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Boost-Commit : |
Subject: [Boost-commit] svn:boost r52983 - in trunk/libs/exception/doc: . source
From: emil_at_[hidden]
Date: 2009-05-13 21:58:09
Author: emildotchevski
Date: 2009-05-13 21:58:08 EDT (Wed, 13 May 2009)
New Revision: 52983
URL: http://svn.boost.org/trac/boost/changeset/52983
Log:
documentation update
Text files modified:
trunk/libs/exception/doc/exception_ptr.html | 1
trunk/libs/exception/doc/source/boost-exception.reno | 6167 ++++++++++++++++++++-------------------
2 files changed, 3089 insertions(+), 3079 deletions(-)
Modified: trunk/libs/exception/doc/exception_ptr.html
==============================================================================
--- trunk/libs/exception/doc/exception_ptr.html (original)
+++ trunk/libs/exception/doc/exception_ptr.html 2009-05-13 21:58:08 EDT (Wed, 13 May 2009)
@@ -28,6 +28,7 @@
<span class="RenoIncludeSPAN"> typedef ---unspecified--- <span class="RenoLink">exception_ptr</span>;</span>
}</pre>
</div><p>The <span class="RenoLink">exception_ptr</span> type can be used to refer to a copy of an exception object. It is Default Constructible, Copy Constructible, Assignable and Equality Comparable; <span class="RenoLink">exception_ptr</span>'s operations do not throw.</p>
+<p>The referenced object remains valid at least as long as there is an <span class="RenoLink">exception_ptr</span> object that refers to it.</p>
<p>Two instances of <span class="RenoLink">exception_ptr</span> are equivalent and compare equal if and only if they refer to the same exception.</p>
<p>The default constructor of <span class="RenoLink">exception_ptr</span> produces the null value of the type. The null value is equivalent only to itself.</p>
<h4>Thread safety</h4>
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 2009-05-13 21:58:08 EDT (Wed, 13 May 2009)
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<title>
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<title>
- <string>transporting of exceptions between threads</string>
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<title>
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<hook>
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<title>
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<title>
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- <string>[@template <class Tag,class T> class (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-44</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) { public: (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-51</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl pre_indent="4":) (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-12</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl pre_indent="4":) (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-33</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl pre_indent="4":) };@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-45</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-46</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-47</id>
+ <id>-48</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3181,7 +3143,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-48</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3192,7 +3154,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-49</id>
+ <id>-50</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3203,7 +3165,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-50</id>
+ <id>-51</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3214,18 +3176,56 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-51</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>0</size>
+ <size>9</size>
+ <variant>2</variant>
+ <string>[@template <class Tag,class T> class (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-52</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) { public: (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-6</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl pre_indent="4":) (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-42</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl pre_indent="4":) (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-55</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl 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>
@@ -3236,7 +3236,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-53</id>
+ <id>-54</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3247,7 +3247,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-54</id>
+ <id>-55</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3258,7 +3258,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-55</id>
+ <id>-21</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3353,7 +3353,72 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>0</size>
+ <size>15</size>
+ <variant>2</variant>
+ <string>[@#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-58</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)> #include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-11</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)> #include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-49</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)> #include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-53</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)> #include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-15</id>
+ </shared_ptr>
+ </weak_ptr>
+ <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>:)> #include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-16</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>@] </string>
</container>
</pair>
<pair>
@@ -3375,7 +3440,18 @@
</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>-26</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@] </string>
</container>
</pair>
<pair>
@@ -3397,7 +3473,27 @@
</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>-32</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>-35</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:) }@] </string>
</container>
</pair>
<pair>
@@ -3408,7 +3504,18 @@
</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>-37</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@] </string>
</container>
</pair>
<pair>
@@ -3419,7 +3526,18 @@
</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>-52</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@] </string>
</container>
</pair>
<pair>
@@ -3441,16 +3559,27 @@
</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>
+ <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> decl:)@] </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-14</id>
+ </shared_ptr>
+ </weak_ptr>
<container>
<size>0</size>
</container>
@@ -3463,14 +3592,14 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>11</size>
+ <size>5</size>
<variant>2</variant>
<string>[@(:include </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -3479,49 +3608,78 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-56</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> decl:) typedef (:link </string>
+ <string> decl:)@] </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-16</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>13</size>
+ <variant>2</variant>
+ <string>[@(:include </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-28</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_throw_function,char const *> throw_function; typedef (:link </string>
+ <string> decl:) (:include </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-22</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_throw_file,char const *> throw_file; typedef (:link </string>
+ <string> decl:) (:include </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_throw_line,int> throw_line;@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-16</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
+ <string> decl:) (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-51</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:) (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-34</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:) (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-39</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl:)@] </string>
</container>
</pair>
<pair>
@@ -3539,7 +3697,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-37</id>
+ <id>-50</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -3572,7 +3730,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-20</id>
+ <id>-22</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3583,29 +3741,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-21</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>3</size>
- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-9</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-22</id>
+ <id>-23</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3616,7 +3752,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-23</id>
+ <id>-20</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -3741,27 +3877,7 @@
</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>-6</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:) (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-20</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -3926,101 +4042,61 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>3</size>
+ <size>11</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>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-50</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>15</size>
- <variant>2</variant>
- <string>[@#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-34</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)> #include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-54</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)> #include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-15</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> #include <(:link </string>
+ <string> def:) (:include </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-17</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> #include <(:link </string>
+ <string> decl:) typedef (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-56</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> #include <(:link </string>
+ <string>:)<struct tag_throw_function,char const *> throw_function; typedef (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-49</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> #include <(:link </string>
+ <string>:)<struct tag_throw_file,char const *> throw_file; typedef (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-57</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)>@] </string>
+ <string>:)<struct tag_throw_line,int> throw_line;@] </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-51</id>
+ <id>-50</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -4031,29 +4107,18 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-52</id>
+ <id>-51</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>3</size>
- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-25</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-53</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -4064,7 +4129,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-54</id>
+ <id>-53</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -4075,7 +4140,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-57</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -4086,7 +4151,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-55</id>
+ <id>-54</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -4097,98 +4162,44 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-56</id>
+ <id>-55</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>-44</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> def:) (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-19</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-57</id>
+ <id>-21</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>13</size>
- <variant>2</variant>
- <string>[@(:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-36</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:) (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-61</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:) (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-26</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:) (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-16</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:) (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-8</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:) (:include </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-41</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@] </string>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-56</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-57</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -4206,20 +4217,20 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-7</id>
+ <id>-30</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> decl:) namespace boost { (:include </string>
+ <string> decl:) (:include </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-40</id>
+ <id>-61</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> decl:) }@] </string>
+ <string> decl:)@] </string>
</container>
</pair>
<pair>
@@ -4241,18 +4252,7 @@
</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>-32</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> decl:)@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -4301,7 +4301,7 @@
<container>
<size>3</size>
<variant>2</variant>
- <string>[@template <class E> std::string (:link </string>
+ <string>[@typedef T (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
@@ -4310,7 +4310,7 @@
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)( E const & e );@] </string>
+ <string> mod="m":);@] </string>
</container>
</pair>
<pair>
@@ -4321,90 +4321,7 @@
</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>-15</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>-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>-40</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)( ::boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-25</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)(x) <<\ ::boost::(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-15</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>-15</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>-15</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>-40</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)(x) #endif@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -4415,27 +4332,7 @@
