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Subject: [Boost-commit] svn:boost r54842 - in trunk/libs/exception: doc doc/source example
From: emil_at_[hidden]
Date: 2009-07-09 16:51:13

Author: emildotchevski
Date: 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
New Revision: 54842
URL: http://svn.boost.org/trac/boost/changeset/54842

Log:
Examples/documentation update
Text files modified:
   trunk/libs/exception/doc/diagnostic_information.html | 2
   trunk/libs/exception/doc/source/boost-exception.reno | 7680 ++++++++++++++++++++--------------------
   trunk/libs/exception/doc/tutorial_diagnostic_information.html | 2
   trunk/libs/exception/doc/tutorial_exception_ptr.html | 2
   trunk/libs/exception/doc/tutorial_transporting_data.html | 8
   trunk/libs/exception/example/cloning_1.cpp | 2
   trunk/libs/exception/example/error_info_1.cpp | 2
   trunk/libs/exception/example/error_info_2.cpp | 2
   trunk/libs/exception/example/example_io.cpp | 18
   trunk/libs/exception/example/info_tuple.cpp | 2
   10 files changed, 3859 insertions(+), 3861 deletions(-)

Modified: trunk/libs/exception/doc/diagnostic_information.html
==============================================================================
--- trunk/libs/exception/doc/diagnostic_information.html (original)
+++ trunk/libs/exception/doc/diagnostic_information.html 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
@@ -64,7 +64,7 @@
<div class="RenoIncludeDIV"><h4>Example:</h4>
this is a possible output from the diagnostic_information function, as used in libs/exception/example/example_io.cpp:
<pre>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>
+Dynamic exception type: class boost::exception_detail::clone_impl<struct fopen_error>
std::exception::what: example_io error
[struct boost::errinfo_api_function_ *] = fopen
[struct boost::errinfo_errno_ *] = 2, "No such file or directory"

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 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
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 <title>
- <string>boost/exception/errinfo_file_open_mode.hpp</string>
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 <string></string>
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 <file>
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- <string>../../../../boost/exception/errinfo_file_handle.hpp</string>
+ <string>../../../../boost/exception/diagnostic_information.hpp</string>
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(:include </string>
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 };@]
</string>
+ <size>0</size>
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</string>
+ <size>0</size>
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+ <size>9</size>
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+ <id>-43</id>
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- <string><struct errinfo_type_info_name_,std::string> </string>
+ <string>:)
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(:include </string>
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(:include </string>
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+ <id>-51</id>
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+ <string> decl pre_indent="4":)
(:include </string>
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+ <string> decl pre_indent="4":)
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+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-61</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -4376,18 +4376,7 @@
 </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>-65</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -4409,18 +4398,7 @@
 </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>-17</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -4442,18 +4420,7 @@
 </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>-46</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -4475,17 +4442,6 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-13</id>
- </shared_ptr>
- </weak_ptr>
- <container>
 <size>3</size>
 <variant>2</variant>
 <string>[@(:include </string>
@@ -4493,7 +4449,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -4504,6 +4460,17 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
+ <id>-13</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
 <id>-14</id>
 </shared_ptr>
 </weak_ptr>
@@ -4526,11 +4493,11 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-43</id>
+ <id>-24</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl:)@]
</string>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -4541,7 +4508,18 @@
 </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>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -4585,27 +4563,7 @@
 </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>-66</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>-71</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -4660,18 +4618,7 @@
 </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>-41</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -4682,18 +4629,7 @@
 </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>-51</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -4704,63 +4640,7 @@
 </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>-69</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>-72</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-22</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-7</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-50</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -4782,18 +4662,7 @@
 </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>-53</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -4804,7 +4673,18 @@
 </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>-18</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -4815,7 +4695,27 @@
 </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>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-26</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -4925,27 +4825,7 @@
 </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>-9</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-35</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -4989,7 +4869,18 @@
 </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>-38</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -5000,7 +4891,54 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>11</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-29</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

typedef (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<struct tag_throw_function,char const *> throw_function;
typedef (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<struct tag_throw_file,char const *> throw_file;
typedef (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<struct tag_throw_line,int> throw_line;@]
</string>
 </container>
 </pair>
 <pair>
@@ -5022,14 +4960,14 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
+ <size>13</size>
 <variant>2</variant>
 <string>[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5038,7 +4976,43 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-24</id>
+ <id>-20</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-66</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-72</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-74</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5053,7 +5027,18 @@
 </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>-13</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -5064,7 +5049,18 @@
 </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>-25</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -5097,7 +5093,18 @@
 </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>-5</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -5119,54 +5126,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>11</size>
+ <size>3</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> def:)

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-9</id>
+ <id>-32</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl:)

typedef (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-9</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)<struct tag_throw_function,char const *> throw_function;
typedef (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-9</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)<struct tag_throw_file,char const *> throw_file;
typedef (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-9</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)<struct tag_throw_line,int> throw_line;@]
</string>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -5250,11 +5221,11 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-22</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl:)@]
</string>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -5320,39 +5291,6 @@
 </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>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-69</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-70</id>
- </shared_ptr>
- </weak_ptr>
- <container>
 <size>3</size>
 <variant>2</variant>
 <string>[@(:include </string>
@@ -5360,40 +5298,18 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-23</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> decl:)@]
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-71</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-72</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
+ <string> def:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-68</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5404,29 +5320,38 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
 <string>[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> def:)@]
</string>
+ <string> decl:)

namespace
boost
 {
(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-65</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-75</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5437,7 +5362,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-47</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5446,7 +5371,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5455,7 +5380,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5464,7 +5389,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5473,7 +5398,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5482,7 +5407,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-13</id>
+ <id>-39</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5491,7 +5416,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5500,7 +5425,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-52</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5509,7 +5434,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-25</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5518,7 +5443,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-49</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5527,7 +5452,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5536,7 +5461,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
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+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5545,7 +5470,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
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+ <id>-67</id>
 </shared_ptr>
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 <variant>2</variant>
@@ -5554,7 +5479,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
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+ <id>-61</id>
 </shared_ptr>
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 <variant>2</variant>
@@ -5565,43 +5490,7 @@
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 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
- </shared_ptr>
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- <container>
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- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-34</id>
- </shared_ptr>
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- <variant>2</variant>
- <string> def:)@]
</string>
- </container>
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- </shared_ptr>
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- <pair>
- <string>decl</string>
- <shared_ptr>
- <id>79</id>
- <type>
- <string>reno_layer</string>
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- <sorted>
- <size>72</size>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-5</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5612,7 +5501,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-6</id>
+ <id>-72</id>
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 </weak_ptr>
 <container>
@@ -5623,38 +5512,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-73</id>
 </shared_ptr>
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 <container>
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- <variant>2</variant>
- <string>[@(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-72</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
 <variant>2</variant>
- <string>:) (:link </string>
+ <string>[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();@]
</string>
+ <string> decl:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-8</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5665,29 +5545,63 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-76</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</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>-9</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:);@]
</string>
+ <string> decl:)

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-42</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@]
</string>
 </container>
 </pair>
+ </sorted>
+ </object>
+ </shared_ptr>
+ </pair>
+ <pair>
+ <string>decl</string>
+ <shared_ptr>
+ <id>79</id>
+ <type>
+ <string>reno_layer</string>
+ </type>
+ <object>
+ <sorted>
+ <size>72</size>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-5</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5698,7 +5612,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-6</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5709,69 +5623,154 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
+ <size>19</size>
 <variant>2</variant>
- <string>[@template <class E>
std::string (:link </string>
+ <string>[@#if !defined( BOOST_EXCEPTION_DISABLE )
 #include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)( E const & e );

