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Boost Exception documentation update [SVN r44444]
2008-04-15 21:56:34 +00:00
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<h1>Boost Exception</h1>
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<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
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<div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>current_exception</h3>
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<div class="RenoIncludeDIV"><p><span class="RenoEscape">&#35;<!--<wiki>`&#35;</wiki>--></span>include &lt;<span class="RenoLink"><a href="exception_cloning_hpp.html">boost/exception_ptr.hpp</a></span>&gt;</p>
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<pre>namespace
boost
{
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<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> <span class="RenoLink">current_exception</span>();</span>
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}</pre>
</div><h4>Requirements:</h4>
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<p>The <span class="RenoLink">current_exception</span> function must not be called outside of a catch block.</p>
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<h4>Returns:</h4>
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<div><ul><li> An <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> that refers to the currently handled exception or a copy of the currently handled exception.</li>
<li> If the function needs to allocate memory and the attempt fails, it returns an <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> that refers to an instance of std::bad_alloc.</li>
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</ul></div>
documentation update, added function exception::diagnostic_information, added std::exception to_string overload, removed tabs from source files [SVN r46697]
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<h4>Throws:</h4>
<p>Nothing.</p>
Boost Exception documentation update [SVN r44444]
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<h4>Notes:</h4>
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<div><ul><li> It is unspecified whether the return values of two successive calls to <span class="RenoLink">current_exception</span> refer to the same exception object.</li>
<li> Correct implementation of <span class="RenoLink">current_exception</span> may require compiler support, unless <span class="RenoLink"><a href="enable_current_exception.html">enable_current_exception</a></span> was used at the time the currently handled exception object was passed to throw. If <span class="RenoLink"><a href="enable_current_exception.html">enable_current_exception</a></span> was not used, and if the compiler does not provide the necessary support, then <span class="RenoLink">current_exception</span> may return an <span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span> that refers to an instance of <span class="RenoLink"><a href="unknown_exception.html">unknown_exception</a></span>. In this case, if the original exception object derives from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>, then the boost::<span class="RenoLink"><a href="exception.html">exception</a></span> sub-object of the <span class="RenoLink"><a href="unknown_exception.html">unknown_exception</a></span> object is initialized by the boost::<span class="RenoLink"><a href="exception.html">exception</a></span> copy constructor.</li>
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</ul></div>
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</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>See Also:</h3>
Boost Exception documentation update [SVN r44444]
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<div class="RenoPageList"><a href="boost-exception.html">Boost Exception<br/>
documentation update, added function exception::diagnostic_information, added std::exception to_string overload, removed tabs from source files [SVN r46697]
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</a><a href="exception_cloning_hpp.html">boost/exception_ptr.hpp<br/>
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</a><a href="copy_exception.html">copy_exception<br/>
</a><a href="enable_current_exception.html">enable_current_exception<br/>
documentation update [SVN r48489]
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</a><a href="exception_ptr.html">exception_ptr<br/>
documentation update [SVN r52280]
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</a><a href="frequently_asked_questions.html">Frequently Asked Questions<br/>
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</a><a href="unknown_exception.html">unknown_exception<br/>
</a></div>
removed tabs from source files updated documentation [SVN r47250]
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</div>
documentation copyright message update [SVN r52125]
2009-04-02 05:00:47 +00:00
<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->
minor documentation fixes. [SVN r44476]
2008-04-16 22:55:19 +00:00
<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
Boost Exception documentation update [SVN r44444]
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<small>Copyright (c) 2006-2009 by Emil Dotchevski and Reverge Studios, Inc.<br/>
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Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small>
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