</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>-26</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-8</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)();@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -4446,18 +4343,7 @@
</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>-9</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)( T const & e );@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -4490,27 +4376,7 @@
</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>-12</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="m":)( (: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":) const & v );@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -4521,36 +4387,7 @@
</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>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-13</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>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-44</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)<Tag1,T1>, ..., (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-44</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)<TagN,TN> > const & v );@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -4583,27 +4420,7 @@
</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>-26</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:) (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-16</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)( T const & e );@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -4636,56 +4453,45 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>5</size>
- <variant>2</variant>
- <string>[@template <class E, class Tag, class T> E const & (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-19</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string> mod="/":)( E const & x, (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-44</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)<Tag,T> const & v );@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-20</id>
+ <id>-22</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>-20</id>
+ <id>-52</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>-22</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>;@] </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-21</id>
+ <id>-23</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -4696,7 +4502,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-22</id>
+ <id>-20</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -4707,7 +4513,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-23</id>
+ <id>-24</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -4718,7 +4524,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-24</id>
+ <id>-25</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -4729,7 +4535,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-25</id>
+ <id>-26</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -4740,7 +4546,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-25</id>
+ <id>-26</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -4751,55 +4557,42 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-26</id>
+ <id>-27</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>3</size>
- <variant>2</variant>
- <string>[@typedef ---unspecified--- (:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-26</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:);@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-27</id>
+ <id>-28</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>3</size>
+ <size>5</size>
<variant>2</variant>
- <string>[@(:link </string>
+ <string>[@class (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-27</id>
+ <id>-28</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="m":)();@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-28</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
+ <string>:): public std::exception public boost::</string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> { ---unspecified--- };@] </string>
</container>
</pair>
<pair>
@@ -4821,7 +4614,18 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@template <class E> std::string (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-30</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)( E const & e );@] </string>
</container>
</pair>
<pair>
@@ -4843,319 +4647,267 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>3</size>
+ <size>19</size>
<variant>2</variant>
- <string>[@template <class E> E * </string>
+ <string>[@#if !defined( BOOST_EXCEPTION_DISABLE ) #include <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-32</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>();@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-33</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>[@(:link </string>
+ <string>:)> #include <boost/current_function.hpp> #define (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-51</id>
+ <id>-32</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="m":) const & (:link </string>
+ <string>:)(x)\ ::boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-33</id>
+ <id>-35</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="m":)() const;@] </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>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-36</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
- <variant>2</variant>
- <string>[@class (:link </string>
+ <string>:)( ::boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-36</id>
+ <id>-26</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:): public std::exception public boost::</string>
+ <string>:)(x) <<\ ::boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> { ---unspecified--- };@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-37</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>5</size>
+ <string>|throw_function:)(BOOST_CURRENT_FUNCTION) <<\ ::boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-49</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>[@template <class ErrorInfo,class E> typename ErrorInfo::(:link </string>
+ <string>|throw_file:)(__FILE__) <<\ ::boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-51</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="m":) const * (:link </string>
+ <string>|throw_line:)((int)__LINE__) ) #else #define (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-37</id>
+ <id>-32</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)( E const & x );@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-38</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
+ <string>:)(x) ::boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-35</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)(x) #endif@] </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-39</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@typedef ---unspecified--- (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-33</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:);@] </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-40</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<container>
<size>5</size>
<variant>2</variant>
- <string>[@#ifdef BOOST_NO_EXCEPTIONS void (:link </string>
+ <string>[@(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-40</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)( std::exception const & e ); // user defined #else template <class E> void (:link </string>
+ <string>:) (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-40</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)( E const & e ); #endif@] </string>
+ <string>:)();@] </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-41</id>
+ <id>-35</id>
</shared_ptr>
</weak_ptr>
<container>
<size>5</size>
<variant>2</variant>
- <string>[@void (:link </string>
+ <string>[@#ifdef BOOST_NO_EXCEPTIONS void (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-41</id>
+ <id>-35</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)( (:link </string>
+ <string>:)( std::exception const & e ); // user defined #else template <class E> void (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-26</id>
+ <id>-35</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) const & ep );</string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-42</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>0</size>
+ <string>:)( E const & e ); #endif@] </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-36</id>
</shared_ptr>
</weak_ptr>
<container>
<size>3</size>
<variant>2</variant>
- <string>[@class (:link </string>
+ <string>[@(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-36</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>-37</id>
</shared_ptr>
</weak_ptr>
<container>
<size>3</size>
<variant>2</variant>
- <string>[@template <class Tag,class T> class (:link </string>
+ <string>[@template <class T> ---unspecified--- (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-37</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:);@] </string>
+ <string>:)( T const & e );@] </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-45</id>
+ <id>-38</id>
</shared_ptr>
</weak_ptr>
<container>
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+ <size>5</size>
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+ <string>[@void (:link </string>
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<weak_ptr>
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- <id>-45</id>
+ <id>-39</id>
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+ <string>:)( (:link </string>
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+ <id>-33</id>
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+ <string>:) const & ep );</string>
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+ <id>-40</id>
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+ <id>-42</id>
</shared_ptr>
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- <size>0</size>
+ <size>5</size>
+ <variant>2</variant>
+ <string>[@(:link </string>
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+ <string> mod="m":) const & v );@] </string>
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@@ -5210,29 +4982,47 @@
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+ <id>-45</id>
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+ <size>7</size>
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+ <string>[@template <class E, class Tag1, class T1, ..., class TagN, class TN> E const & (:link </string>
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+ <id>-45</id>
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- <string> mod="m":);@] </string>
+ <string> mod="/":)( E const & x, (:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html|tuple:)< (:link </string>
+ <variant>1</variant>
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@@ -5243,18 +5033,29 @@
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<container>
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+ <size>3</size>
+ <variant>2</variant>
+ <string>[@class (:link </string>
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@@ -5276,40 +5077,82 @@
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<container>
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+ <size>3</size>
+ <variant>2</variant>
+ <string>[@template <class E> E * </string>
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- <size>0</size>
+ <size>5</size>
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+ <string>:)( T const & e );@] </string>
</container>
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<container>
- <size>0</size>
+ <size>3</size>
+ <variant>2</variant>
+ <string>[@template <class Tag,class T> class (:link </string>
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+ <string> mod="m":) const & (:link </string>
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- <string>;@] </string>
+ <string> mod="m":)() const;@] </string>
</container>
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+ <string>(:auto !!!:) (:include synopsis:) !!!!Definition: The expression </string>
<variant>1</variant>
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<expired>0</expired>
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- <string>:); **otherwise the returned value contains the what() string. *Otherwise, the boost::</string>
+ <string><Tag,T>::(:link </string>
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+ <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>
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+ <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>
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+ </pair>
+ <pair>
+ <weak_ptr>
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+ <string>(:auto !!!:) Traditionally, when using exceptions to report failures, the throw site: *creates an exception object of the appropriate type, and *stuffs it with data relevant to the detected error. A higher context in the program contains a catch statement which: *selects failures based on exception types, and *inspects exception objects for data required to deal with the problem. The main issue with this "traditional" approach is that often, the data available at the point of the throw is insufficient for the catch site to handle the failure. Here is an example of a catch statement: [@catch( file_read_error & e ) { std::cerr << e.file_name(); }@] And here is a possible matching throw: [@void read_file( FILE * f ) { .... size_t nr=fread(buf,1,count,f); if( ferror(f) ) throw file_read_error(???); ....&#
10; }@] Clearly, the problem is that the handler requires a file name but the read_file function does not have a file name to put in the exception object; all it has is a FILE pointer! In an attempt to deal with this problem, we could modify read_file to accept a file name: [@void read_file( FILE * f, char const * name ) { .... size_t nr=fread(buf,1,count,f); if( ferror(f) ) throw file_read_error(name); .... }@] This is not a real solution: it simply shifts the burden of supplying a file name to the immediate caller of the read_file function. ->''In general, the data required to handle a given library-emitted exception depends on the program that links to it. Many contexts between the throw and the catch may have relevant information which must be transported to the exception handler.'' !!!Exception wrapping The idea of exception wrapping is to catch an exce
ption from a lower level function (such as the read_file function above), and throw a new exception object that contains the original exception (and also carries a file name.) This method seems to be particularly popular with C++ programmers with Java background. Exception wrapping leads to the following problems: *To wrap an exception object it must be copied, which may result in slicing. *Wrapping is practically impossible to use in generic contexts. The second point is actually special case of violating the exception neutrality principle. Most contexts in a program can not handle exceptions; such contexts should not interfere with the process of exception handling. !!!The boost::exception solution *Simply derive your exception types from boost::(:link </string>