std::string (:link </string>
+ <string>:)>
 #include <boost/current_function.hpp>
 #define (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)( </string>
+ <string>:)(x)\
 ::boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> const & p );@]
</string>
+ <string>:)( ::boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-9</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)(x) <<\
 ::boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-45</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>|throw_function:)(BOOST_CURRENT_FUNCTION) <<\
 ::boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-45</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>|throw_file:)(__FILE__) <<\
 ::boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-45</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>|throw_line:)((int)__LINE__) )
#else
 #define (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-7</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)(x) ::boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-65</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)(x)
#endif@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-13</id>
+ <id>-8</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-75</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="m":) const & (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-8</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="m":)() const;@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</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 & x );@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5782,18 +5781,38 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-16</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@class
(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-11</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:):
 public std::exception
 public boost::</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-29</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>
 {
 ---unspecified---
 };@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5804,7 +5823,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-13</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@template <class E>
E * </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-13</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>();@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-14</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5815,7 +5856,7 @@
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 <expired>0</expired>
 <shared_ptr>
- <id>-19</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5826,7 +5867,7 @@
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 <expired>0</expired>
 <shared_ptr>
- <id>-20</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5837,58 +5878,29 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-17</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>[@(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-21</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="m":)( (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-23</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="m":) const & v );@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-22</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>[@template <class T>
(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-72</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
 <variant>2</variant>
- <string>:) (:link </string>
+ <string>[@template <class T>
---unspecified--- (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-22</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -5899,51 +5911,49 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-23</id>
+ <id>-19</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>-23</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="m":);@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-24</id>
+ <id>-20</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@std::string (:link </string>
+ <string>[@typedef (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-24</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();@]
</string>
+ <string>:)<struct tag_original_exception_type,std::type_info const *> </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-20</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>;@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-25</id>
+ <id>-21</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5954,7 +5964,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-26</id>
+ <id>-22</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5965,7 +5975,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-23</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5976,7 +5986,7 @@
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 <expired>0</expired>
 <shared_ptr>
- <id>-28</id>
+ <id>-24</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5987,7 +5997,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -5998,62 +6008,7 @@
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 <expired>0</expired>
 <shared_ptr>
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- </shared_ptr>
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- <container>
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- </container>
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- <weak_ptr>
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- <container>
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- </container>
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- <weak_ptr>
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- <container>
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- </container>
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- <weak_ptr>
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- <container>
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- <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>
- <id>-35</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6064,7 +6019,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -6073,7 +6028,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -6084,7 +6039,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6095,7 +6050,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-23</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -6104,7 +6059,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -6115,7 +6070,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6126,7 +6081,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6137,7 +6092,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -6148,7 +6103,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-30</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6159,7 +6114,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6170,7 +6125,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-41</id>
+ <id>-32</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6181,40 +6136,60 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@void (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-33</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)( (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-66</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) const & ep );</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-43</id>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@template <class E>
E * </string>
+ <string>[@(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-43</id>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>();@]
</string>
+ <string> mod="m":)();@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-44</id>
+ <id>-35</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6225,7 +6200,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-36</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6236,7 +6211,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6247,7 +6222,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-47</id>
+ <id>-38</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6258,120 +6233,113 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-48</id>
+ <id>-39</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>[@typedef (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-9</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>-48</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>;@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>7</size>
 <variant>2</variant>
- <string>[@(:link </string>
+ <string>[@template <class E>
std::string (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="m":)();
(:link </string>
+ <string>:)( E const & e );

std::string (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="m":)( (:link </string>
+ <string>:)( </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) const & x );@]
</string>
+ <string> const & p );@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-41</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>[@void (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-50</id>
- </shared_ptr>
- </weak_ptr>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-42</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
 <variant>2</variant>
- <string>:)( (:link </string>
+ <string>[@std::string (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) const & ep );</string>
+ <string>:)();@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@template <class Tag,class T>
class (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:);@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6382,7 +6350,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6393,7 +6361,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6404,7 +6372,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-55</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6415,7 +6383,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-56</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6426,7 +6394,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-57</id>
+ <id>-49</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6437,58 +6405,78 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-50</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>7</size>
 <variant>2</variant>
- <string>[@template <class E, class Tag1, class T1, ..., class TagN, class TN>
E const & (:link </string>
+ <string>[@(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-50</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":)( E const & x,
 (:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:)<
 (:link </string>
+ <string> mod="m":)();
(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-50</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<Tag1,T1>,
 ...,
 (:link </string>
+ <string> mod="m":)( (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<TagN,TN> > const & v );@]
</string>
+ <string>:) const & x );@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-51</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="m":)( (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-75</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>-60</id>
+ <id>-52</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6499,7 +6487,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-53</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6510,7 +6498,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6521,167 +6509,51 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@template <class T>
---unspecified--- (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-63</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)( T const & e );@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-64</id>
+ <id>-56</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-64</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="m":)();@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-65</id>
+ <id>-57</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@template <class T>
---unspecified--- (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-65</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)( T const & x );@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-58</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>19</size>
- <variant>2</variant>
- <string>[@#if !defined( BOOST_EXCEPTION_DISABLE )
 #include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-54</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)>
 #include <boost/current_function.hpp>
 #define (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-66</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)(x)\
 ::boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-71</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)( ::boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-65</id>
- </shared_ptr>
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- <string>:)(x) <<\
 ::boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-54</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>|throw_function:)(BOOST_CURRENT_FUNCTION) <<\
 ::boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-54</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>|throw_file:)(__FILE__) <<\
 ::boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-54</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>|throw_line:)((int)__LINE__) )
#else
 #define (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-66</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)(x) ::boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-71</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)(x)
#endif@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-67</id>
+ <id>-59</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6692,69 +6564,80 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <string>[@(:link </string>
- <variant>1</variant>
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- <expired>0</expired>
- <shared_ptr>
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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>-68</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="m":)() const;@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-61</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-62</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-63</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>7</size>
 <variant>2</variant>
- <string>[@class
(:link </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>-69</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:):
 public std::exception
 public boost::</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>-38</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>
 {
 ---unspecified---
 };@]
</string>
+ <string>:)<Tag1,T1>,
 ...,
 (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</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>-64</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6765,7 +6648,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6776,7 +6659,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -6785,7 +6668,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-65</id>
 </shared_ptr>
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 <variant>2</variant>
@@ -6796,7 +6679,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6807,7 +6690,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -6818,7 +6701,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6829,7 +6712,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-74</id>
+ <id>-68</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6840,7 +6723,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-75</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -6851,263 +6734,387 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>0</size>
 </container>
 </pair>
- </sorted>
- </object>
- </shared_ptr>
- </pair>
- <pair>
- <string>include</string>
- <shared_ptr>
- <id>80</id>
- <type>
- <string>reno_layer</string>
- </type>
- <object>
- <sorted>
- <size>72</size>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-5</id>
+ <id>-71</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>73</size>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-72</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
 <variant>2</variant>
- <string>!!Synopsis

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

`#include <(:link </string>
+ <string>[@template <class T>
(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-66</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>-54</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
- <variant>1</variant>
+ <string>:)( T const & e );@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-73</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-74</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@(:link </string>
+ <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-66</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>-61</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:)();@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-75</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>-40</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string> mod="m":);@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-76</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ </sorted>
+ </object>
+ </shared_ptr>
+ </pair>
+ <pair>
+ <string>include</string>
+ <shared_ptr>
+ <id>80</id>
+ <type>
+ <string>reno_layer</string>
+ </type>
+ <object>
+ <sorted>
+ <size>72</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 !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </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::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-13</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>.</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-6</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>27</size>
+ <variant>2</variant>
+ <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>-13</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:) a base type. In this case, the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-6</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </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>-6</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(:link </string>
+ <string>:) anyway. Here is an example:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-47</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:)>
#include <stdexcept>

typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-47</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(: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>-15</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </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>-15</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(: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>-27</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </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>-27</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(: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>-39</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:) and T. This makes it possible to use (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <(: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>-20</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

[@(:include </string>
+ <string>:) &, so that (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-20</id>
+ <id>-53</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)@]

`#include <</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>-7</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>-10</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

(:include </string>
+ <string>. To recover this information at the catch site, use </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <</string>
+ <string>; the information is also included in the message returned by </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-25</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

(:include </string>
+ <string>.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-8</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>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-25</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <</string>
+ <string>:)'s constructor stored in the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-29</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

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

!!!!Throws:

Nothing.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-9</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>
@@ -7116,61 +7123,74 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <</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>-76</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

(:include </string>
+ <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>-10</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>-76</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <</string>
+ <string>:)>
#include <iostream>

typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-8</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

(: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>-8</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#include <</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>-74</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

(:include </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>-74</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

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

Finally, (3) illustrates how the typedef from (1) can be used with (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -7179,211 +7199,264 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

(: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>-26</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)

`#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>-75</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

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

(:include synopsis:)

This type is used by the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-75</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>:) support in Boost Exception. Please see (: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>-6</id>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>1</size>
 <variant>2</variant>
- <string>(:auto !!!:)

!!!Synopsis

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

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-13</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>33</size>
+ <size>1</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

The (: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>-14</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>37</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

When you catch an exception, you can call (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function must not be called outside of a catch block.

!!!!Returns:

* An (:link </string>
+ <string>:) to get an (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <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>
+ <string>:) object:

[@#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <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>:)>
#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>-7</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) refer to the same exception object.
* Correct implementation of (:link </string>
+ <string>:)s

void
worker_thread( boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) may require compiler support, unless (:link </string>
+ <string>:) & error )
 {
 try
 {
 do_work();
 error = boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-66</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>:)();
 }
 catch(
 ... )
 {
 error = boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> fails to properly copy the current exception object, it returns an </string>
+ <string>:)();
 }
 }@]

In the above example, note that (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-74</id>
 </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>:) 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>-69</id>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> as a final fallback. All such types derive from boost::</string>
+ <string>:) function:

[@// ...continued

void
work()
 {
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>, and:
** if the original exception object derives from 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>-38</id>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), then the boost::(:link </string>
+ <string>:)(error);
 }@]

Note that (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) sub-object of the object referred to by the returned </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>-72</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> is initialized by the 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>-38</id>
+ <id>-18</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>:) 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>-36</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string><</string>
+ <string>:) points to an instance of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-48</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>.
</string>
+ <string>:).

