<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.15"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>libstdc++: std::type_info Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license 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$(document).ready(function(){initNavTree('a01668.html','');}); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#pro-methods">Protected Member Functions</a> | <a href="#pro-attribs">Protected Attributes</a> | <a href="a01665.html">List of all members</a> </div> <div class="headertitle"> <div class="title">std::type_info Class Reference</div> </div> </div><!--header--> <div class="contents"> <p>Inherited by __cxxabiv1::__array_type_info, __cxxabiv1::__class_type_info, __cxxabiv1::__enum_type_info, __cxxabiv1::__function_type_info, __cxxabiv1::__fundamental_type_info, and __cxxabiv1::__pbase_type_info.</p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr class="memitem:a8704eaa0f305509d41fa695036a69494"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="a01668.html#a8704eaa0f305509d41fa695036a69494">~type_info</a> ()</td></tr> <tr class="separator:a8704eaa0f305509d41fa695036a69494"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af619e74c8bbc378372479b0391ed2c0f"><td class="memItemLeft" align="right" valign="top"><a id="af619e74c8bbc378372479b0391ed2c0f"></a> virtual bool </td><td class="memItemRight" valign="bottom"><b>__do_catch</b> (const <a class="el" href="a01668.html">type_info</a> *__thr_type, void **__thr_obj, unsigned __outer) const</td></tr> <tr class="separator:af619e74c8bbc378372479b0391ed2c0f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2cd3b8e9cba5fe313b7f2bbd8e8d9080"><td class="memItemLeft" align="right" valign="top"><a id="a2cd3b8e9cba5fe313b7f2bbd8e8d9080"></a> virtual bool </td><td class="memItemRight" valign="bottom"><b>__do_upcast</b> (const __cxxabiv1::__class_type_info *__target, void **__obj_ptr) const</td></tr> <tr class="separator:a2cd3b8e9cba5fe313b7f2bbd8e8d9080"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:adf7c77787702ab4d2a2d310e02155ce5"><td class="memItemLeft" align="right" valign="top"><a id="adf7c77787702ab4d2a2d310e02155ce5"></a> virtual bool </td><td class="memItemRight" valign="bottom"><b>__is_function_p</b> () const</td></tr> <tr class="separator:adf7c77787702ab4d2a2d310e02155ce5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a446e298803f7f127163c6febdb30848a"><td class="memItemLeft" align="right" valign="top"><a id="a446e298803f7f127163c6febdb30848a"></a> virtual bool </td><td class="memItemRight" valign="bottom"><b>__is_pointer_p</b> () const</td></tr> <tr class="separator:a446e298803f7f127163c6febdb30848a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af2bf0c06826f33947ecd2854d0e2a3bc"><td class="memItemLeft" align="right" valign="top"><a id="af2bf0c06826f33947ecd2854d0e2a3bc"></a> bool </td><td class="memItemRight" valign="bottom"><b>before</b> (const <a class="el" href="a01668.html">type_info</a> &__arg) const noexcept</td></tr> <tr class="separator:af2bf0c06826f33947ecd2854d0e2a3bc"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4c297cf60f7d03092b7ba7632877eac9"><td class="memItemLeft" align="right" valign="top"><a id="a4c297cf60f7d03092b7ba7632877eac9"></a> size_t </td><td class="memItemRight" valign="bottom"><b>hash_code</b> () const noexcept</td></tr> <tr class="separator:a4c297cf60f7d03092b7ba7632877eac9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:afe60508ee089cebbd056bd50dfc7c3d7"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a01668.html#afe60508ee089cebbd056bd50dfc7c3d7">name</a> () const noexcept</td></tr> <tr class="separator:afe60508ee089cebbd056bd50dfc7c3d7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aaf0f927a29840cbfd0d1f2c435160c93"><td class="memItemLeft" align="right" valign="top"><a id="aaf0f927a29840cbfd0d1f2c435160c93"></a> bool </td><td class="memItemRight" valign="bottom"><b>operator!=</b> (const <a class="el" href="a01668.html">type_info</a> &__arg) const noexcept</td></tr> <tr class="separator:aaf0f927a29840cbfd0d1f2c435160c93"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a30078bc4dfd24fedee91bca264a0507c"><td class="memItemLeft" align="right" valign="top"><a id="a30078bc4dfd24fedee91bca264a0507c"></a> bool </td><td class="memItemRight" valign="bottom"><b>operator==</b> (const <a class="el" href="a01668.html">type_info</a> &__arg) const noexcept</td></tr> <tr class="separator:a30078bc4dfd24fedee91bca264a0507c"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a> Protected Member Functions</h2></td></tr> <tr class="memitem:a86d2ac2c62a76c136df68c623065d81e"><td class="memItemLeft" align="right" valign="top"><a id="a86d2ac2c62a76c136df68c623065d81e"></a>  </td><td class="memItemRight" valign="bottom"><b>type_info</b> (const char *__n)</td></tr> <tr class="separator:a86d2ac2c62a76c136df68c623065d81e"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a> Protected Attributes</h2></td></tr> <tr class="memitem:a687261584fc7c481c1e0dda2c34034a2"><td class="memItemLeft" align="right" valign="top"><a id="a687261584fc7c481c1e0dda2c34034a2"></a> const char * </td><td class="memItemRight" valign="bottom"><b>__name</b></td></tr> <tr class="separator:a687261584fc7c481c1e0dda2c34034a2"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>Part of RTTI. </p> <p>The <code>type_info</code> class describes type information generated by an implementation. </p> <p class="definition">Definition at line <a class="el" href="a00035_source.html#l00088">88</a> of file <a class="el" href="a00035_source.html">typeinfo</a>.</p> </div><h2 class="groupheader">Constructor & Destructor Documentation</h2> <a id="a8704eaa0f305509d41fa695036a69494"></a> <h2 class="memtitle"><span class="permalink"><a href="#a8704eaa0f305509d41fa695036a69494">◆ </a></span>~type_info()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">virtual std::type_info::~type_info </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Destructor first. Being the first non-inline virtual function, this controls in which translation unit the vtable is emitted. The compiler makes use of that information to know where to emit the runtime-mandated type_info structures in the new-abi. </p> </div> </div> <h2 class="groupheader">Member Function Documentation</h2> <a id="afe60508ee089cebbd056bd50dfc7c3d7"></a> <h2 class="memtitle"><span class="permalink"><a href="#afe60508ee089cebbd056bd50dfc7c3d7">◆ </a></span>name()</h2> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">const char* std::type_info::name </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">noexcept</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Returns an <em>implementation-defined</em> byte string; this is not portable between compilers! </p> <p class="definition">Definition at line <a class="el" href="a00035_source.html#l00099">99</a> of file <a class="el" href="a00035_source.html">typeinfo</a>.</p> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li><a class="el" href="a00035_source.html">typeinfo</a></li> </ul> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="a01538.html">std</a></li><li class="navelem"><a class="el" href="a01668.html">type_info</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li> </ul> </div> </body> </html>