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- <string> fails to properly copy the current exception object, it returns an </string>
+ <string>:). *Confidently limit the throw site to provide only data that is available naturally. *Use exception-neutral contexts between the throw and the catch to augment exceptions with more relevant data as they bubble up. For example, in the throw statement below we only add the errno code, since this is the only failure-relevant information available in this context: [@struct exception_base: virtual std::exception, virtual boost::(:link </string>
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+ <string>:) { }; struct io_error: virtual exception_base { }; struct file_read_error: virtual io_error { }; typedef boost::(:link </string>
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- <string> as a final fallback. All such types derive from boost::</string>
+ <string>:)<struct tag_errno_code,int> errno_code; void read_file( FILE * f ) { .... size_t nr=fread(buf,1,count,f); if( ferror(f) ) throw file_read_error() (:link </string>
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- <string>, and: ** if the original exception object derives from boost::(:link </string>
+ <string>|<<:) errno_code(errno); .... }@] In a higher exception-neutral context, we add the file name to ''any'' exception that derives from boost::(:link </string>
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+ <string>:): [@typedef boost::(:link </string>
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+ <string>:)<struct tag_file_name,std::string> file_name; .... try { if( FILE * fp=fopen("foo.txt","rt") ) { shared_ptr<FILE> f(fp,fclose); .... read_file(fp); //throws types deriving from boost::(:link </string>
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+ <string>:) do_something(); .... } else throw file_open_error() (:link </string>
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+ <string>:) & e ) { e (:link </string>
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+ <string>|<<:) file_name("foo.txt"); throw; }@] Finally here is how the handler retrieves data from exceptions that derive from boost::(:link </string>
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+ <string>:) can be used to compose an automatic (if not user-friendly) message that contains all of the (:link </string>
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+ <string> typedef is used by </string>
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+ <string> if it defaults to returning an </string>
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+ <string>(:auto !!:) (:pagelist fmt="index" tags="hpp" sort_prefix="6":) </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
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+ </shared_ptr>
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+ <container>
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+ <string>(:auto !!:) Some exception hierarchies can not be modified to make boost::(:link </string>
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</weak_ptr>
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- <string>:) function template can be called with any exception type. If BOOST_NO_RTTI is defined, (:link </string>
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</weak_ptr>
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- <string>:) can be used only with objects of type boost::(:link </string>
+ <string>:) function template can be used to make exception objects derive from boost::(:link </string>
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- <string>:) and (:link </string>
+ <string>:)> #include <stdexcept> typedef boost::(:link </string>
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- <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>:)<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>
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+ <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>
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+ <string>:)<T> gets us an object of ''unspecified type'' which is guaranteed to derive from both boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
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+ </shared_ptr>
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- <string>:) to get an (: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>
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+ <string>:) &, so that (:link </string>
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+ <string>|more information can be added to the exception at a later time:). </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
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+ <string>(:auto !!:) (:pagelist fmt="index" tags="type":) </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
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+ <container>
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+ <variant>2</variant>
+ <string>(:auto !!!:) Here is how cloning can be enabled in a throw-expression (15.1): [@#include <(:link </string>
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- <string>:)s void worker_thread( boost::(:link </string>
+ <string>:)> #include <stdio.h> #include <errno.h> typedef boost::error_info<struct tag_errno,int> errno_info; class file_read_error: public boost::(:link </string>
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<variant>2</variant>
- <string>:) & error ) { try { do_work(); error = boost::(:link </string>
+ <string>:) { }; void file_read( FILE * f, void * buffer, size_t size ) { if( size!=fread(buffer,1,size,f) ) throw boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-26</id>
+ <id>-37</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)(); } catch( ... ) { error = boost::(:link </string>
+ <string>:)(file_read_error()) << errno_info(errno); }@] Of course, (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-8</id>
+ <id>-37</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)(); } }@] In the above example, note that (: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>-8</id>
+ <id>-47</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>:). </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-26</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
+ <variant>2</variant>
+ <string>(:auto !!!:) (:include synopsis:) !!!!Requirements: T must be a class with an accessible no-throw copy constructor as per (15.5.1). !!!!Returns: * If T derives from boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-41</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) function: [@// ...continued void work() { boost::(:link </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>-26</id>
+ <id>-47</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>:). 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>-27</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>17</size>
+ <variant>2</variant>
+ <string>(:auto !!!:) The following example demonstrates how errno can be stored in exception objects using Boost Exception: [@#include <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-41</id>
+ <id>-5</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)(error); }@] Note that (:link </string>
+ <string>:)> #include <errno.h> #include <iostream> typedef boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-8</id>
+ <id>-52</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>:)<struct tag_errno,int> errno_info; //(1) class my_error: public boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-26</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) points to an instance of std::bad_alloc, or * if (:link </string>
+ <string>:), public std::exception { }; //(2) void f() { throw my_error() << errno_info(errno); //(3) } @] First, we instantiate the (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-9</id>
+ <id>-52</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>:) template using a unique identifier -- tag_errno, 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>-26</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) points to an instance of (:link </string>
+ <string>:). Finally, (3) illustrates how the typedef from (1) can be used with (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-36</id>
+ <id>-56</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). Regardless, the use of (:link </string>
+ <string>|operator<<:) to store values in exception objects at the point of the throw. The stored errno value can be recovered at a later time like this: [@// ...continued void g() { try { f(); } catch( my_error & x ) { if( int const * err=boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-8</id>
+ <id>-57</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) and (:link </string>
+ <string>:)<errno_info>(x) ) std::cerr << "Error code: " << *err; } }@] The (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-41</id>
+ <id>-57</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) in the above examples is well-formed. </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>-12</id>
+ <id>-28</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>3</size>
+ <size>5</size>
<variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) !!!!Effects: Stores a copy of v in the </string>
+ <string>(:auto !!!:) (:include synopsis:) This type is used by the (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> object. (:include throws:) </string>
+ <string>:) support in Boost Exception. Please see (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-34</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:). </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-13</id>
+ <id>-29</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>5</size>
+ <size>19</size>
<variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) !!!!Requirements: E must be boost::(:link </string>
+ <string>(:auto !!:) Boost Exception provides a namespace-scope function (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-30</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:), or a type that derives (indirectly) from boost::(:link </string>
+ <string>:) which takes a boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). !!!!Effects: Equivalent to x << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<0>() << ... << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<N>(). !!!!Returns: x. (:include throws:) </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-14</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>11</size>
+ <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>-47</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!:) All exception types that derive from boost::(:link </string>
+ <string>:) through (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-56</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> 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>-43</id>
+ <id>-5</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>:)> #include <iostream> void f(); //throws unknown types that derive from boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-46</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) (:include </string>
+ <string>:). void g() { try { f(); } catch( boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-31</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) (:include </string>
+ <string>:) & e ) { std::cerr << (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-28</id>
+ <id>-30</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>
+ <string>:)(e); } }@] (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-8</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!:) !!!Synopsis (:include synopsis:) </string>
+ <string>:) </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-16</id>
+ <id>-30</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>5</size>
+ <size>29</size>
<variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) !!!!Effects: As if [@try { throw </string>
+ <string>(:auto !!!:) (:include synopsis:) !!!!Returns: A string value that contains varying amount of implementation-specific diagnostic information about the passed exception object: *If E can be statically converted to boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-9</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>(e); } catch(...) { return (: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>-8</id>
+ <id>-52</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>1</size>
- <variant>2</variant>
- <string>(:auto !!:) !!!Synopsis (:include synopsis:) </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-18</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>65</size>
+ <string>:) objects stored in the boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!:) !!!Why doesn't boost::exception derive from std::exception? Despite that (:link </string>
+ <string>:) through (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-42</id>
+ <id>-56</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> 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>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) derives from std::exception, using the (:link </string>
+ <string>:); **otherwise the returned value contains the what() string. *Otherwise, the boost::</string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-25</id>
+ <id>-30</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> template is not available. The string representation of each (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-52</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>:) 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>-44</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) to an active exception object: [@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>-43</id>
+ <id>-52</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>-19</id>
+ <id>-55</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>|<<:) foo_info(foo); throw e; //Compile error: 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>-43</id>
+ <id>-55</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) is abstract }@] The correct code is: [@catch( 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>-43</id>
+ <id>-30</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) & e ) { e (:link </string>
+ <string>:) is called; if all 3 overload resolutions are unsuccessful, the system is unable to convert the (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-19</id>