Regardless, the use of (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-74</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) and (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-33</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) in the above examples is well-formed.
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-8</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -7396,49 +7469,62 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>37</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 !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-17</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>19</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>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<Tag,T> can be passed to (: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>-35</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":) to be stored in objects of type boost::(: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>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

!!!!Usage:

The header <(: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>-61</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)> provides a declaration of the (:link </string>
+ <string>:) and (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -7447,662 +7533,645 @@
 </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>:) are integrated directly in the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

struct tag_errno;
typedef boost::(: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>-9</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<tag_errno,int> errno_info;@]

Or, the shorter equivalent:

[@#include <(: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>-61</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

typedef boost::(: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>-9</id>
+ <id>-40</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> (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>-18</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>-35</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":) (#include <(: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>-40</id>
+ <id>-18</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>:)(my_exception());@]

Unless (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:):

[@throw file_read_error() (: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>-35</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) errno_info(errno);@]

It can also be passed to (:link </string>
+ <string>:) may return an (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) (#include <(:link </string>
+ <string>:) which refers to an instance of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)> first) to retrieve the tag_errno int from a boost::(:link </string>
+ <string>:). See (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:):

[@catch( boost::(: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>-38</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & x )
 {
 if( int const * e=boost::(: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>-36</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)<errno_info>(x) )
 ....
 }@]
</string>
+ <string>:) and supports the (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-66</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) functionality.
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-19</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>-11</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>
+ <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>-38</id>
+ <id>-18</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>
+ <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>-60</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":).
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-12</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>:) are guaranteed to derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), the returned value contains the string representations of all (:link </string>
+ <string>:) and to support cloning.

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-35</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) objects stored in the boost::(:link </string>
+ <string>:)
(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-14</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) through (:link </string>
+ <string>:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-20</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>9</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

This </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-43</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> typedef is used by </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:);
**otherwise the returned value contains the what() string.
*Otherwise, the boost::(:link </string>
+ <string> if it defaults to returning an </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) template is not available.

The string representation of each (:link </string>
+ <string> that refers to an object of type </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-11</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>, 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>-21</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>-22</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
+ <variant>2</variant>
+ <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>-9</id>
+ <id>-43</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> instance for transporting strings returned by std::type_info::name in exceptions deriving from boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-29</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> objects.</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-23</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
+ <variant>2</variant>
+ <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>-68</id>
+ <id>-43</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> instance for transporting the string passed as a second argument to fopen in exceptions indicating fopen failures and deriving from boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-29</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>.</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-24</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
+ <variant>2</variant>
+ <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>-12</id>
+ <id>-43</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> instance for transporting a relevant FILE pointer managed by a boost::shared_ptr<FILE> in exceptions deriving from boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-29</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 </string>
+ <string>.</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:)

This type is designed to be used as a standard </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> overload of </string>
+ <string> instance for transporting a relevant errno value in exceptions deriving from boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> is equivalent to:

[@if( p )
 try
 {
 </string>
+ <string>.</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-26</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>-50</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>(p);
 }
 catch(...)
 {
 return </string>
+ <string>:), or a type that derives (indirectly) from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-24</id>
+ <id>-29</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>:).

!!!!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>-31</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-13</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ <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>-14</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>19</size>
+ <size>13</size>
 <variant>2</variant>
- <string>(:auto !!:)

Boost Exception provides a namespace-scope function (:link </string>
+ <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>-12</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) which takes a boost::(: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>-38</id>
+ <id>-29</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>:) 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>-38</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) through (: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>-35</id>
+ <id>-27</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>:) become invalid.

!!!!Throws:

Nothing.

!!!!Note:

The interface of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-75</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <iostream>

void f(); //throws unknown types that derive from boost::(:link </string>
+ <string>:) may be affected by the build (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-17</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>-28</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>71</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>-38</id>
+ <id>-41</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & e )
 {
 std::cerr << (: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>-12</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(e);
 }
 }@]

(:include </string>
+ <string>:) derives from std::exception, using the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-31</id>
+ <id>-9</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>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-16</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>
+ <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>-40</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(: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>-29</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <stdio.h>
#include <errno.h>

class file_read_error: public boost::(:link </string>
+ <string>:) to an active exception object:

[@catch( boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</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>:) & e )
 {
 e (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(file_read_error()) <<
 boost::(:link </string>
+ <string>|<<:) foo_info(foo);
 throw e; //Compile error: boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(errno);
 }@]

Of course, (:link </string>
+ <string>:) is abstract
 }@]

The correct code is:

[@catch( boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-29</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>-38</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).
</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:)

This type is designed to be used as a standard </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>-9</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> instance for transporting a relevant file name in exceptions deriving from boost::</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>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>.</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 !:)

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>-19</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>3</size>
- <variant>2</variant>
- <string>(:auto !!:)

This header has been deprecated.

Please #include <</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>-75</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>> instead.</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>3</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

Stores a copy of v in the </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>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> object.

(:include throws:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-22</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

As if

[@try
 {
 throw </string>
+ <string>:) and that it is compatible with boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>(e);
 }
catch(...)
 {
 return (:link </string>
+ <string>:).

The (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -8111,337 +8180,278 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();
 }@]
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-23</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Definition:

The expression </string>
+ <string>:) macro also results in a call to boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string><Tag,T>::(: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>-23</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="m":) evaluates to T.</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <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>
+ <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>-38</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) or std::exception, this function returns the same string value returned by (: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>-12</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) for the current exception object. Otherwise, an unspecified non-empty string is returned.

Typical use is to call </string>
+ <string>:) is used:

[@example_io.cpp(83): Throw in function void parse_file(const char *)
Dynamic exception type: class file_open_error
std::exception::what: example_io error
[struct tag_errno_code *] = 2, OS says "No such file or directory"
[struct tag_file_name *] = tmp1.xml
[struct tag_function *] = fopen
[struct tag_open_mode *] = rb@]
!!!Why is boost::exception integrated in boost::throw_exception?

The boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-24</id>
+ <id>-65</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>:) 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>-24</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>();
 }
 }@]
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-25</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>-26</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>-27</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>:) as a base of any exception passed to boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-65</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>-28</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>19</size>
+ <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>-29</id>
+ </shared_ptr>
+ </weak_ptr>
 <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>
+ <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>-38</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) allows us to free the file_read function from the burden of storing the file name in exceptions it throws:

[@(: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>-75</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <errno.h>

class file_read_error: public boost::(:link </string>
+ <string>:). If Boost Serialization calls boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-65</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 file_read_error() << boost::(: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>-53</id>
+ <id>-29</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>:), it is often desirable to add one or more (: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>:)>
#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 in it. The syntactic sugar provided by (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & e )
 {
 e << boost::(: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>-17</id>
+ <id>-26</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>|<<:) foo_info(foo) (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-26</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>|<<:) 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>-38</id>
+ <id>-26</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>-29</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <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>-26</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>-30</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string> mod="/":) fails to copy the std::string contained in the file_name </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!:)

(:pagelist fmt="index" tags="type":)
</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>-31</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>11</size>
+ <size>13</size>
 <variant>2</variant>
- <string>!!!!Example:

this is a possible output from the (:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

Class boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-29</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<class fopen_error>
std::exception::what: example_io error
[struct boost::(: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>-46</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = fopen
[struct 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>-53</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = 2, "No such file or directory"
[struct boost::(:link </string>
+ <string>:) wrapper and (:link </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>:)_ *] = tmp1.txt
[struct boost::(:link </string>
+ <string> mod="/":).

To retrieve data from a boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)_ *] = rb@]
</string>
+ <string>:) object, use the (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-27</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) function template.
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-32</id>
+ <id>-30</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>1</size>
 <variant>2</variant>
- <string>(:auto !!:)

(:pagelist tags="macro":)
</string>
+ <string>(:auto !!!:)

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-33</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>1</size>
 <variant>2</variant>
- <string>(:auto !!:)

(:pagelist tags="hpp" except_tags="noindex":)
</string>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-32</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -8452,16 +8462,16 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-43</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::</string>
+ <string> instance for transporting a relevant text file line number, for example in parse error exceptions deriving from boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -8472,522 +8482,640 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
+ <id>-33</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>-34</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>-29</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) object.

!!!!Throws:



Nothing.
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
 <id>-35</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
+ <size>15</size>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

E must be boost::(:link </string>
+ <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>-38</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), or a type that derives (indirectly) from boost::(:link </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-49</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>:)>
#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>-9</id>
+ <id>-29</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>-36</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>13</size>
+ <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>-18</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

* ErrorInfo must be an instance of the (:link </string>
+ <string>:)(file_read_error()) <<
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) template.
* E must be polymorphic.

