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56 lines
3.8 KiB
HTML
56 lines
3.8 KiB
HTML
<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN'
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'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>
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<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>
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<head>
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<meta http-equiv='Content-Type' content='text/html; charset=utf-8'/>
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<title>Configuration</title>
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<link href='reno.css' type='text/css' rel='stylesheet'/>
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</head>
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<body>
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<div class="body-0">
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<div class="body-1">
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<div class="body-2">
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<div>
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<div id="boost_logo">
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<a href="http://www.boost.org"><img style="border:0" src="http://www.boost.org/boost.png" alt="Boost" width="277" height="86"/></a>
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</div>
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<h1>Boost Exception</h1>
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</div>
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<!-- Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc. -->
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<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
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<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
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<div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>Configuration</h3>
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</div>
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<p>Boost Exception responds to the following configuration macros:</p>
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<p><b>BOOST_NO_RTTI/BOOST_NO_TYPEID</b></p>
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<p>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. Defining either macro does not have an observable degrading effect on the library functionality, except for the following:</p>
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<blockquote><p>By default, the <span class="RenoLink"><a href="get_error_info.html">get_error_info</a></span> function template can be called with any exception type. If BOOST_NO_RTTI is defined, <span class="RenoLink"><a href="get_error_info.html">get_error_info</a></span> can be used only with objects of type boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p></blockquote>
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<p><i>Note: the configuration where BOOST_NO_RTTI is defined but BOOST_NO_TYPEID is not defined is specific for MSVC compilers; it reduces RTTI overhead without fully disabling std::type_info. For most (all?) other compilers, to use Boost Exception without RTTI, both BOOST_NO_RTTI and BOOST_NO_TYPEID must be defined.</i></p>
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<p><b>BOOST_EXCEPTION_DISABLE</b></p>
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<p>By default, <span class="RenoLink"><a href="enable_current_exception.html">enable_current_exception</a></span> and <span class="RenoLink"><a href="enable_error_info.html">enable_error_info</a></span> are integrated directly in the <span class="RenoLink"><a href="throw_exception.html">throw_exception</a></span> function. Defining BOOST_EXCEPTION_DISABLE disables this integration.</p>
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<p>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 <span class="RenoLink"><a href="throw_exception_hpp.html">boost/throw_exception.hpp</a></span>.</p>
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</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
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<h3>See Also:</h3>
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<div class="RenoPageList"><a href="boost-exception.html">Boost Exception<br/>
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</a><a href="get_error_info.html">get_error_info<br/>
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</a></div>
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</div>
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<!-- Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc. -->
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<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
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<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
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<div id="footer">
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<p> </p>
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<hr/>
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<p>
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<a class="logo" href="http://jigsaw.w3.org/css-validator/validator?uri=http://revergestudios.com/boost-exception/reno.css"><img class="logo_pic" src="valid-css.png" alt="Valid CSS" height="31" width="88"/></a>
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<small>Copyright (c) 2006-2008 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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</p>
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</div>
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</div>
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</div>
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</div>
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</body>
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</html>
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