+ <id>-52</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>:) object to string, and ''an unspecified stub string value is used without issuing a compile error.'' !!!!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>-43</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>:)</string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-31</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>-43</id>
+ <id>-57</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>:) 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>-40</id>
+ <id>-57</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>:) can be used only with objects of type boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) and that it is compatible with boost::(: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>-8</id>
+ <id>-37</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). The (:link </string>
+ <string>:) and (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-7</id>
+ <id>-26</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) macro also results in a call to boost::(:link </string>
+ <string>:) are integrated directly in the (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-40</id>
+ <id>-35</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>:) 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>-6</id>
+ <id>-9</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>:). '''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>-6</id>
+ <id>-35</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>. 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>-7</id>
+ <id>-30</id>
</shared_ptr>
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- <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> (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>-32</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>
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</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>. To recover this information at the catch site, use </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
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+ <id>-57</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) as a base of any exception passed to boost::(:link </string>
+ <string>; the information is also included in the message returned by </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
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+ <id>-30</id>
</shared_ptr>
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- <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>-33</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>19</size>
+ <variant>2</variant>
+ <string>(:auto !!!:) (:include synopsis:) The (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
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</shared_ptr>
</weak_ptr>
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- <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>:) 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>
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+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:), but this requires that Boost Serialization throws exceptions using boost::(:link </string>
+ <string>:)'s operations do not throw. The referenced object remains valid at least as long as there is an </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-9</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). If Boost Serialization calls boost::(:link </string>
+ <string> object that refers to it. Two instances of (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-40</id>
+ <id>-33</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>:) 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>-43</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:), it is often desirable to add one or more (: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>
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+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) objects in it. The syntactic sugar provided by (: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>-19</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) allows this to be done directly in a throw expression: [@throw error() (:link </string>
+ <string>:) object concurrently. * While calling (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-19</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>|<<:) foo_info(foo) (: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>-19</id>
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</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));@] </string>
+ <string>:) concurrently to throw the same exception object into multiple threads. </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-19</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>7</size>
+ <size>33</size>
<variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) !!!!Requirements: E must be boost::(:link </string>
+ <string>(:auto !!!:) (:include synopsis:) !!!!Requirements: The (: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>:), or a type that derives (indirectly) from 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>-43</id>
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</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). !!!!Effects: Stores a copy of v into x. If x already contains data of type (: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>
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</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<Tag,T>, that data is overwritten. !!!!Returns: x. (:include throws:) </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
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- <shared_ptr>
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- </shared_ptr>
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- <container>
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- <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>:) 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>-43</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) or std::exception, this function returns the same string value returned by (: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>-6</id>
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</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>:) may require compiler support, unless (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-20</id>
+ <id>-37</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>:) 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>-20</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>(); } }@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-21</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string> fails to properly copy the current exception object, it returns an </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-33</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!!:) !!!Synopsis (:include synopsis:) </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-22</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>33</size>
+ <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>-28</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!!:) Traditionally, when using exceptions to report failures, the throw site: *creates an exception object of the appropriate type, and *stuffs it with data relevant to the detected error. A higher context in the program contains a catch statement which: *selects failures based on exception types, and *inspects exception objects for data required to deal with the problem. The main issue with this "traditional" approach is that often, the data available at the point of the throw is insufficient for the catch site to handle the failure. Here is an example of a catch statement: [@catch( file_read_error & e ) { std::cerr << e.file_name(); }@] And here is a possible matching throw: [@void read_file( FILE * f ) { .... size_t nr=fread(buf,1,count,f); if( ferror(f) ) throw file_read_error(???); ....&#
10; }@] Clearly, the problem is that the handler requires a file name but the read_file function does not have a file name to put in the exception object; all it has is a FILE pointer! In an attempt to deal with this problem, we could modify read_file to accept a file name: [@void read_file( FILE * f, char const * name ) { .... size_t nr=fread(buf,1,count,f); if( ferror(f) ) throw file_read_error(name); .... }@] This is not a real solution: it simply shifts the burden of supplying a file name to the immediate caller of the read_file function. ->''In general, the data required to handle a given library-emitted exception depends on the program that links to it. Many contexts between the throw and the catch may have relevant information which must be transported to the exception handler.'' !!!Exception wrapping The idea of exception wrapping is to catch an exce
ption from a lower level function (such as the read_file function above), and throw a new exception object that contains the original exception (and also carries a file name.) This method seems to be particularly popular with C++ programmers with Java background. Exception wrapping leads to the following problems: *To wrap an exception object it must be copied, which may result in slicing. *Wrapping is practically impossible to use in generic contexts. The second point is actually special case of violating the exception neutrality principle. Most contexts in a program can not handle exceptions; such contexts should not interfere with the process of exception handling. !!!The boost::exception solution *Simply derive your exception types from boost::(:link </string>
+ <string> as a final fallback. All such types derive from boost::</string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). *Confidently limit the throw site to provide only data that is available naturally. *Use exception-neutral contexts between the throw and the catch to augment exceptions with more relevant data as they bubble up. For example, in the throw statement below we only add the errno code, since this is the only failure-relevant information available in this context: [@struct exception_base: virtual std::exception, virtual boost::(:link </string>
+ <string>, and: ** if the original exception object derives from boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) { }; struct io_error: virtual exception_base { }; struct file_read_error: virtual io_error { }; typedef boost::(:link </string>
+ <string>:), then the boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_errno_code,int> errno_code; void read_file( FILE * f ) { .... size_t nr=fread(buf,1,count,f); if( ferror(f) ) throw file_read_error() (:link </string>
+ <string>:) sub-object of the object referred to by the returned </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-19</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>|<<:) errno_code(errno); .... }@] In a higher exception-neutral context, we add the file name to ''any'' exception that derives from boost::(:link </string>
+ <string> is initialized by the boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:): [@typedef boost::(:link </string>
+ <string>:) copy constructor; ** if available, the exception contains the std::type_info of the original exception object, accessible through </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-57</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_file_name,std::string> file_name; .... try { if( FILE * fp=fopen("foo.txt","rt") ) { shared_ptr<FILE> f(fp,fclose); .... read_file(fp); //throws types deriving from boost::(:link </string>
+ <string><</string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-22</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) do_something(); .... } else throw file_open_error() (:link </string>
+ <string>>. </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-35</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>-19</id>
+ <id>-35</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>|<<:) errno_code(errno); } catch( boost::(:link </string>
+ <string>:)(e) is equivalent to throw boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-37</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) & e ) { e (:link </string>
+ <string>:)(boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-19</id>
+ <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>
+ <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>-43</id>
+ <id>-35</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) 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>-37</id>
+ <id>-35</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>:) 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>-37</id>
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</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<errno_code>(e) ) std::cerr << "OS says: " << strerror(*c) << "\n"; }@] In addition, boost::(: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>-6</id>
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</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>, or format an automatic diagnostic message using boost::</string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-30</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) objects added to a boost::(: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 !!!:) (:include decl:) !!!!Effects: Frees all resources associated with a boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). This is useful for inclusion in logs and other diagnostic objects. </string>
+ <string>:) object. !!!!Throws: Nothing. </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-23</id>
+ <id>-37</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>7</size>
+ <size>21</size>
<variant>2</variant>
- <string>(:auto !!!:) Deriving from boost::(:link </string>
+ <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>-43</id>
+ <id>-33</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>:) 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>-43</id>
+ <id>-37</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>:)(my_exception());@] Unless (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-37</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>
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- </weak_ptr>
- <container>
- <size>27</size>
- <variant>2</variant>
- <string>(:auto !!:) Some exception hierarchies can not be modified to make boost::(:link </string>
+ <string>:) is called at the time an exception object is used in a throw-expression, an attempt to copy it using (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) a base type. In this case, the (:link </string>
+ <string>:) may return an (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-25</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) function template can be used to make exception objects derive from boost::(:link </string>