!!!!Returns:

* If dynamic_cast<boost::(:link </string>
+ <string>:)(errno);
 }@]

Of course, (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-18</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>:) 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>-35</id>
+ <id>-29</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>:).
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-36</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
+ <variant>2</variant>
+ <string>(:auto !!:)

This header has been deprecated.

Please #include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) become invalid.

!!!!Throws:

Nothing.

!!!!Note:

The interface of (:link </string>
+ <string>> instead.</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-37</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>-38</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
+ <variant>2</variant>
+ <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>-36</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) may be affected by the build (:link </string>
+ <string> instance for transporting a relevant file name in exceptions deriving from boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).
</string>
+ <string>.</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-37</id>
+ <id>-39</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>71</size>
+ <size>1</size>
 <variant>2</variant>
- <string>(:auto !!:)

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

Despite that (:link </string>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-40</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>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-29</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>
+ <string>:), the returned value contains the string representations of all (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) derives from std::exception, using the (:link </string>
+ <string>:) objects stored in the boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-65</id>
+ <id>-29</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>
+ <string>:) through (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-26</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>
+ <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>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) to an active exception object:

[@catch( 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>-38</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & e )
 {
 e (: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>-35</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) foo_info(foo);
 throw e; //Compile error: 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>-38</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) is abstract
 }@]

The correct code is:

[@catch( boost::(: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>-38</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & e )
 {
 e (:link </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>-35</id>
+ <id>-8</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> 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>-38</id>
+ <id>-8</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) does not by itself cause dynamic memory allocations.

Deriving from boost::(:link </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>-40</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>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-43</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>:) object to string, and ''an unspecified stub string value is used without issuing a compile error.''

The </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-66</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> overload of </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and that it is compatible with boost::(:link </string>
+ <string> is equivalent to:

[@if( p )
 try
 {
 </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

The (:link </string>
+ <string>(p);
 }
 catch(...)
 {
 return </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-66</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) macro also results in a call to boost::(:link </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>-71</id>
+ <id>-59</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>:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-41</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>-12</id>
+ <id>-29</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>:) 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>-12</id>
+ <id>-58</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> mod="w":).
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-42</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>-66</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) is used:

[@example_io.cpp(83): Throw in function void parse_file(const char *)
Dynamic exception type: class file_open_error
std::exception::what: example_io error
[struct tag_errno_code *] = 2, OS says "No such file or directory"
[struct tag_file_name *] = tmp1.xml
[struct tag_function *] = fopen
[struct tag_open_mode *] = rb@]
!!!Why is boost::exception integrated in boost::throw_exception?

The 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>-71</id>
+ <id>-40</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>:) 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>-38</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) as a base of any exception passed to boost::(:link </string>
+ <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>-71</id>
+ <id>-42</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>();
 }
 }@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>37</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>-38</id>
+ <id>-43</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>:)<Tag,T> can be passed to (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), but this requires that Boost Serialization throws exceptions using boost::(: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>-63</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). If Boost Serialization calls boost::(:link </string>
+ <string>:).

!!!!Usage:

The header <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-16</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>:)> provides a declaration of the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:), it is often desirable to add one or more (: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>-9</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) objects in it. The syntactic sugar provided by (:link </string>
+ <string>:)>

struct tag_errno;
typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) allows this to be done directly in a throw expression:

[@throw 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>-35</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) foo_info(foo) (:link </string>
+ <string>:)>

typedef boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-43</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>:)<struct tag_errno,int> errno_info;@]

This errno_info typedef can be passed to (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-26</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="/":) (#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":) fails to copy the std::string contained in the file_name </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>-9</id>
+ <id>-29</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>-38</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>13</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

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

[@throw file_read_error() (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-26</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>|<<:) errno_info(errno);@]

It can also be passed to (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) can store data of arbitrary types, using the (:link </string>
+ <string>:) (#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) wrapper and (: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>-35</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="/":).

To retrieve data from a boost::(:link </string>
+ <string>:):

[@catch( boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object, use the (:link </string>
+ <string>:) & x )
 {
 if( int const * e=boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function template.
</string>
+ <string>:)<errno_info>(x) )
 ....
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <container>
 <size>1</size>
 <variant>2</variant>
- <string>(:auto !!!:)

!!!Synopsis

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

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -9000,507 +9128,355 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-41</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>5</size>
- <variant>2</variant>
- <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>-9</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::</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>.</string>
+ <string>(:auto !!:)

(:pagelist fmt="index" tags="type":)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-47</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>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-63</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>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-71</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) are guaranteed to derive from boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-38</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) and to support cloning.

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-16</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
 <variant>2</variant>
- <string>:)
(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-73</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>:)
</string>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-43</id>
+ <id>-49</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>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-44</id>
+ <id>-50</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>27</size>
- <variant>2</variant>
- <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>-38</id>
- </shared_ptr>
- </weak_ptr>
+ <size>7</size>
 <variant>2</variant>
- <string>:) a base type. In this case, the (: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>-65</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function template can be used to make exception objects derive from boost::(:link </string>
+ <string>:) object.
* Copy constructor: initializes a boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) anyway. Here is an example:

[@#include <(:link </string>
+ <string>:) object which shares ownership with x of all data added through (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-75</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <stdexcept>

typedef boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-9</id>
- </shared_ptr>
- </weak_ptr>
+ <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>-51</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>3</size>
 <variant>2</variant>
- <string>:)<struct tag_std_range_min,size_t> std_range_min;
typedef boost::(: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>-9</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <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>-9</id>
- </shared_ptr>
- </weak_ptr>
+ <string> object.

(:include throws:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-52</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
 <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>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-65</id>
- </shared_ptr>
- </weak_ptr>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-53</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>11</size>
 <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>(:auto !!:)

All exception types that derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-65</id>
+ <id>-29</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>:) 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>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and T. This makes it possible to use (: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>-35</id>
+ <id>-10</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>:)
(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-56</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) &, so that (:link </string>
+ <string>:)
(:include </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>|more information can be added to the exception at a later time:).
</string>
+ <string>:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-54</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 <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-75</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>>
#include <iostream>

typedef boost::</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-9</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string><struct tag_my_info,int> my_info; //(1)

class my_error: public boost::</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>, public 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>-9</id>
- </shared_ptr>
- </weak_ptr>
+ <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>69</size>
 <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>!!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>-38</id>
+ <id>-19</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

Finally, (3) illustrates how the typedef from (1) can be used with (: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>-35</id>
+ <id>-65</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::</string>
+ <string>:) function.

!!Contents

#(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string><my_info>(x) )
 std::cerr << "My info: " << *mi;
 }
 }@]

The (:link </string>
+ <string>:)
#Tutorial
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-53</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>-46</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-6</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::</string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-19</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <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>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-48</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>9</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This </string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-58</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> typedef is used by </string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-41</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> if it defaults to returning an </string>
+ <string> mod="w":)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> that refers to an object of type </string>
+ <string> mod="w":)
#Documentation
##Class (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-29</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>-49</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>7</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include decl:)

!!!!Effects:

* Default constructor: initializes an empty boost::(:link </string>
+ <string>:)
##Throwing Exceptions
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object.
* Copy constructor: initializes a boost::(:link </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object which shares ownership with x of all data added through (:link </string>
+ <string>:)
##Transporting of Arbitrary Data to the Catch Site
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-43</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>-50</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>-51</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-26</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>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> objects.</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-52</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
+ <string>:)
###(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-27</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -9509,140 +9485,88 @@
 </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::</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>-38</id>
+ <id>-66</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>5</size>
- <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

This type is designed to be used as a standard </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> instance for transporting a relevant errno value in exceptions deriving from boost::</string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>.</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-54</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>-55</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>11</size>
- <variant>2</variant>
- <string>(:auto !!:)

All exception types that derive from boost::(:link </string>
+ <string>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-72</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>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-33</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>:)
###(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-11</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>-28</id>
+ <id>-40</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>-57</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-56</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>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-13</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|copying:) of exception objects, implemented non-intrusively and automatically by the boost::(:link </string>
+ <string>:)
#API
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
@@ -9651,396 +9575,483 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function.

