1<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' 2'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'> 3<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'> 4<head> 5 <meta http-equiv='Content-Type' content='text/html; charset=utf-8'/> 6 <title>throw_exception</title> 7 <link href='reno.css' type='text/css' rel='stylesheet'/> 8</head> 9<body> 10<div class="body-0"> 11<div class="body-1"> 12<div class="body-2"> 13<div> 14<div id="boost_logo"> 15<a href="http://www.boost.org"><img style="border:0" src="../../../boost.png" alt="Boost" width="277" height="86"/></a> 16</div> 17<h1>Boost Exception</h1> 18</div> 19<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. --> 20<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying --> 21<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> 22<div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>throw_exception</h3> 23</div> 24<div class="RenoIncludeDIV"><p><span class="RenoEscape">#<!--<wiki>`#</wiki>--></span>include <<span class="RenoLink"><a href="boost_throw_exception_hpp.html">boost/throw_exception.hpp</a></span>></p> 25<pre>namespace 26boost 27 { 28<span class="RenoIncludeSPAN">#ifdef BOOST_NO_EXCEPTIONS 29 void <span class="RenoLink">throw_exception</span>( std::exception const & e ); // user defined 30#else 31 template <class E> 32 void <span class="RenoLink">throw_exception</span>( E const & e ); 33#endif</span> 34 }</pre> 35</div><h4>Effects:</h4> 36<div><ul><li> If BOOST_NO_EXCEPTIONS is not defined, boost::<span class="RenoLink">throw_exception</span>(e) throws an exception of unspecified type that derives publicly from E and from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</li> 37<li> If BOOST_NO_EXCEPTIONS is defined, the function is left undefined, and the user is expected to supply an appropriate definition. Callers of <span class="RenoLink">throw_exception</span> are allowed to assume that the function never returns; therefore, if the user-defined <span class="RenoLink">throw_exception</span> returns, the behavior is undefined.</li> 38</ul></div> 39<h4>Requirements:</h4> 40<p>E must derive publicly from std::exception. E may or may not derive from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p> 41<h4>Notes:</h4> 42<div><ul><li> The emitted exception can be intercepted as E &, std::exception &, or boost::exception &.</li> 43<li> The emitted exception supports boost::<span class="RenoLink"><a href="exception_ptr.html">exception_ptr</a></span>.</li> 44<li> If BOOST_EXCEPTION_DISABLE is defined and BOOST_NO_EXCEPTIONS is not defined, boost::<span class="RenoLink">throw_exception</span>(e) equivalent to throw e.</li> 45</ul></div> 46</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div> 47See also: <span class="RenoPageList"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a> | <a href="boost-exception.html">Boost Exception</a> | <a href="boost_throw_exception_hpp.html">boost/throw_exception.hpp</a> | <a href="configuration_macros.html">Configuration Macros</a> | <a href="enable_current_exception.html">enable_current_exception</a> | <a href="frequently_asked_questions.html">Frequently Asked Questions</a> | <a href="tutorial_exception_ptr.html">Transporting of Exceptions Between Threads</a></span> 48</div> 49<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. --> 50<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying --> 51<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> 52<div id="footer"> 53<p> 54<a class="logo" href="http://jigsaw.w3.org/css-validator/check/referer"><img class="logo_pic" src="valid-css.png" alt="Valid CSS" height="31" width="88"/></a> 55<a class="logo" href="http://validator.w3.org/check?uri=referer"><img class="logo_pic" src="valid-xhtml.png" alt="Valid XHTML 1.0" height="31" width="88"/></a> 56<small>Copyright (c) 2006-2009 by Emil Dotchevski and Reverge Studios, Inc.<br/> 57Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small> 58</p> 59</div> 60</div> 61</div> 62</div> 63</body> 64</html> 65