+ <string>:) which refers to an instance of (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-28</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) anyway. Here is an example: [@#include <(:link </string>
+ <string>:). See (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-50</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> #include <stdexcept> typedef 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>-44</id>
+ <id>-35</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_std_range_min,size_t> std_range_min; typedef 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>-44</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_std_range_max,size_t> std_range_max; typedef boost::(:link </string>
+ <string>:) and supports the (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_std_range_index,size_t> std_range_index; template <class T> class my_container { public: size_t size() const; T const & operator[]( size_t i ) const { if( i > size() ) throw boost::(:link </string>
+ <string>:) functionality. </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 !!!:) 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>-25</id>
+ <id>-13</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)(std::range_error("Index out of range")) << std_range_min(0) << std_range_max(size()) << std_range_index(i); //.... } }; @] The call to (:link </string>
+ <string>:)> #include <boost/shared_ptr.hpp> #include <stdio.h> #include <string> #include <errno.h> typedef boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-25</id>
+ <id>-52</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>:)<struct tag_file_name,std::string> file_name_info; typedef boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) and T. This makes it possible to use (:link </string>
+ <string>:)<struct tag_function,char const *> function_info; typedef boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-19</id>
+ <id>-52</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>:)<struct tag_errno,int> errno_info; typedef boost::tuple<function_info,errno_info> clib_failure; class file_open_error: public boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) &, so that (: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() << file_name_info(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>-14</id>
+ <id>-57</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>-25</id>
+ <id>-39</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>5</size>
+ <size>1</size>
<variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) !!!!Requirements: T must be a class with an accessible no-throw copy constructor as per (15.5.1). !!!!Returns: * If T derives from boost::(:link </string>
+ <string>(:auto !!!:) (: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>-40</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>-43</id>
+ <id>-34</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>:) to get an (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-33</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>-26</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>17</size>
- <variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) The (:link </string>
+ <string>:) object: [@#include <(:link </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>:) 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 <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>-26</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)'s operations do not throw. Two instances of (:link </string>
+ <string>:)s void worker_thread( boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-26</id>
+ <id>-33</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>:) & error ) { try { do_work(); error = boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-26</id>
+ <id>-33</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>:)(); } catch( ... ) { error = boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-26</id>
+ <id>-34</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>:)(); } }@] In the above example, note that (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-26</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) object concurrently. * While calling (:link </string>
+ <string>:) captures the original type of the exception object. The exception can be thrown again using the (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-8</id>
+ <id>-39</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>:) function: [@// ...continued void work() { boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-41</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) concurrently to throw the same exception object into multiple threads. </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-27</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>3</size>
+ <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>-39</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!!:) (:include decl:) !!!!Effects: Frees all resources associated with a boost::(:link </string>
+ <string>:)(error); }@] Note that (: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>:) object. !!!!Throws: Nothing. </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-28</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>13</size>
+ <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>-33</id>
+ </shared_ptr>
+ </weak_ptr>
<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>:) points to an instance of std::bad_alloc, or * if (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-49</id>
+ <id>-37</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 </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>-44</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_file_name,std::string> file_name_info; typedef boost::(:link </string>
+ <string>:) points to an instance of (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-28</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_function,char const *> function_info; typedef boost::(:link </string>
+ <string>:). Regardless, the use of (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_errno,int> errno_info; typedef boost::tuple<function_info,errno_info> clib_failure; class file_open_error: public boost::(:link </string>
+ <string>:) and (: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>:) { }; 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() << file_name_info(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>:) in the above examples is well-formed. </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-41</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
+ <variant>2</variant>
+ <string>(:auto !!:) (:pagelist fmt="index" tags="function":) </string>
+ </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>(:auto !!!:) (:include synopsis:) !!!!Effects: Stores a copy of v in the </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-37</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). </string>
+ <string> object. (:include throws:) </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-29</id>
+ <id>-43</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>1</size>
+ <size>5</size>
<variant>2</variant>
- <string>(:auto !!:) (:pagelist fmt="index" tags="function":) </string>
+ <string>(:auto !!!:) Exception types should use virtual inheritance when deriving from other exception types. This insight is due to Andrew Koenig. Using virtual inheritance prevents ambiguity problems in the exception handler: [@#include <iostream> struct my_exc1 : std::exception { char const* what() const throw(); }; struct my_exc2 : std::exception { char const* what() const throw(); }; struct your_exc3 : my_exc1, my_exc2 {}; int main() { try { throw your_exc3(); } catch(std::exception const& e) {} catch(...) { std::cout << "whoops!" << std::endl; } }@] The program above outputs "whoops!" because the conversion to std::exception is ambiguous. The overhead introduced by virtual inheritance is always negligible in the context of exception handling. Note that virtual bases are initialized directly by the constructor of the most-derived-type (the type pass
ed to the throw statement, in case of exceptions.) However, typically this detail is of no concern when boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) is used, because it enables exception types to be trivial structs with no members (there's nothing to initialize.) See (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-12</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="w":). </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-30</id>
+ <id>-44</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -7305,7 +7339,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-15</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7314,7 +7348,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-15</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7323,7 +7357,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-54</id>
+ <id>-11</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7332,7 +7366,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-54</id>
+ <id>-11</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7341,7 +7375,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-56</id>
+ <id>-15</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7350,7 +7384,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-56</id>
+ <id>-15</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7359,7 +7393,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-49</id>
+ <id>-13</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7368,7 +7402,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-49</id>
+ <id>-13</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7377,7 +7411,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-52</id>
+ <id>-7</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7386,7 +7420,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-52</id>
+ <id>-7</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7395,7 +7429,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-34</id>
+ <id>-58</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7404,7 +7438,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-34</id>
+ <id>-58</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7413,7 +7447,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-60</id>
+ <id>-17</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7422,7 +7456,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-60</id>
+ <id>-17</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7431,7 +7465,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-57</id>
+ <id>-16</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7440,7 +7474,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-57</id>
+ <id>-16</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7449,7 +7483,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-21</id>
+ <id>-10</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7458,7 +7492,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-21</id>
+ <id>-10</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7467,7 +7501,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-58</id>
+ <id>-9</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7476,7 +7510,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-58</id>
+ <id>-9</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7485,7 +7519,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-50</id>
+ <id>-5</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7494,7 +7528,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-50</id>
+ <id>-5</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -7505,145 +7539,257 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-31</id>
+ <id>-45</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>19</size>
+ <size>5</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>
+ <string>(:auto !!!:) (:include synopsis:) !!!!Requirements: E must be boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</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: [@#include <(:link </string>
+ <string>:), or a type that derives (indirectly) from boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-50</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> #include <stdio.h> #include <errno.h> typedef boost::(:link </string>
+ <string>:). !!!!Effects: Equivalent to x << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<0>() << ... << v.(:link http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements|get:)<N>(). !!!!Returns: x. (:include throws:) </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-46</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>11</size>
+ <variant>2</variant>
+ <string>(:auto !!:) All exception types that derive from boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_errno,int> errno_info; class file_read_error: public 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>
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+ <id>-47</id>
</shared_ptr>
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- <string>:) { }; void file_read( FILE * f, void * buffer, size_t size ) { if( size!=fread(buffer,1,size,f) ) throw file_read_error() << errno_info(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>:), 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>-50</id>
+ <id>-27</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> #include <boost/shared_ptr.hpp> #include <stdio.h> #include <string> typedef boost::(:link </string>
+ <string>:) (:include </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-48</id>
</shared_ptr>
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<variant>2</variant>
- <string>:)<struct tag_file_name,std::string> file_name_info; 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>:) (:include </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-38</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) & e ) { e << file_name_info(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>:) </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>13</size>
+ <variant>2</variant>
+ <string>(:auto !!!:) (:include synopsis:) Class boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</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>:) 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>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
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- <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>
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- <expired>0</expired>
- <shared_ptr>
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- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>:) can store data of arbitrary types, using the (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-52</id>