!!Contents

#(:link </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-57</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
#Tutorial
##(:link </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-55</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-44</id>
+ <id>-21</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-68</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string>:)
##(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-60</id>
+ <id>-17</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string> mod="w":)
#(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-28</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
##(:link </string>
+ <string> mod="w":)
#(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
#Documentation
##Class (: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>-56</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>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##Throwing Exceptions
###(: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>-70</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </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>-71</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##Transporting of Arbitrary Data to the Catch Site
###(:link </string>
+ <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>-9</id>
+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(: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>-35</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(: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>-58</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:) & e )
 {
 e << boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-38</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(: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>-65</id>
+ <id>-29</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>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-29</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>:) 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>-57</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>-58</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>-72</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(: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>-63</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(: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>-7</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <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>-59</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>11</size>
+ <variant>2</variant>
+ <string>!!!!Example:

this is a possible output from the (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-22</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(: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>-50</id>
+ <id>-5</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
###(:link </string>
+ <string>:)_ *] = fopen
[struct boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##Diagnostic Information
###(:link </string>
+ <string>:)_ *] = 2, "No such file or directory"
[struct boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-38</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>-24</id>
+ <id>-23</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link </string>
+ <string>:)_ *] = rb@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-60</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>-43</id>
+ <id>-39</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
#API
##(:link </string>
+ <string>:)>
#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-5</id>
+ <id>-44</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>-33</id>
+ <id>-52</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>-30</id>
+ <id>-49</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(: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>-67</id>
+ <id>-5</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link </string>
+ <string>:),boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-32</id>
+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)
##(:link </string>
+ <string>:)> clib_failure;

struct file_open_error: virtual boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-62</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
#(: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>-37</id>
+ <id>-38</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> mod="w":)
#(: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>-18</id>
+ <id>-27</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>
+ <string>:).
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-57</id>
+ <id>-61</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>
 </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>(:auto !!:)

Boost Exception provides a namespace-scope function (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-13</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>:) which takes a boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-8</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(: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>
 <shared_ptr>
- <id>-10</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>
#include <(:link </string>
+ <string>:) through (:link </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>:)>
#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> 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>-46</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:),boost::(:link </string>
+ <string>:)>
#include <iostream>

void f(); //throws unknown types that derive from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)> clib_failure;

class file_open_error: public boost::(:link </string>
+ <string>:).

void
g()
 {
 try
 {
 f();
 }
 catch(
 boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</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>:) & e )
 {
 std::cerr << (: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>:)(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>:)(e);
 }
 }@]

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-59</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).
</string>
+ <string>:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -10051,7 +10062,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -10060,7 +10071,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -10071,7 +10082,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-59</id>
+ <id>-64</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -10082,7 +10093,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -10091,7 +10102,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -10100,7 +10111,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -10109,7 +10120,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -10118,7 +10129,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -10127,7 +10138,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -10136,7 +10147,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -10145,908 +10156,879 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-26</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>|<<:) errno_code(errno);
 }
catch( boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-29</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) & e )
 {
 e (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-26</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>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-29</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>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-27</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <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>-27</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <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>-40</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>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) objects added to a boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>|<<:) errno_code(errno);
 }
catch( boost::(:link </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>-65</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>-38</id>
+ <id>-65</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & e )
 {
 e (:link </string>
+ <string>:)(e) is equivalent to throw boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-18</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>:)(boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-9</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>:)(e)), unless BOOST_EXCEPTION_DISABLE is defined, in which case boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-65</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>:)(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>-36</id>
+ <id>-65</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>:) 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>-12</id>
+ <id>-65</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>:) 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>
 <shared_ptr>
- <id>-9</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) objects added to a boost::(:link </string>
+ <string>, or format an automatic diagnostic message using boost::</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). This is useful for inclusion in logs and other diagnostic objects.
</string>
+ <string>.</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-60</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>7</size>
+ <size>25</size>
 <variant>2</variant>
- <string>(:auto !!!:)

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

(:include synopsis:)

The (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-66</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>
+ <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>-38</id>
+ <id>-66</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>
+ <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>-38</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <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>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-61</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>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>19</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>:) object that refers to it.

Two instances of (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-66</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>:) 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>-36</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) can be used only with objects of type boost::(: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>-38</id>
+ <id>-66</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>:) 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>-63</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and (:link </string>
+ <string>:) object concurrently.
* While calling (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-65</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) are integrated directly in the (: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>-71</id>
+ <id>-33</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>:) 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>-66</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>:) can be added as (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-43</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>:) to any boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-29</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>:). 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>-63</id>
+ <id>-67</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>-72</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
 <variant>2</variant>
- <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>-63</id>
- </shared_ptr>
- </weak_ptr>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-68</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
 <variant>2</variant>
- <string>:)(my_exception());@]

Unless (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-63</id>
- </shared_ptr>
- </weak_ptr>
+ <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>1</size>
 <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>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-7</id>
- </shared_ptr>
- </weak_ptr>
+ <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>
 <variant>2</variant>
- <string>:) may return an (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-72</id>
- </shared_ptr>
- </weak_ptr>
+ <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-71</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>73</size>
 <variant>2</variant>
- <string>:) which refers to an instance of (: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>-69</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). See (:link </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-45</id>
 </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> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:). This is guaranteed to throw an exception that derives from boost::(:link </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and supports the (:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) functionality.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-64</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>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object.

!!!!Throws:



Nothing.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-65</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>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-39</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>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-39</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>-66</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>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-73</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>. To recover this information at the catch site, use </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-73</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>; the information is also included in the message returned by </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-76</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="function":)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-68</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>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)'s constructor stored in the (:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object.

!!!!Throws:

Nothing.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-69</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 </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) support in Boost Exception. Please see (:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-70</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>-71</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>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(e) is equivalent to throw boost::(: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>:)(boost::(:link </string>
+ <string>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-65</id>
+ <id>-30</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(e)), unless BOOST_EXCEPTION_DISABLE is defined, in which case boost::(:link </string>
+ <string> synopsis:)@]

`#include <(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-69</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>:)>

[@(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-69</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> synopsis:)@]

`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-52</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>>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-52</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>, or format an automatic diagnostic message using boost::</string>
+ <string> synopsis:)

`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>.</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-72</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>25</size>
+ <string>>

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-54</id>
+ </shared_ptr>
+ </weak_ptr>
 <variant>2</variant>
- <string>(:auto !!!:)

(:include synopsis:)

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

`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-49</id>
 </shared_ptr>
 </weak_ptr>
 <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>>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-49</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> synopsis:)

`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-15</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object that refers to it.

Two instances of (:link </string>
+ <string>>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-15</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>
+ <string> synopsis:)

`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <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>
+ <string>>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) references to the same exception object.
* It is illegal for multiple threads to modify the same (:link </string>
+ <string> synopsis:)

`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-67</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object concurrently.
* While calling (:link </string>
+ <string>>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-67</id>
 </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> synopsis:)

`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-61</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>>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-61</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) can be added as (:link </string>
+ <string> synopsis:)

`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-70</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) to any boost::(:link </string>
+ <string>>

(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-70</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> synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>37</size>
+ <size>5</size>
 <variant>2</variant>
- <string>(:auto !!!:)

When you catch an exception, you can call (:link </string>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Effects:

As if

[@try
 {
 throw </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) to get an (:link </string>
+ <string>(e);
 }
catch(...)
 {
 return (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) object:

[@#include <(:link </string>
+ <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>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-74</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>33</size>
+ <variant>2</variant>
+ <string>(:auto !!!:)

(:include synopsis:)

!!!!Requirements:

The (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-74</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>:) 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>-38</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)s

void
worker_thread( boost::(: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>-72</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) & error )
 {
 try
 {
 do_work();
 error = boost::(:link </string>
+ <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>-72</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();
 }
 catch(
 ... )
 {
 error = boost::(: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>-7</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)();
 }
 }@]

In the above example, note that (:link </string>
+ <string>:) may require compiler support, unless (:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-18</id>
 </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>:) 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>-50</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) function:

[@// ...continued

void
work()
 {
 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>-72</id>
+ <id>-66</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> 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>-50</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)(error);
 }@]

Note that (: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>-7</id>
+ <id>-29</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>, and:
** if the original exception object derives from boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) points to an instance of std::bad_alloc, or
* if (:link </string>
+ <string>:), then the boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-29</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>:) sub-object of the object referred to by the returned </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-66</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) points to an instance of (:link </string>
+ <string> is initialized by the boost::(:link </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:).

