost/detail/lightweight_test.hpp>
#include <stdlib.h>

-struct my_exception: boost::exception, std::exception { };
+struct
+my_exception:
+ boost::exception,
+ std::exception
+ {
+ char const *
+ what() const throw()
+ {
+ return "my_exception";
+ }
+ };
+
typedef boost::error_info<struct my_tag,int> my_int;

bool called=false;

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