+ </shared_ptr>
+ </weak_ptr>
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- <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>:) wrapper and (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-56</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> mod="/":). To retrieve data from a boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) object, use the (:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-57</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:) function template. </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-33</id>
+ <id>-48</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>5</size>
+ <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>-47</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: [@#include <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-5</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)> #include <stdio.h> #include <errno.h> typedef boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-52</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<struct tag_errno,int> errno_info; class file_read_error: public boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</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() << errno_info(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>-5</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)> #include <boost/shared_ptr.hpp> #include <stdio.h> #include <string> typedef boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-52</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)<struct tag_file_name,std::string> file_name_info; 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>-47</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) !!!!Description: Returns a const reference to the copy of the value passed to (:link </string>
+ <string>:) & e ) { e << file_name_info(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>-44</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)'s constructor stored in the (:link </string>
+ <string>:) object, stores the file name, and re-throws using a throw-expression with no operand (15.1.6). The rationale for catching any boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) object. !!!!Throws: Nothing. </string>
+ <string>:) object is that the file name is relevant to any failure that occurs in parse_file, ''even if the failure is unrelated to file I/O''. </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-34</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -7656,345 +7802,340 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-35</id>
+ <id>-50</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>3</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>-6</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
<variant>2</variant>
- <string>:) function, as used in ''libs/exception/example/example_io.cpp:'' [@example_io.cpp(83): 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 tag_errno *] = 2, OS says "No such file or directory" [struct tag_file_name *] = tmp1.txt [struct tag_function *] = fopen [struct tag_open_mode *] = rb@] </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>-36</id>
+ <id>-51</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>(:auto !!!:) (:include synopsis:) !!!!Effects: As if [@try { throw </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-26</id>
+ <id>-37</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) support in Boost Exception. Please see (:link </string>
+ <string>(e); } catch(...) { return (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-8</id>
+ <id>-34</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>-52</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>13</size>
+ <size>37</size>
<variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) !!!!Requirements: * ErrorInfo must be an instance of the (:link </string>
+ <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>-44</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) template. * E must be polymorphic. !!!!Returns: * If dynamic_cast<boost::(:link </string>
+ <string>:)<Tag,T> can be passed to (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-56</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> mod="/":) to be stored in objects of type boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-19</id>
+ <id>-47</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>:). !!!!Usage: The header <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-37</id>
+ <id>-11</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) become invalid. !!!!Throws: Nothing. !!!!Note: The interface of (:link </string>
+ <string>:)> provides a declaration of the (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-37</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) may be affected by the build (: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>-10</id>
+ <id>-11</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
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- <id>-38</id>
- </shared_ptr>
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- <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>:)> struct tag_errno; typedef boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-39</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>|copying:) of exception objects, implemented non-intrusively and automatically by the boost::(: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>-40</id>
+ <id>-11</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) function. !!Contents #(:link </string>
+ <string>:)> typedef boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-22</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) #Tutorial ##(: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>-14</id>
+ <id>-56</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="w":) ##(:link </string>
+ <string> mod="/":) (#include <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-24</id>
+ <id>-15</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="w":) ##(:link </string>
+ <string>:)> first) to store an int named tag_errno in exceptions of types that derive from boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-39</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="w":) ##(:link </string>
+ <string>:): [@throw file_read_error() (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-23</id>
+ <id>-56</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="w":) ##(:link </string>
+ <string>|<<:) errno_info(errno);@] It can also be passed to (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-42</id>
+ <id>-57</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="w":) ##(:link </string>
+ <string>:) (#include <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-5</id>
+ <id>-53</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> mod="w":) #Documentation ##Class (: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>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) ##Throwing Exceptions ###(:link </string>
+ <string>:): [@catch( boost::(: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>:) ###(:link </string>
+ <string>:) & x ) { if( int const * e=boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-40</id>
+ <id>-57</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) ##Transporting of Arbitrary Data to the Catch Site ###(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-44</id>
- </shared_ptr>
- </weak_ptr>
+ <string>:)<errno_info>(x) ) .... }@] </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-53</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>1</size>
<variant>2</variant>
- <string>:) ###(:link </string>
+ <string>(:auto !!:) !!!Synopsis (:include synopsis:) </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-54</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>
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- <string>|<<:) errno_info(errno);@] It can also be passed to (: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>-37</id>
+ <id>-32</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) (#include <(:link </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>-17</id>
+ <id>-35</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> first) to retrieve the tag_errno int from a boost::(:link </string>
+ <string>:) function predates the Boost Exception library and there has been some concern about its current behavior of injecting boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:): [@catch( boost::(:link </string>
+ <string>:) as a base of any exception passed to boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-35</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) & x ) { if( int const * e=boost::(:link </string>
+ <string>:). Such concerns are dictated by the typical strict interpretation of a common principle in C and C++, that users only pay for features they actually use. The problem is that users of Boost Exception can't by themselves cause a library to throw types that derive from boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-37</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<errno_info>(x) ) .... }@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-45</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>:), 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>-43</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) object. * Copy constructor: initializes a boost::(: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>-43</id>
+ <id>-37</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) object which shares ownership with x of all data added through (:link </string>
+ <string>:). If Boost Serialization calls boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-19</id>
+ <id>-35</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>-46</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>
+ <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>-50</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> #include <errno.h> #include <iostream> typedef boost::(: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>-44</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<struct tag_errno,int> errno_info; //(1) class my_error: public 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>-43</id>
+ <id>-56</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:), public std::exception { }; //(2) void f() { throw my_error() << errno_info(errno); //(3) } @] First, we instantiate the (: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>-44</id>
+ <id>-56</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:) template using a unique identifier -- tag_errno, 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>|<<:) foo_info(foo) (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-56</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:). Finally, (3) illustrates how the typedef from (1) can be used with (: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));@] </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-56</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>-19</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>|operator<<:) to store values in exception objects at the point of the throw. The stored errno value can be recovered at a later time like this: [@// ...continued void g() { try { f(); } catch( my_error & x ) { if( int const * err=boost::(:link </string>
+ <string>:), or a type that derives (indirectly) from boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-37</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)<errno_info>(x) ) std::cerr << "Error code: " << *err; } }@] The (:link </string>
+ <string>:). !!!!Effects: Stores a copy of v into x. If x already contains data of type (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-37</id>
+ <id>-52</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>
+ <string>:)<Tag,T>, that data is overwritten. !!!!Returns: x. (:include throws:) </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-47</id>
+ <id>-57</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>1</size>
+ <size>13</size>
<variant>2</variant>
- <string>(:auto !!:) (:pagelist fmt="index" tags="type":) </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-48</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>11</size>
+ <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>-52</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!!:) Here is how cloning can be enabled in a throw-expression (15.1): [@#include <(: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>-56</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> #include <stdio.h> #include <errno.h> typedef boost::error_info<struct tag_errno,int> errno_info; class file_read_error: public 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>-43</id>
+ <id>-56</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> 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>-9</id>
+ <id>-57</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)(file_read_error()) << errno_info(errno); }@] Of course, (:link </string>
+ <string>:) become invalid. !!!!Throws: Nothing. !!!!Note: The interface of (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-9</id>
+ <id>-57</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>:) may be affected by the build (:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-31</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
@@ -8720,20 +8792,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-49</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:) !!!Synopsis (:include synopsis:) </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-50</id>
+ <id>-58</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -8746,148 +8805,98 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-51</id>
+ <id>-59</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>5</size>
+ <size>7</size>
<variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) !!!!Definition: The expression </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>-44</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string><Tag,T>::(:link </string>
+ <string>:) object. * Copy constructor: initializes a boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-51</id>
+ <id>-47</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>-52</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>-53</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>(:auto !!:) (:pagelist fmt="index" tags="hpp" sort_prefix="6":) </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-54</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <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>-56</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!:) !!!Synopsis (:include synopsis:) </string>
