<!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 1.8.3"/> <title>libstdc++: std::char_traits< _CharT > Struct Template 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 1.8.3 --> </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('a00603.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#pub-types">Public Types</a> | <a href="#pub-static-methods">Static Public Member Functions</a> | <a href="a02779.html">List of all members</a> </div> <div class="headertitle"> <div class="title">std::char_traits< _CharT > Struct Template Reference<div class="ingroups"><a class="el" href="a01667.html">Strings</a></div></div> </div> </div><!--header--> <div class="contents"> <div class="dynheader"> Inheritance diagram for std::char_traits< _CharT >:</div> <div class="dyncontent"> <div class="center"><img src="a02780.png" border="0" usemap="#std_1_1char__traits_3_01___char_t_01_4_inherit__map" alt="Inheritance graph"/></div> <map name="std_1_1char__traits_3_01___char_t_01_4_inherit__map" id="std_1_1char__traits_3_01___char_t_01_4_inherit__map"> <area shape="rect" id="node5" href="a00043.html" title="encoding_char_traits" alt="" coords="5,182,152,221"/><area shape="rect" id="node2" href="a00035.html" title="Base class used to implement std::char_traits." alt="" coords="6,6,151,45"/></map> <center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a> Public Types</h2></td></tr> <tr class="memitem:a05dda08722c93dcb93a924e6d561e54c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a05dda08722c93dcb93a924e6d561e54c"></a> typedef _CharT </td><td class="memItemRight" valign="bottom"><b>char_type</b></td></tr> <tr class="separator:a05dda08722c93dcb93a924e6d561e54c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a83f5f3f043735f3bffad9ab2424cedce"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a83f5f3f043735f3bffad9ab2424cedce"></a> typedef _Char_types< _CharT ><br class="typebreak"/> ::int_type </td><td class="memItemRight" valign="bottom"><b>int_type</b></td></tr> <tr class="separator:a83f5f3f043735f3bffad9ab2424cedce"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4823ec4e1c3cc3837b11de430ac8b5b8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4823ec4e1c3cc3837b11de430ac8b5b8"></a> typedef _Char_types< _CharT ><br class="typebreak"/> ::off_type </td><td class="memItemRight" valign="bottom"><b>off_type</b></td></tr> <tr class="separator:a4823ec4e1c3cc3837b11de430ac8b5b8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a74b6d798f53a5ff232a179a9641f3e52"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a74b6d798f53a5ff232a179a9641f3e52"></a> typedef _Char_types< _CharT ><br class="typebreak"/> ::<a class="el" href="a00667.html">pos_type</a> </td><td class="memItemRight" valign="bottom"><b>pos_type</b></td></tr> <tr class="separator:a74b6d798f53a5ff232a179a9641f3e52"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7d315700282a81591d0f1c706ded4382"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7d315700282a81591d0f1c706ded4382"></a> typedef _Char_types< _CharT ><br class="typebreak"/> ::state_type </td><td class="memItemRight" valign="bottom"><b>state_type</b></td></tr> <tr class="separator:a7d315700282a81591d0f1c706ded4382"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a> Static Public Member Functions</h2></td></tr> <tr class="memitem:af2c826e9838383a7523a6f4da10aa27d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af2c826e9838383a7523a6f4da10aa27d"></a> static void </td><td class="memItemRight" valign="bottom"><b>assign</b> (char_type &__c1, const char_type &__c2)</td></tr> <tr class="separator:af2c826e9838383a7523a6f4da10aa27d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a83974b1e8a519761e7bea5278b65a843"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a83974b1e8a519761e7bea5278b65a843"></a> static char_type * </td><td class="memItemRight" valign="bottom"><b>assign</b> (char_type *__s, std::size_t __n, char_type __a)</td></tr> <tr class="separator:a83974b1e8a519761e7bea5278b65a843"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:afa63239eb0e92a9611963e22ea9c9d11"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afa63239eb0e92a9611963e22ea9c9d11"></a> static int </td><td class="memItemRight" valign="bottom"><b>compare</b> (const