Regardless, the use of (: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>-7</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) and (:link </string>
+ <string><</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-20</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:) in the above examples is well-formed.
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-74</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

(:include synopsis:)
</string>
+ <string>>.
</string>
 </container>
 </pair>
 <pair>
@@ -11057,9 +11039,27 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
+ <size>5</size>
 <variant>2</variant>
- <string>(:auto !!:)

!!!Synopsis

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

(:include synopsis:)

!!!!Definition:

The expression </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string><Tag,T>::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-75</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="m":) evaluates to T.</string>
 </container>
 </pair>
 <pair>
@@ -11273,9 +11273,7 @@
 </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>
@@ -11330,7 +11328,9 @@
 </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>
 <pair>
@@ -11429,9 +11429,7 @@
 </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>
@@ -11607,7 +11605,9 @@
 </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>
@@ -11684,9 +11684,7 @@
 </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>
@@ -11741,7 +11739,9 @@
 </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>
@@ -11909,80 +11909,67 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-6</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@#include <</string>
+ <string>`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-52</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>-52</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-6</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>-27</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>-8</id>
+ <id>-7</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>-61</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>
#include <string>

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

(:include decl:)
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-8</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -11993,40 +11980,40 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

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

[@(:include decl:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-10</id>
+ <id>-9</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>-61</id>
+ <id>-73</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>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12037,7 +12024,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12052,7 +12039,20 @@
 </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>-12</id>
+ </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>
 </container>
 </pair>
 <pair>
@@ -12065,16 +12065,16 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@#include <</string>
+ <string>`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>
#include <boost/tuple/tuple.hpp>

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

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12096,9 +12096,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
+ <size>3</size>
 <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>-16</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>
@@ -12109,45 +12118,16 @@
 </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>5</size>
- <variant>2</variant>
- <string>`#include <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-8</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>>

(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-8</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>[@namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-17</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12158,46 +12138,66 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-19</id>
+ <id>-18</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>-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>-20</id>
+ <id>-19</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:include api:)
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-20</id>
 </shared_ptr>
 </weak_ptr>
 <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>-40</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

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

[@namespace
boost
 {
(:include decl 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>
@@ -12208,18 +12208,27 @@
 </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>-27</id>
+ <id>-61</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>-61</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -12230,18 +12239,27 @@
 </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>-40</id>
+ <id>-67</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>-67</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -12252,18 +12270,27 @@
 </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>-47</id>
+ <id>-15</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>-15</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -12274,18 +12301,27 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
+ <size>5</size>
 <variant>2</variant>
- <string>[@#include <</string>
+ <string>`#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-49</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>-49</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -12298,16 +12334,16 @@
 <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>-61</id>
+ <id>-31</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>
@@ -12318,18 +12354,9 @@
 </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>-54</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
 <variant>2</variant>
- <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12353,16 +12380,16 @@
 <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>-61</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>
#include <errno.h>

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

[@namespace
boost
 {
(:include def pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12373,7 +12400,18 @@
 </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>-45</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12384,7 +12422,18 @@
 </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>-45</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12395,28 +12444,6 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-33</id>
- </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>5</size>
 <variant>2</variant>
 <string>`#include <</string>
@@ -12424,7 +12451,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -12433,7 +12460,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-76</id>
+ <id>-54</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -12444,7 +12471,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12455,11 +12482,33 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-47</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>-34</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-35</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -12470,9 +12519,7 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
- <variant>2</variant>
- <string>[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -12494,18 +12541,27 @@
 </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>-54</id>
+ <id>-44</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

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

(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-44</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> synopsis:)
</string>
 </container>
 </pair>
 <pair>
@@ -12523,11 +12579,11 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

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

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12540,98 +12596,113 @@
 <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>-54</id>
+ <id>-76</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>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-41</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-41</id>
+ <id>-42</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>-25</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>-25</id>
+ <id>-76</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>-42</id>
+ <id>-43</id>
 </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>-31</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>

[@namespace
boost
 {
(:include def pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-43</id>
+ <id>-44</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>-15</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

[@namespace
boost
 {
(:include decl 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>-44</id>
+ <id>-45</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>-45</id>
+ <id>-46</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12642,82 +12713,64 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-47</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>-10</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>-10</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>:)>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-47</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@#include <string>

namespace
boost
 {
(: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> decl pre_indent="4":)

(: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>-48</id>
+ <id>-49</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>-27</id>
+ <id>-16</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>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-50</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12728,7 +12781,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
 <container>
@@ -12739,117 +12792,66 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

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

[@(:include decl:)@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-52</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>-26</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>-26</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
+ <string>>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-53</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>-74</id>
- </shared_ptr>
- </weak_ptr>
- <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> synopsis:)
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-54</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>-29</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>-29</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string> synopsis:)
</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-54</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>[@namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12893,27 +12895,7 @@
 </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>-13</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-58</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl pre_indent="4":)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -12946,9 +12928,18 @@
 </shared_ptr>
 </weak_ptr>
 <container>
- <size>1</size>
+ <size>3</size>
 <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>-16</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>>
#include <string>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -12970,9 +12961,9 @@
 </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>
@@ -12981,7 +12972,16 @@
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

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

[@namespace
boost
 {
(:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-63</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13005,16 +13005,16 @@
 <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>-6</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

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

[@namespace
boost
 {
(:include decl:)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13027,16 +13027,16 @@
 <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>-20</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

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

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13047,29 +13047,29 @@
 </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 <(:link </string>
+ <string>[@#include <</string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>:)>

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

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-68</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -13080,18 +13080,9 @@
 </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>-27</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
 <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include decl pre_indent="4":)
 }@]
</string>
+ <string>(:include api:)
</string>
 </container>
 </pair>
 <pair>
@@ -13104,7 +13095,7 @@
 <container>
 <size>1</size>
 <variant>2</variant>
- <string>[@#include <boost/shared_ptr.hpp>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
+ <string>[@(:include api:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -13115,18 +13106,7 @@
 </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>-20</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)>

[@namespace
boost
 {
(:include decl:)
 }@]
</string>
+ <size>0</size>
 </container>
 </pair>
 <pair>
@@ -13144,7 +13124,7 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
@@ -13159,7 +13139,18 @@
 </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>-45</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>>

namespace
boost
 {
(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 <pair>
@@ -13172,16 +13163,16 @@
 <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>-61</id>
+ <id>-47</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>
@@ -13192,9 +13183,18 @@
 </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>-31</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>

[@(:include decl:)@]
</string>
 </container>
 </pair>
 <pair>
@@ -13207,16 +13207,16 @@
 <container>
 <size>3</size>
 <variant>2</variant>
- <string>[@#include <</string>
+ <string>[@#include <string>

namespace
boost
 {
(:include </string>
 <variant>1</variant>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
 <variant>2</variant>
- <string>>