+ <string> mod="/":), including data that is added at a future time. !!!!Throws: Nothing. </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-55</id>
+ <id>-60</id>
</shared_ptr>
</weak_ptr>
<container>
- <size>1</size>
+ <size>11</size>
<variant>2</variant>
- <string>(:auto !!:) (:pagelist tags="macro":) </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-56</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <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>-37</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>-57</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <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>-35</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>-58</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>:) are guaranteed to derive from boost::(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</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>-59</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>:) and to support cloning. (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-25</id>
+ </shared_ptr>
+ </weak_ptr>
<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>-60</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
+ <string>:) (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-40</id>
+ </shared_ptr>
+ </weak_ptr>
<variant>2</variant>
- <string>(:auto !!:) !!!Synopsis (:include synopsis:) </string>
+ <string>:) </string>
</container>
</pair>
<pair>
@@ -8900,43 +8909,43 @@
<container>
<size>9</size>
<variant>2</variant>
- <string>(:auto !!!:) (:include synopsis:) This </string>
+ <string>(:auto !!!:) (:include synopsis:) !!!!Requirements: This function must not be called outside of a catch block. !!!!Returns: If the current exception object can be converted to boost::(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> typedef is used by </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>-8</id>
+ <id>-30</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> if it defaults to returning an </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>-26</id>
+ <id>-61</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> that refers to an object of type </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>-36</id>
+ <id>-61</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>, to record in it the std::type_info of the original exception object.</string>
+ <string>(); } }@] </string>
</container>
</pair>
</sorted>
@@ -9038,9 +9047,7 @@
</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>
@@ -9051,9 +9058,7 @@
</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>
@@ -9119,19 +9124,6 @@
</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>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-20</id>
- </shared_ptr>
- </weak_ptr>
- <container>
<size>0</size>
</container>
</pair>
@@ -9139,7 +9131,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-21</id>
+ <id>-22</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -9150,7 +9142,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-22</id>
+ <id>-23</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -9161,7 +9153,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-23</id>
+ <id>-20</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -9374,7 +9366,9 @@
</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>
@@ -9407,7 +9401,9 @@
</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>
@@ -9524,7 +9520,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-56</id>
+ <id>-21</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -9535,6 +9531,19 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
+ <id>-56</id>
+ </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>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
<id>-57</id>
</shared_ptr>
</weak_ptr>
@@ -9608,7 +9617,9 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>[@(:include api:)@] </string>
</container>
</pair>
<pair>
@@ -9626,11 +9637,11 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-34</id>
+ <id>-15</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)>\\ [@namespace boost { (:include decl pre_indent="4":) }@] </string>
+ <string>:)> [@(:include decl:)@] </string>
</container>
</pair>
<pair>
@@ -9643,16 +9654,16 @@
<container>
<size>3</size>
<variant>2</variant>
- <string>`#include <</string>
+ <string>[@#include <</string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-58</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>> (:include decl:) </string>
+ <string>> namespace boost { (:include api pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -9663,18 +9674,7 @@
</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>-57</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -9685,18 +9685,9 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>3</size>
- <variant>2</variant>
- <string>`#include <</string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-21</id>
- </shared_ptr>
- </weak_ptr>
+ <size>1</size>
<variant>2</variant>
- <string>> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
+ <string>(:include api:) </string>
</container>
</pair>
<pair>
@@ -9707,7 +9698,18 @@
</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>-49</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>> namespace boost { (:include api pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -9718,7 +9720,9 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>[@namespace boost { (:include api pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -9729,18 +9733,7 @@
</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>-56</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>:)> [@(:include decl:)@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -9751,27 +9744,18 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>5</size>
- <variant>2</variant>
- <string>`#include <(:link </string>
- <variant>1</variant>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-49</id>
- </shared_ptr>
- </weak_ptr>
+ <size>3</size>
<variant>2</variant>
- <string>:)> [@namespace boost { (:include </string>
+ <string>[@#include <</string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-13</id>
+ <id>-15</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> decl pre_indent="4":) }@] </string>
+ <string>> #include <boost/tuple/tuple.hpp> namespace boost { (:include api pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -9793,9 +9777,18 @@
</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 <(:link </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-49</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)> namespace boost { (:include api pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -9808,16 +9801,16 @@
<container>
<size>3</size>
<variant>2</variant>
- <string>`#include <(:link </string>
+ <string>[@#include <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-57</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
+ <string>:)> namespace boost { (:include api pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -9830,7 +9823,7 @@
<container>
<size>1</size>
<variant>2</variant>
- <string>[@#include <boost/shared_ptr.hpp> namespace boost { (:include api pre_indent="4":) }@] </string>
+ <string>[@namespace boost { (:include api pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -9852,69 +9845,36 @@
</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>-56</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>
- </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>-34</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>-21</id>
+ <id>-22</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 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>-22</id>
+ <id>-23</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -9925,7 +9885,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-23</id>
+ <id>-20</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -9951,18 +9911,7 @@
</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>-52</id>
- </shared_ptr>
- </weak_ptr>
- <variant>2</variant>
- <string>> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -9975,16 +9924,16 @@
<container>
<size>3</size>
<variant>2</variant>
- <string>`#include <(:link </string>
+ <string>`#include <</string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-57</id>
+ <id>-7</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>
@@ -10006,7 +9955,18 @@
</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>-16</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -10028,7 +9988,18 @@
</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>-58</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)>\\ [@namespace boost { (:include decl pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -10057,11 +10028,11 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-60</id>
+ <id>-9</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
+ <string>> (:include decl:) </string>
</container>
</pair>
<pair>
@@ -10079,11 +10050,11 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-56</id>
+ <id>-16</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> [@(:include decl:)@] </string>
+ <string>:)> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -10096,16 +10067,16 @@
<container>
<size>3</size>
<variant>2</variant>
- <string>[@#include <string> namespace boost { (:include </string>
+ <string>`#include <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-16</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string> decl pre_indent="4":) (:include api pre_indent="4":) }@] </string>
+ <string>:)> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -10116,17 +10087,6 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>0</size>
- </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>`#include <(:link </string>
@@ -10134,42 +10094,51 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-57</id>
+ <id>-9</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>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-37</id>
+ <id>-36</id>
</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>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-38</id>
+ <id>-37</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>-10</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>-39</id>
+ <id>-38</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -10180,7 +10149,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-40</id>
+ <id>-39</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -10191,40 +10160,29 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-58</id>
+ <id>-16</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> [@namespace boost { (:include decl:) }@] </string>
+ <string>:)> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-41</id>
+ <id>-40</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>-57</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>-42</id>
+ <id>-41</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -10235,7 +10193,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-42</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -10250,7 +10208,18 @@
</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>-43</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -10261,25 +10230,45 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>3</size>
+ <size>0</size>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-45</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
+ <size>5</size>
<variant>2</variant>
<string>`#include <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-56</id>
+ <id>-13</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> [@namespace boost { (:include def pre_indent="4":) }@] </string>
+ <string>:)> [@namespace boost { (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-45</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl 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>
@@ -10290,18 +10279,29 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-46</id>
+ <id>-47</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>-49</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>-47</id>
+ <id>-48</id>
</shared_ptr>
</weak_ptr>
<container>
@@ -10312,46 +10312,35 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-48</id>
+ <id>-49</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>-49</id>
+ <id>-50</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>-56</id>
+ <id>-17</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>> #include <boost/tuple/tuple.hpp> namespace boost { (:include api pre_indent="4":) }@] </string>
- </container>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-50</id>
- </shared_ptr>
- </weak_ptr>
- <container>
- <size>1</size>
- <variant>2</variant>
- <string>[@(:include api:)@] </string>
+ <string>> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -10369,11 +10358,11 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-56</id>
+ <id>-16</id>
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>:)> [@(:include decl:)@] </string>
+ <string>:)> [@namespace boost { (:include decl pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -10386,7 +10375,7 @@
<container>
<size>3</size>
<variant>2</variant>
- <string>[@#include <</string>
+ <string>`#include <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
@@ -10395,7 +10384,7 @@
</shared_ptr>
</weak_ptr>
<variant>2</variant>
- <string>> namespace boost { (:include api pre_indent="4":) }@] </string>
+ <string>:)> [@namespace boost { (:include def pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -10406,7 +10395,9 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>0</size>
+ <size>1</size>
+ <variant>2</variant>
+ <string>[@#include <boost/shared_ptr.hpp> namespace boost { (:include api pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -10417,9 +10408,7 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>1</size>
- <variant>2</variant>
- <string>[@namespace boost { (:include api pre_indent="4":) }@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -10430,6 +10419,28 @@
</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>-15</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string>:)> [@(:include decl:)@] </string>
+ </container>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-21</id>
+ </shared_ptr>
+ </weak_ptr>
+ <container>
<size>0</size>
</container>
</pair>
@@ -10443,7 +10454,7 @@
<container>
<size>3</size>
<variant>2</variant>
- <string>[@#include <(:link </string>
+ <string>`#include <(:link </string>
<variant>1</variant>
<weak_ptr>
<expired>0</expired>
@@ -10452,7 +10463,7 @@
</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>
@@ -10463,18 +10474,9 @@
</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>-15</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>
@@ -10485,9 +10487,18 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>1</size>
+ <size>3</size>
<variant>2</variant>
- <string>(:include api:) </string>
+ <string>[@#include <string> namespace boost { (:include </string>
