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>exception/operator<<</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>exception/operator<<</h3> 23</div> 24<div class="RenoIncludeDIV"><p><span class="RenoEscape">#<!--<wiki>`#</wiki>--></span>include <<span class="RenoLink"><a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a></span>><span class="RenoBR"> </span><br/></p> 25<pre>namespace 26boost 27 { 28<span class="RenoIncludeSPAN"> template <class E, class Tag, class T> 29 E const & <span class="RenoLink">operator<<</span>( E const & x, <span class="RenoLink"><a href="error_info.html">error_info</a></span><Tag,T> const & v );</span> 30 }</pre> 31</div><h4>Requirements:</h4> 32<p>E must be boost::<span class="RenoLink"><a href="exception.html">exception</a></span>, or a type that derives (indirectly) from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p> 33<h4>Postcondition:</h4> 34<p>A copy of v is stored into x. If x already contains data of type <span class="RenoLink"><a href="error_info.html">error_info</a></span><Tag,T>, that data is overwritten. Basic exception safety guarantee.</p> 35<h4>Returns:</h4> 36<p>x.</p> 37<div class="RenoIncludeDIV"><h4>Throws:</h4> 38<p>std::bad_alloc, or any exception emitted by the T copy constructor.</p> 39</div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div> 40See also: <span class="RenoPageList"><a href="boost-exception.html">Boost Exception</a> | <a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a> | <a href="tutorial_diagnostic_information.html">Diagnostic Information</a> | <a href="diagnostic_information.html">diagnostic_information</a> | <a href="error_info.html">error_info</a> | <a href="exception.html">exception</a> | <a href="exception_constructors.html">exception::exception</a> | <a href="frequently_asked_questions.html">Frequently Asked Questions</a> | <a href="get_error_info.html">get_error_info</a> | <a href="tutorial_enable_error_info.html">Integrating Boost Exception in Existing Exception Class Hierarchies</a> | <a href="motivation.html">Motivation</a></span> 41</div> 42<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. --> 43<!-- Distributed under the Boost Software License, Version 1.0. (See accompanying --> 44<!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> 45<div id="footer"> 46<p> 47<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> 48<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> 49<small>Copyright (c) 2006-2009 by Emil Dotchevski and Reverge Studios, Inc.<br/> 50Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small> 51</p> 52</div> 53</div> 54</div> 55</div> 56</body> 57</html> 58