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

(:include api pre_indent="4":)
 }@]
</string>
 </container>
 </pair>
 </sorted>
@@ -13472,7 +13472,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-56</id>
+ <id>-55</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13489,7 +13489,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-42</id>
+ <id>-19</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13506,7 +13506,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-55</id>
+ <id>-53</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13523,7 +13523,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-18</id>
+ <id>-37</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13540,7 +13540,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-6</id>
+ <id>-73</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13557,7 +13557,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-39</id>
+ <id>-30</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13574,7 +13574,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-59</id>
+ <id>-64</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13591,7 +13591,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-11</id>
+ <id>-41</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13608,7 +13608,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-60</id>
+ <id>-58</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13625,7 +13625,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-37</id>
+ <id>-28</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13642,7 +13642,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-67</id>
+ <id>-21</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13659,7 +13659,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-33</id>
+ <id>-57</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13676,7 +13676,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-30</id>
+ <id>-46</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13693,7 +13693,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-32</id>
+ <id>-68</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13710,7 +13710,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-5</id>
+ <id>-71</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13734,7 +13734,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-47</id>
+ <id>-76</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13758,7 +13758,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-27</id>
+ <id>-47</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13782,7 +13782,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-8</id>
+ <id>-44</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13810,7 +13810,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-52</id>
+ <id>-23</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13834,7 +13834,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-10</id>
+ <id>-52</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13862,7 +13862,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-69</id>
+ <id>-11</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13890,7 +13890,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-7</id>
+ <id>-74</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13918,7 +13918,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-72</id>
+ <id>-66</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13946,7 +13946,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-48</id>
+ <id>-20</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -13974,7 +13974,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-50</id>
+ <id>-33</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14002,7 +14002,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-22</id>
+ <id>-72</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14026,7 +14026,31 @@
 </path>
 </file>
 <shared_ptr>
- <id>-73</id>
+ <id>-14</id>
+ </shared_ptr>
+ </pair>
+ <pair>
+ <hook>
+ <stream_hook_path>
+ <container>
+ <size>1</size>
+ 80C86365052AA49654F75CAA87BF9B29C6373A01F8EE4D5E79F317CD76FC0718
+ <weak>622934727</weak>
+ <size>6161</size>
+ <position>412</position>
+ </container>
+ </stream_hook_path>
+ </hook>
+ <file>
+ <path>
+ <empty>0</empty>
+ <string>../../example/example_io.cpp</string>
+ <type>0</type>
+ <base>0</base>
+ </path>
+ </file>
+ <shared_ptr>
+ <id>-59</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14054,7 +14078,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-51</id>
+ <id>-22</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14082,7 +14106,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-21</id>
+ <id>-51</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14110,7 +14134,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-35</id>
+ <id>-26</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14134,31 +14158,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-29</id>
- </shared_ptr>
- </pair>
- <pair>
- <hook>
- <stream_hook_path>
- <container>
- <size>1</size>
- 6189E343CCDAD18E707853FD4F4B1F4B15E650B8E0C73F2DAE25C866E4867828
- <weak>532819485</weak>
- <size>6137</size>
- <position>412</position>
- </container>
- </stream_hook_path>
- </hook>
- <file>
- <path>
- <empty>0</empty>
- <string>../../example/example_io.cpp</string>
- <type>0</type>
- <base>0</base>
- </path>
- </file>
- <shared_ptr>
- <id>-31</id>
+ <id>-49</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14166,23 +14166,23 @@
 <stream_hook_path>
 <container>
 <size>1</size>
- 75EA7D29A2D365F947FE504A6AE38FA23FEA7031FDA3B6DA5DBBAA3D93794D30
- <weak>1826787048</weak>
- <size>526</size>
- <position>382</position>
+ D194983FA4C182AB869F1AB542797B3EDCCBAEB0A6E67B2DCEE5EA2C7F58853C
+ <weak>1308852571</weak>
+ <size>395</size>
+ <position>307</position>
 </container>
 </stream_hook_path>
 </hook>
 <file>
 <path>
 <empty>0</empty>
- <string>../../example/error_info_1.cpp</string>
+ <string>../../example/cloning_1.cpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 <shared_ptr>
- <id>-45</id>
+ <id>-35</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14210,7 +14210,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-43</id>
+ <id>-13</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14238,7 +14238,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-36</id>
+ <id>-27</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14266,7 +14266,31 @@
 </path>
 </file>
 <shared_ptr>
- <id>-34</id>
+ <id>-24</id>
+ </shared_ptr>
+ </pair>
+ <pair>
+ <hook>
+ <stream_hook_path>
+ <container>
+ <size>1</size>
+ 28E8289766B2CDAEF0A407A6389CB9F7FD3B0F4B49B15CB73AF210A1CEB60C58
+ <weak>4196332848</weak>
+ <size>735</size>
+ <position>363</position>
+ </container>
+ </stream_hook_path>
+ </hook>
+ <file>
+ <path>
+ <empty>0</empty>
+ <string>../../example/info_tuple.cpp</string>
+ <type>0</type>
+ <base>0</base>
+ </path>
+ </file>
+ <shared_ptr>
+ <id>-60</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14290,7 +14314,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-14</id>
+ <id>-62</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14318,7 +14342,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-12</id>
+ <id>-40</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14342,7 +14366,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-26</id>
+ <id>-61</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14370,7 +14394,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-53</id>
+ <id>-25</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14394,7 +14418,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-75</id>
+ <id>-70</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14422,7 +14446,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-46</id>
+ <id>-5</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14446,7 +14470,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-25</id>
+ <id>-54</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14474,7 +14498,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-41</id>
+ <id>-32</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14502,7 +14526,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-24</id>
+ <id>-42</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14526,7 +14550,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-76</id>
+ <id>-15</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14534,9 +14558,9 @@
 <stream_hook_path>
 <container>
 <size>1</size>
- FB3526A6A3A99CF87E766D0B34CEC3F8FB49228B2BFC54C3D56098778710397F
- <weak>3851746268</weak>
- <size>852</size>
+ 0F429704770B5772E81B2BC74E962B62F83826D6C885B7C6E7186D127D31B291
+ <weak>1345125619</weak>
+ <size>854</size>
 <position>306</position>
 </container>
 </stream_hook_path>
@@ -14550,7 +14574,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-28</id>
+ <id>-56</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14574,7 +14598,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-15</id>
+ <id>-48</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14592,13 +14616,37 @@
 <file>
 <path>
 <empty>0</empty>
- <string>../../../../boost/exception/errinfo_file_open_mode.hpp</string>
+ <string>../../../../boost/exception/errinfo_file_open_mode.hpp</string>
+ <type>0</type>
+ <base>0</base>
+ </path>
+ </file>
+ <shared_ptr>
+ <id>-67</id>
+ </shared_ptr>
+ </pair>
+ <pair>
+ <hook>
+ <stream_hook_path>
+ <container>
+ <size>1</size>
+ 977045132A532A0071B0B53F737D85367CE9A331402F96790E45B3B6F2FC88A6
+ <weak>1875939463</weak>
+ <size>529</size>
+ <position>382</position>
+ </container>
+ </stream_hook_path>
+ </hook>
+ <file>
+ <path>
+ <empty>0</empty>
+ <string>../../example/error_info_1.cpp</string>
 <type>0</type>
 <base>0</base>
 </path>
 </file>
 <shared_ptr>
- <id>-74</id>
+ <id>-10</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14626,7 +14674,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-9</id>
+ <id>-43</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14658,7 +14706,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-23</id>
+ <id>-75</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14690,31 +14738,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-68</id>
- </shared_ptr>
- </pair>
- <pair>
- <hook>
- <stream_hook_path>
- <container>
- <size>1</size>
- 4BF26702AE28644631FE5D0F726C9AD0877433607F35DE5F522D94F39BE2A2AB
- <weak>1734013977</weak>
- <size>733</size>
- <position>363</position>
- </container>
- </stream_hook_path>
- </hook>
- <file>
- <path>
- <empty>0</empty>
- <string>../../example/info_tuple.cpp</string>
- <type>0</type>
- <base>0</base>
- </path>
- </file>
- <shared_ptr>
- <id>-57</id>
+ <id>-8</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14742,7 +14766,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-71</id>
+ <id>-65</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14774,7 +14798,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-62</id>
+ <id>-17</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14798,7 +14822,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-70</id>
+ <id>-12</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14822,7 +14846,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-40</id>
+ <id>-31</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14846,7 +14870,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-54</id>
+ <id>-45</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14874,7 +14898,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-64</id>
+ <id>-34</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14902,7 +14926,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-63</id>
+ <id>-18</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14930,7 +14954,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-65</id>
+ <id>-9</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14958,7 +14982,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-38</id>
+ <id>-29</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -14990,7 +15014,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-49</id>
+ <id>-50</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -15014,7 +15038,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-13</id>
+ <id>-39</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -15038,7 +15062,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-20</id>
+ <id>-69</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -15062,7 +15086,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-66</id>
+ <id>-7</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -15090,7 +15114,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-17</id>
+ <id>-38</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -15114,7 +15138,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-44</id>
+ <id>-6</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -15142,7 +15166,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-61</id>
+ <id>-16</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -15170,7 +15194,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-58</id>
+ <id>-63</id>
 </shared_ptr>
 </pair>
 <pair>
@@ -15194,31 +15218,7 @@
 </path>
 </file>
 <shared_ptr>
- <id>-19</id>
- </shared_ptr>
- </pair>
- <pair>
- <hook>
- <stream_hook_path>
- <container>
- <size>1</size>
- 08D021CA79AEBFFD7EB5E272BEBACE3BDED36B949DA26DD1EAFB7723C24065FE
- <weak>3589963844</weak>
- <size>393</size>
- <position>307</position>
- </container>
- </stream_hook_path>
- </hook>
- <file>
- <path>
- <empty>0</empty>
- <string>../../example/cloning_1.cpp</string>
- <type>0</type>
- <base>0</base>
- </path>
- </file>
- <shared_ptr>
- <id>-16</id>
+ <id>-36</id>
 </shared_ptr>
 </pair>
 </sorted>
@@ -15246,97 +15246,97 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-6</id>
+ <id>-5</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-7</id>
+ <id>-6</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr free function</string>
+ <string>tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-9</id>
+ <id>-7</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string>macro</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-11</id>
+ <id>-8</id>
 </shared_ptr>
 </weak_ptr>
- <string>tutorial</string>
+ <string>function member</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-12</id>
+ <id>-9</id>
 </shared_ptr>
 </weak_ptr>
- <string>diagnostic_information free function</string>
+ <string>error_info free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-13</id>
+ <id>-10</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>noalso noindex tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-14</id>
+ <id>-11</id>
 </shared_ptr>
 </weak_ptr>
- <string>diagnostic_information tutorial</string>
+ <string>exception_ptr type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-15</id>
+ <id>-12</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>error_info</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-16</id>
+ <id>-13</id>
 </shared_ptr>
 </weak_ptr>
- <string>noindex tutorial</string>
+ <string>function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-17</id>
+ <id>-14</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string>noindex tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-18</id>
+ <id>-16</id>
 </shared_ptr>
 </weak_ptr>
 <string></string>
@@ -15345,28 +15345,28 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-19</id>
+ <id>-18</id>
 </shared_ptr>
 </weak_ptr>
- <string>noindex</string>
+ <string>exception_ptr free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-20</id>
+ <id>-19</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-21</id>
+ <id>-20</id>
 </shared_ptr>
 </weak_ptr>
- <string>function member</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -15375,7 +15375,7 @@
 <id>-22</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr free function</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -15393,157 +15393,157 @@
 <id>-24</id>
 </shared_ptr>
 </weak_ptr>
- <string>function</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-27</id>
+ <id>-25</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-28</id>
+ <id>-26</id>
 </shared_ptr>
 </weak_ptr>
- <string>noalso noindex tutorial</string>
+ <string>error_info free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-34</id>
+ <id>-27</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string>error_info free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-35</id>
+ <id>-29</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info free function</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-36</id>
+ <id>-30</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info free function</string>
+ <string>exception_ptr</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-38</id>
+ <id>-31</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-39</id>
+ <id>-32</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-40</id>
+ <id>-33</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>exception_ptr free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-41</id>
+ <id>-34</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string>function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-42</id>
+ <id>-35</id>
 </shared_ptr>
 </weak_ptr>
- <string>tutorial</string>
+ <string>noindex tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-43</id>
+ <id>-36</id>
 </shared_ptr>
 </weak_ptr>
- <string>function</string>
+ <string>noindex</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-44</id>
+ <id>-37</id>
 </shared_ptr>
 </weak_ptr>
- <string>tutorial</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-45</id>
+ <id>-38</id>
 </shared_ptr>
 </weak_ptr>
- <string>noalso noindex tutorial</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-46</id>
+ <id>-39</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-47</id>
+ <id>-40</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>diagnostic_information free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-48</id>
+ <id>-41</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string>tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-49</id>
+ <id>-42</id>
 </shared_ptr>
 </weak_ptr>
 <string>function</string>
@@ -15552,109 +15552,109 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-50</id>
+ <id>-43</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr free function</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-51</id>
+ <id>-45</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-52</id>
+ <id>-47</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-53</id>
+ <id>-48</id>
 </shared_ptr>
 </weak_ptr>
- <string>type</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-54</id>
+ <id>-50</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-55</id>
+ <id>-51</id>
 </shared_ptr>
 </weak_ptr>
- <string>tutorial</string>
+ <string>function member</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-56</id>
+ <id>-53</id>
 </shared_ptr>
 </weak_ptr>
- <string>noindex</string>
+ <string>tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-57</id>
+ <id>-55</id>
 </shared_ptr>
 </weak_ptr>
- <string>noalso noindex tutorial</string>
+ <string>noindex</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-58</id>
+ <id>-56</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info free function</string>
+ <string>noalso noindex tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-61</id>
+ <id>-60</id>
 </shared_ptr>
 </weak_ptr>
- <string></string>
+ <string>noalso noindex tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-63</id>
+ <id>-62</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr free function</string>
+ <string>diagnostic_information tutorial</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-64</id>
+ <id>-63</id>
 </shared_ptr>
 </weak_ptr>
- <string>function</string>
+ <string>error_info free function</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -15663,7 +15663,7 @@
 <id>-65</id>
 </shared_ptr>
 </weak_ptr>
- <string>error_info free function</string>
+ <string>free function</string>
 </pair>
 <pair>
 <weak_ptr>
@@ -15672,31 +15672,31 @@
 <id>-66</id>
 </shared_ptr>
 </weak_ptr>
- <string>macro</string>
+ <string>type</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-68</id>
+ <id>-69</id>
 </shared_ptr>
 </weak_ptr>
- <string>function member</string>
+ <string></string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-69</id>
+ <id>-72</id>
 </shared_ptr>
 </weak_ptr>
- <string>exception_ptr type</string>
+ <string>exception_ptr free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-70</id>
+ <id>-73</id>
 </shared_ptr>
 </weak_ptr>
 <string>error_info</string>
@@ -15705,16 +15705,16 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-71</id>
+ <id>-74</id>
 </shared_ptr>
 </weak_ptr>
- <string>free function</string>
+ <string>exception_ptr free function</string>
 </pair>
 <pair>
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-72</id>
+ <id>-75</id>
 </shared_ptr>
 </weak_ptr>
 <string>type</string>
@@ -15723,10 +15723,10 @@
 <weak_ptr>
 <expired>0</expired>
 <shared_ptr>
- <id>-73</id>
+ <id>-76</id>
 </shared_ptr>
 </weak_ptr>
- <string>noindex tutorial</string>
+ <string></string>
 </pair>
 </sorted>
 </tag_index>