+ <variant>1</variant>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-47</id>
+ </shared_ptr>
+ </weak_ptr>
+ <variant>2</variant>
+ <string> decl pre_indent="4":) (:include api pre_indent="4":) }@] </string>
</container>
</pair>
<pair>
@@ -10509,9 +10520,7 @@
</shared_ptr>
</weak_ptr>
<container>
- <size>1</size>
- <variant>2</variant>
- <string>[@namespace boost { (:include api pre_indent="4":) }@] </string>
+ <size>0</size>
</container>
</pair>
<pair>
@@ -10524,16 +10533,16 @@
<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>-57</id>
+ <id>-58</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>
</sorted>
@@ -10600,18 +10609,15 @@
<id>-19</id>
</shared_ptr>
<shared_ptr>
- <id>-20</id>
- </shared_ptr>
- <shared_ptr>
- <id>-21</id>
- </shared_ptr>
- <shared_ptr>
<id>-22</id>
</shared_ptr>
<shared_ptr>
<id>-23</id>
</shared_ptr>
<shared_ptr>
+ <id>-20</id>
+ </shared_ptr>
+ <shared_ptr>
<id>-24</id>
</shared_ptr>
<shared_ptr>
@@ -10708,6 +10714,9 @@
<id>-55</id>
</shared_ptr>
<shared_ptr>
+ <id>-21</id>
+ </shared_ptr>
+ <shared_ptr>
<id>-56</id>
</shared_ptr>
<shared_ptr>
@@ -10744,7 +10753,7 @@
</path>
</file>
<shared_ptr>
- <id>-38</id>
+ <id>-54</id>
</shared_ptr>
</pair>
<pair>
@@ -10761,7 +10770,7 @@
</path>
</file>
<shared_ptr>
- <id>-39</id>
+ <id>-60</id>
</shared_ptr>
</pair>
<pair>
@@ -10778,7 +10787,7 @@
</path>
</file>
<shared_ptr>
- <id>-14</id>
+ <id>-46</id>
</shared_ptr>
</pair>
<pair>
@@ -10795,7 +10804,7 @@
</path>
</file>
<shared_ptr>
- <id>-59</id>
+ <id>-18</id>
</shared_ptr>
</pair>
<pair>
@@ -10812,7 +10821,7 @@
</path>
</file>
<shared_ptr>
- <id>-52</id>
+ <id>-7</id>
</shared_ptr>
</pair>
<pair>
@@ -10829,7 +10838,7 @@
</path>
</file>
<shared_ptr>
- <id>-21</id>
+ <id>-10</id>
</shared_ptr>
</pair>
<pair>
@@ -10846,7 +10855,7 @@
</path>
</file>
<shared_ptr>
- <id>-22</id>
+ <id>-19</id>
</shared_ptr>
</pair>
<pair>
@@ -10863,7 +10872,7 @@
</path>
</file>
<shared_ptr>
- <id>-42</id>
+ <id>-43</id>
</shared_ptr>
</pair>
<pair>
@@ -10880,7 +10889,7 @@
</path>
</file>
<shared_ptr>
- <id>-23</id>
+ <id>-12</id>
</shared_ptr>
</pair>
<pair>
@@ -10897,7 +10906,7 @@
</path>
</file>
<shared_ptr>
- <id>-18</id>
+ <id>-21</id>
</shared_ptr>
</pair>
<pair>
@@ -10914,7 +10923,7 @@
</path>
</file>
<shared_ptr>
- <id>-29</id>
+ <id>-41</id>
</shared_ptr>
</pair>
<pair>
@@ -10931,7 +10940,7 @@
</path>
</file>
<shared_ptr>
- <id>-53</id>
+ <id>-23</id>
</shared_ptr>
</pair>
<pair>
@@ -10948,7 +10957,7 @@
</path>
</file>
<shared_ptr>
- <id>-47</id>
+ <id>-24</id>
</shared_ptr>
</pair>
<pair>
@@ -10965,7 +10974,7 @@
</path>
</file>
<shared_ptr>
- <id>-55</id>
+ <id>-14</id>
</shared_ptr>
</pair>
<pair>
@@ -10982,7 +10991,7 @@
</path>
</file>
<shared_ptr>
- <id>-30</id>
+ <id>-44</id>
</shared_ptr>
</pair>
<pair>
@@ -11010,7 +11019,7 @@
</path>
</file>
<shared_ptr>
- <id>-6</id>
+ <id>-30</id>
</shared_ptr>
</pair>
<pair>
@@ -11034,7 +11043,7 @@
</path>
</file>
<shared_ptr>
- <id>-11</id>
+ <id>-40</id>
</shared_ptr>
</pair>
<pair>
@@ -11058,7 +11067,7 @@
</path>
</file>
<shared_ptr>
- <id>-35</id>
+ <id>-8</id>
</shared_ptr>
</pair>
<pair>
@@ -11082,7 +11091,7 @@
</path>
</file>
<shared_ptr>
- <id>-34</id>
+ <id>-58</id>
</shared_ptr>
</pair>
<pair>
@@ -11106,7 +11115,7 @@
</path>
</file>
<shared_ptr>
- <id>-24</id>
+ <id>-20</id>
</shared_ptr>
</pair>
<pair>
@@ -11134,7 +11143,7 @@
</path>
</file>
<shared_ptr>
- <id>-32</id>
+ <id>-50</id>
</shared_ptr>
</pair>
<pair>
@@ -11158,7 +11167,7 @@
</path>
</file>
<shared_ptr>
- <id>-57</id>
+ <id>-16</id>
</shared_ptr>
</pair>
<pair>
@@ -11186,7 +11195,7 @@
</path>
</file>
<shared_ptr>
- <id>-37</id>
+ <id>-57</id>
</shared_ptr>
</pair>
<pair>
@@ -11210,7 +11219,7 @@
</path>
</file>
<shared_ptr>
- <id>-5</id>
+ <id>-29</id>
</shared_ptr>
</pair>
<pair>
@@ -11234,7 +11243,7 @@
</path>
</file>
<shared_ptr>
- <id>-50</id>
+ <id>-5</id>
</shared_ptr>
</pair>
<pair>
@@ -11262,7 +11271,7 @@
</path>
</file>
<shared_ptr>
- <id>-12</id>
+ <id>-42</id>
</shared_ptr>
</pair>
<pair>
@@ -11290,7 +11299,7 @@
</path>
</file>
<shared_ptr>
- <id>-19</id>
+ <id>-56</id>
</shared_ptr>
</pair>
<pair>
@@ -11314,7 +11323,7 @@
</path>
</file>
<shared_ptr>
- <id>-46</id>
+ <id>-27</id>
</shared_ptr>
</pair>
<pair>
@@ -11338,7 +11347,7 @@
</path>
</file>
<shared_ptr>
- <id>-56</id>
+ <id>-15</id>
</shared_ptr>
</pair>
<pair>
@@ -11366,7 +11375,7 @@
</path>
</file>
<shared_ptr>
- <id>-40</id>
+ <id>-35</id>
</shared_ptr>
</pair>
<pair>
@@ -11398,7 +11407,7 @@
</path>
</file>
<shared_ptr>
- <id>-10</id>
+ <id>-31</id>
</shared_ptr>
</pair>
<pair>
@@ -11422,7 +11431,7 @@
</path>
</file>
<shared_ptr>
- <id>-60</id>
+ <id>-17</id>
</shared_ptr>
</pair>
<pair>
@@ -11450,7 +11459,7 @@
</path>
</file>
<shared_ptr>
- <id>-44</id>
+ <id>-52</id>
</shared_ptr>
</pair>
<pair>
@@ -11482,7 +11491,7 @@
</path>
</file>
<shared_ptr>
- <id>-51</id>
+ <id>-6</id>
</shared_ptr>
</pair>
<pair>
@@ -11514,7 +11523,7 @@
</path>
</file>
<shared_ptr>
- <id>-33</id>
+ <id>-55</id>
</shared_ptr>
</pair>
<pair>
@@ -11538,7 +11547,7 @@
</path>
</file>
<shared_ptr>
- <id>-17</id>
+ <id>-53</id>
</shared_ptr>
</pair>
<pair>
@@ -11562,7 +11571,7 @@
</path>
</file>
<shared_ptr>
- <id>-15</id>
+ <id>-49</id>
</shared_ptr>
</pair>
<pair>
@@ -11590,7 +11599,7 @@
</path>
</file>
<shared_ptr>
- <id>-27</id>
+ <id>-36</id>
</shared_ptr>
</pair>
<pair>
@@ -11618,7 +11627,7 @@
</path>
</file>
<shared_ptr>
- <id>-9</id>
+ <id>-37</id>
</shared_ptr>
</pair>
<pair>
@@ -11646,7 +11655,7 @@
</path>
</file>
<shared_ptr>
- <id>-25</id>
+ <id>-26</id>
</shared_ptr>
</pair>
<pair>
@@ -11674,7 +11683,7 @@
</path>
</file>
<shared_ptr>
- <id>-43</id>
+ <id>-47</id>
</shared_ptr>
</pair>
<pair>
@@ -11706,7 +11715,7 @@
</path>
</file>
<shared_ptr>
- <id>-45</id>
+ <id>-59</id>
</shared_ptr>
</pair>
<pair>
@@ -11730,7 +11739,7 @@
</path>
</file>
<shared_ptr>
- <id>-49</id>
+ <id>-13</id>
</shared_ptr>
</pair>
<pair>
@@ -11754,7 +11763,7 @@
</path>
</file>
<shared_ptr>
- <id>-48</id>
+ <id>-25</id>
</shared_ptr>
</pair>
<pair>
@@ -11778,7 +11787,7 @@
</path>
</file>
<shared_ptr>
- <id>-7</id>
+ <id>-32</id>
</shared_ptr>
</pair>
<pair>
@@ -11802,7 +11811,7 @@
</path>
</file>
<shared_ptr>
- <id>-58</id>
+ <id>-9</id>
</shared_ptr>
</pair>
<pair>
@@ -11826,7 +11835,7 @@
</path>
</file>
<shared_ptr>
- <id>-31</id>
+ <id>-48</id>
</shared_ptr>
</pair>
<pair>
@@ -11854,7 +11863,7 @@
</path>
</file>
<shared_ptr>
- <id>-36</id>
+ <id>-28</id>
</shared_ptr>
</pair>
<pair>
@@ -11882,7 +11891,7 @@
</path>
</file>
<shared_ptr>
- <id>-8</id>
+ <id>-34</id>
</shared_ptr>
</pair>
<pair>
@@ -11910,7 +11919,7 @@
</path>
</file>
<shared_ptr>
- <id>-26</id>
+ <id>-33</id>
</shared_ptr>
</pair>
<pair>
@@ -11938,7 +11947,7 @@
</path>
</file>
<shared_ptr>
- <id>-61</id>
+ <id>-22</id>
</shared_ptr>
</pair>
<pair>
@@ -11966,7 +11975,7 @@
</path>
</file>
<shared_ptr>
- <id>-41</id>
+ <id>-39</id>
</shared_ptr>
</pair>
<pair>
@@ -11994,7 +12003,7 @@
</path>
</file>
<shared_ptr>
- <id>-16</id>
+ <id>-51</id>
</shared_ptr>
</pair>
<pair>
@@ -12022,7 +12031,7 @@
</path>
</file>
<shared_ptr>
- <id>-54</id>
+ <id>-11</id>
</shared_ptr>
</pair>
<pair>
@@ -12050,7 +12059,7 @@
</path>
</file>
<shared_ptr>
- <id>-13</id>
+ <id>-45</id>
</shared_ptr>
</pair>
<pair>
@@ -12074,7 +12083,7 @@
</path>
</file>
<shared_ptr>
- <id>-28</id>
+ <id>-38</id>
</shared_ptr>
</pair>
<pair>
@@ -12098,7 +12107,7 @@
</path>
</file>
<shared_ptr>
- <id>-20</id>
+ <id>-61</id>
</shared_ptr>
</pair>
</sorted>
@@ -12129,7 +12138,7 @@
<id>-5</id>
</shared_ptr>
</weak_ptr>
- <string>diagnostic_information tutorial</string>
+ <string></string>
</pair>
<pair>
<weak_ptr>
@@ -12138,7 +12147,7 @@
<id>-6</id>
</shared_ptr>
</weak_ptr>
- <string>diagnostic_information free function</string>
+ <string>type</string>
</pair>
<pair>
<weak_ptr>
@@ -12147,16 +12156,7 @@
<id>-7</id>
</shared_ptr>
</weak_ptr>
- <string>macro</string>
- </pair>
- <pair>
- <weak_ptr>
- <expired>0</expired>
- <shared_ptr>
- <id>-8</id>
- </shared_ptr>
- </weak_ptr>
- <string>exception_ptr free function</string>
+ <string>error_info</string>
</pair>
<pair>
<weak_ptr>
@@ -12165,25 +12165,25 @@
<id>-9</id>
</shared_ptr>
</weak_ptr>
- <string>exception_ptr free function</string>
+ <string></string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-11</id>
+ <id>-10</id>
</shared_ptr>
</weak_ptr>
- <string>noindex tutorial</string>
+ <string>exception_ptr</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-12</id>
+ <id>-11</id>
</shared_ptr>
</weak_ptr>
- <string>function member</string>
+ <string></string>
</pair>
<pair>
<weak_ptr>
@@ -12192,22 +12192,22 @@
<id>-13</id>
</shared_ptr>
</weak_ptr>
- <string>error_info free function</string>
+ <string></string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-14</id>
+ <id>-15</id>
</shared_ptr>
</weak_ptr>
- <string>tutorial</string>
+ <string></string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-15</id>
+ <id>-16</id>
</shared_ptr>
</weak_ptr>
<string></string>
@@ -12216,28 +12216,28 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-16</id>
+ <id>-17</id>
</shared_ptr>
</weak_ptr>
- <string>exception_ptr free function</string>
+ <string></string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-17</id>
+ <id>-18</id>
</shared_ptr>
</weak_ptr>
- <string>error_info</string>
+ <string></string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-19</id>
+ <id>-22</id>
</shared_ptr>
</weak_ptr>
- <string>error_info free function</string>
+ <string>type</string>
</pair>
<pair>
<weak_ptr>
@@ -12246,97 +12246,97 @@
<id>-20</id>
</shared_ptr>
</weak_ptr>
- <string>function</string>
+ <string>tutorial</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-21</id>
+ <id>-25</id>
</shared_ptr>
</weak_ptr>
- <string>exception_ptr</string>
+ <string>noindex tutorial</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-24</id>
+ <id>-26</id>
</shared_ptr>
</weak_ptr>
- <string>tutorial</string>
+ <string>error_info free function</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-25</id>
+ <id>-27</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>-26</id>
+ <id>-28</id>
</shared_ptr>
</weak_ptr>
- <string>type</string>
+ <string>exception_ptr type</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-27</id>
+ <id>-29</id>
</shared_ptr>
</weak_ptr>
- <string>function</string>
+ <string>diagnostic_information tutorial</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-28</id>
+ <id>-30</id>
</shared_ptr>
</weak_ptr>
- <string>noalso noindex tutorial</string>
+ <string>diagnostic_information free function</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-31</id>
+ <id>-32</id>
</shared_ptr>
</weak_ptr>
- <string>noalso noindex tutorial</string>
+ <string>macro</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-32</id>
+ <id>-33</id>
</shared_ptr>
</weak_ptr>
- <string>function</string>
+ <string>type</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-33</id>
+ <id>-34</id>
</shared_ptr>
</weak_ptr>
- <string>function member</string>
+ <string>exception_ptr free function</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-34</id>
+ <id>-35</id>
</shared_ptr>
</weak_ptr>
- <string></string>
+ <string>free function</string>
</pair>
<pair>
<weak_ptr>
@@ -12345,7 +12345,7 @@
<id>-36</id>
</shared_ptr>
</weak_ptr>
- <string>exception_ptr type</string>
+ <string>function</string>
</pair>
<pair>
<weak_ptr>
@@ -12354,7 +12354,7 @@
<id>-37</id>
</shared_ptr>
</weak_ptr>
- <string>error_info free function</string>
+ <string>exception_ptr free function</string>
</pair>
<pair>
<weak_ptr>
@@ -12363,7 +12363,7 @@
<id>-38</id>
</shared_ptr>
</weak_ptr>
- <string>noindex</string>
+ <string>noalso noindex tutorial</string>
</pair>
<pair>
<weak_ptr>
@@ -12372,7 +12372,7 @@
<id>-39</id>
</shared_ptr>
</weak_ptr>
- <string>tutorial</string>
+ <string>exception_ptr free function</string>
</pair>
<pair>
<weak_ptr>
@@ -12381,22 +12381,22 @@
<id>-40</id>
</shared_ptr>
</weak_ptr>
- <string>free function</string>
+ <string>noindex tutorial</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-41</id>
+ <id>-42</id>
</shared_ptr>
</weak_ptr>
- <string>exception_ptr free function</string>
+ <string>function member</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-42</id>
+ <id>-43</id>
</shared_ptr>
</weak_ptr>
<string>tutorial</string>
@@ -12405,34 +12405,34 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-43</id>
+ <id>-45</id>
</shared_ptr>
</weak_ptr>
- <string>type</string>
+ <string>error_info free function</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-44</id>
+ <id>-46</id>
</shared_ptr>
</weak_ptr>
- <string>type</string>
+ <string>tutorial</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-45</id>
+ <id>-47</id>
</shared_ptr>
</weak_ptr>
- <string>function</string>
+ <string>type</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-46</id>
+ <id>-48</id>
</shared_ptr>
</weak_ptr>
<string>noalso noindex tutorial</string>
@@ -12441,34 +12441,34 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-48</id>
+ <id>-49</id>
</shared_ptr>
</weak_ptr>
- <string>noindex tutorial</string>
+ <string></string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-49</id>
+ <id>-50</id>
</shared_ptr>
</weak_ptr>
- <string></string>
+ <string>function</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-50</id>
+ <id>-51</id>
</shared_ptr>
</weak_ptr>
- <string></string>
+ <string>exception_ptr free function</string>
</pair>
<pair>
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-51</id>
+ <id>-52</id>
</shared_ptr>
</weak_ptr>
<string>type</string>
@@ -12477,7 +12477,7 @@
<weak_ptr>
<expired>0</expired>
<shared_ptr>
- <id>-52</id>
+ <id>-53</id>
</shared_ptr>
</weak_ptr>
<string>error_info</string>
@@ -12489,7 +12489,16 @@
<id>-54</id>
</shared_ptr>
</weak_ptr>
- <string></string>
+ <string>noindex</string>
+ </pair>
+ <pair>
+ <weak_ptr>
+ <expired>0</expired>
+ <shared_ptr>
+ <id>-55</id>
+ </shared_ptr>
+ </weak_ptr>
+ <string>function member</string>
</pair>
<pair>
<weak_ptr>
@@ -12498,7 +12507,7 @@
<id>-56</id>
</shared_ptr>
</weak_ptr>
- <string></string>
+ <string>error_info free function</string>
</pair>
<pair>
<weak_ptr>
@@ -12507,7 +12516,7 @@
<id>-57</id>
</shared_ptr>
</weak_ptr>
- <string></string>
+ <string>error_info free function</string>
</pair>
<pair>
<weak_ptr>
@@ -12525,7 +12534,7 @@
<id>-59</id>
</shared_ptr>
</weak_ptr>
- <string></string>
+ <string>function</string>
</pair>
<pair>
<weak_ptr>
@@ -12534,7 +12543,7 @@
<id>-60</id>
</shared_ptr>
</weak_ptr>
- <string></string>
+ <string>tutorial</string>
</pair>
<pair>
<weak_ptr>
@@ -12543,7 +12552,7 @@
<id>-61</id>
</shared_ptr>
</weak_ptr>
- <string>type</string>
+ <string>function</string>
</pair>
</sorted>
</tag_index>
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