<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://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 1.8.5"/> <title>libstdc++: type_traits.h File 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="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libstdc++ </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('a01611.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#namespaces">Namespaces</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">type_traits.h File Reference</div> </div> </div><!--header--> <div class="contents"> <p><a href="a01611_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="namespaces"></a> Namespaces</h2></td></tr> <tr class="memitem:a01648"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a01648.html">__gnu_cxx</a></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:afe55ce10459302aba0bc9a9dacd47cb4"><td class="memTemplParams" colspan="2"><a class="anchor" id="afe55ce10459302aba0bc9a9dacd47cb4"></a> template<typename _Type > </td></tr> <tr class="memitem:afe55ce10459302aba0bc9a9dacd47cb4"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><b>__gnu_cxx::__is_null_pointer</b> (_Type *__ptr)</td></tr> <tr class="separator:afe55ce10459302aba0bc9a9dacd47cb4"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1896baf4e935dad8449bb3ec73a07f3d"><td class="memTemplParams" colspan="2"><a class="anchor" id="a1896baf4e935dad8449bb3ec73a07f3d"></a> template<typename _Type > </td></tr> <tr class="memitem:a1896baf4e935dad8449bb3ec73a07f3d"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><b>__gnu_cxx::__is_null_pointer</b> (_Type)</td></tr> <tr class="separator:a1896baf4e935dad8449bb3ec73a07f3d"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>This file is a GNU extension to the Standard C++ Library. </p> <p>Definition in file <a class="el" href="a01611_source.html">type_traits.h</a>.</p> </div></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="dir_db0ecf5ff2f2b0f79bbdc6312473b0df.html">include</a></li><li class="navelem"><a class="el" href="dir_d56c3d762d0387077a874c33c805d5f2.html">ext</a></li><li class="navelem"><a class="el" href="a01611.html">type_traits.h</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.5 </li> </ul> </div> </body> </html>