Modified: trunk/libs/exception/doc/tutorial_diagnostic_information.html
==============================================================================
--- trunk/libs/exception/doc/tutorial_diagnostic_information.html (original)
+++ trunk/libs/exception/doc/tutorial_diagnostic_information.html 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
@@ -48,7 +48,7 @@
<div class="RenoIncludeDIV"><h4>Example:</h4>
this is a possible output from the diagnostic_information function, as used in libs/exception/example/example_io.cpp:
<pre>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>
+Dynamic exception type: class boost::exception_detail::clone_impl<struct fopen_error>
std::exception::what: example_io error
[struct boost::errinfo_api_function_ *] = fopen
[struct boost::errinfo_errno_ *] = 2, "No such file or directory"

Modified: trunk/libs/exception/doc/tutorial_exception_ptr.html
==============================================================================
--- trunk/libs/exception/doc/tutorial_exception_ptr.html (original)
+++ trunk/libs/exception/doc/tutorial_exception_ptr.html 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
@@ -32,7 +32,7 @@
#include <stdio.h>
#include <errno.h>

-class file_read_error: public boost::exception { };
+struct file_read_error: virtual boost::exception { };

void
file_read( FILE * f, void * buffer, size_t size )

Modified: trunk/libs/exception/doc/tutorial_transporting_data.html
==============================================================================
--- trunk/libs/exception/doc/tutorial_transporting_data.html (original)
+++ trunk/libs/exception/doc/tutorial_transporting_data.html 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
@@ -34,7 +34,7 @@

typedef boost::error_info<struct tag_my_info,int> my_info; //(1)

-class my_error: public boost::exception, public std::exception { }; //(2)
+struct my_error: virtual boost::exception, virtual std::exception { }; //(2)

void
f()
@@ -73,12 +73,12 @@
}</pre>
How can the file_read function pass a file name to the exception type constructor? All it has is a FILE handle.
Using boost::exception allows us to free the file_read function from the burden of storing the file name in exceptions it throws:
-<pre>boost/exception/all.hpp>
+<pre>#include <boost/exception/all.hpp>
#include <boost/shared_ptr.hpp>
#include <stdio.h>
#include <errno.h>

-class file_read_error: public boost::exception { };
+struct file_read_error: virtual boost::exception { };

void
file_read( FILE * f, void * buffer, size_t size )
@@ -127,7 +127,7 @@

typedef boost::tuple<boost::errinfo_api_function,boost::errinfo_errno> clib_failure;

-class file_open_error: public boost::exception { };
+struct file_open_error: virtual boost::exception { };

boost::shared_ptr<FILE>
file_open( char const * name, char const * mode )

Modified: trunk/libs/exception/example/cloning_1.cpp
==============================================================================
--- trunk/libs/exception/example/cloning_1.cpp (original)
+++ trunk/libs/exception/example/cloning_1.cpp 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
@@ -10,7 +10,7 @@
#include <stdio.h>
#include <errno.h>

-class file_read_error: public boost::exception { };
+struct file_read_error: virtual boost::exception { };

void
file_read( FILE * f, void * buffer, size_t size )

Modified: trunk/libs/exception/example/error_info_1.cpp
==============================================================================
--- trunk/libs/exception/example/error_info_1.cpp (original)
+++ trunk/libs/exception/example/error_info_1.cpp 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
@@ -11,7 +11,7 @@

typedef boost::error_info<struct tag_my_info,int> my_info; //(1)

-class my_error: public boost::exception, public std::exception { }; //(2)
+struct my_error: virtual boost::exception, virtual std::exception { }; //(2)

void
f()

Modified: trunk/libs/exception/example/error_info_2.cpp
==============================================================================
--- trunk/libs/exception/example/error_info_2.cpp (original)
+++ trunk/libs/exception/example/error_info_2.cpp 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
@@ -12,7 +12,7 @@

//

-class file_read_error: public boost::exception { };
+struct file_read_error: virtual boost::exception { };

void
file_read( FILE * f, void * buffer, size_t size )

Modified: trunk/libs/exception/example/example_io.cpp
==============================================================================
--- trunk/libs/exception/example/example_io.cpp (original)
+++ trunk/libs/exception/example/example_io.cpp 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
@@ -29,8 +29,8 @@

class
error: //Base for all exception objects we throw.
- public std::exception,
- public boost::exception
+ public virtual std::exception,
+ public virtual boost::exception
 {
 public:

@@ -47,14 +47,12 @@
 }
 };

-class open_error: public error { };
-class read_error: public error { };
-class write_error: public error { };
-
-class fopen_error: public open_error { };
-class fread_error: public read_error { };
-class fwrite_error: public write_error { };
-
+struct open_error: virtual error { };
+struct read_error: virtual error { };
+struct write_error: virtual error { };
+struct fopen_error: virtual open_error { };
+struct fread_error: virtual read_error { };
+struct fwrite_error: virtual write_error { };

boost::shared_ptr<FILE>
my_fopen( char const * name, char const * mode )

Modified: trunk/libs/exception/example/info_tuple.cpp
==============================================================================
--- trunk/libs/exception/example/info_tuple.cpp (original)
+++ trunk/libs/exception/example/info_tuple.cpp 2009-07-09 16:51:10 EDT (Thu, 09 Jul 2009)
@@ -17,7 +17,7 @@

typedef boost::tuple<boost::errinfo_api_function,boost::errinfo_errno> clib_failure;

-class file_open_error: public boost::exception { };
+struct file_open_error: virtual boost::exception { };

boost::shared_ptr<FILE>
file_open( char const * name, char const * mode )

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