char_type *__s1, const char_type *__s2, std::size_t __n)</td></tr> <tr class="separator:afa63239eb0e92a9611963e22ea9c9d11"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a42157a4dd6effa163fdbe36c60310ad6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a42157a4dd6effa163fdbe36c60310ad6"></a> static char_type * </td><td class="memItemRight" valign="bottom"><b>copy</b> (char_type *__s1, const char_type *__s2, std::size_t __n)</td></tr> <tr class="separator:a42157a4dd6effa163fdbe36c60310ad6"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aff187934f242c9dc20beaf9bc6214be4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aff187934f242c9dc20beaf9bc6214be4"></a> static constexpr int_type </td><td class="memItemRight" valign="bottom"><b>eof</b> ()</td></tr> <tr class="separator:aff187934f242c9dc20beaf9bc6214be4"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a22f77d19001029ae5343f14a4d96ad02"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a22f77d19001029ae5343f14a4d96ad02"></a> static constexpr bool </td><td class="memItemRight" valign="bottom"><b>eq</b> (const char_type &__c1, const char_type &__c2)</td></tr> <tr class="separator:a22f77d19001029ae5343f14a4d96ad02"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:adb32652c63b9f836ff3b251836a50e4d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adb32652c63b9f836ff3b251836a50e4d"></a> static constexpr bool </td><td class="memItemRight" valign="bottom"><b>eq_int_type</b> (const int_type &__c1, const int_type &__c2)</td></tr> <tr class="separator:adb32652c63b9f836ff3b251836a50e4d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2eba335feaa51259e6e28f092a18380d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2eba335feaa51259e6e28f092a18380d"></a> static const char_type * </td><td class="memItemRight" valign="bottom"><b>find</b> (const char_type *__s, std::size_t __n, const char_type &__a)</td></tr> <tr class="separator:a2eba335feaa51259e6e28f092a18380d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a5d2898dfe1ace3ecdf4de79bb59d0ee9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5d2898dfe1ace3ecdf4de79bb59d0ee9"></a> static std::size_t </td><td class="memItemRight" valign="bottom"><b>length</b> (const char_type *__s)</td></tr> <tr class="separator:a5d2898dfe1ace3ecdf4de79bb59d0ee9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a30758894de5262f9e5a1ed48316b88f3"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a30758894de5262f9e5a1ed48316b88f3"></a> static constexpr bool </td><td class="memItemRight" valign="bottom"><b>lt</b> (const char_type &__c1, const char_type &__c2)</td></tr> <tr class="separator:a30758894de5262f9e5a1ed48316b88f3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af04b9584393258b6d94bee05a5671d75"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af04b9584393258b6d94bee05a5671d75"></a> static char_type * </td><td class="memItemRight" valign="bottom"><b>move</b> (char_type *__s1, const char_type *__s2, std::size_t __n)</td></tr> <tr class="separator:af04b9584393258b6d94bee05a5671d75"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a13cdc4b45259f7da60870bf115d96693"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a13cdc4b45259f7da60870bf115d96693"></a> static constexpr int_type </td><td class="memItemRight" valign="bottom"><b>not_eof</b> (const int_type &__c)</td></tr> <tr class="separator:a13cdc4b45259f7da60870bf115d96693"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a3a2632e113b236cb9ddf83ea5c698f85"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3a2632e113b236cb9ddf83ea5c698f85"></a> static constexpr char_type </td><td class="memItemRight" valign="bottom"><b>to_char_type</b> (const int_type &__c)</td></tr> <tr class="separator:a3a2632e113b236cb9ddf83ea5c698f85"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a6ed0933aa32b744a9e3b8ff25e843a87"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6ed0933aa32b744a9e3b8ff25e843a87"></a> static constexpr int_type </td><td class="memItemRight" valign="bottom"><b>to_int_type</b> (const char_type &__c)</td></tr> <tr class="separator:a6ed0933aa32b744a9e3b8ff25e843a87"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><h3>template<class _CharT><br/> struct std::char_traits< _CharT ></h3> <p>Basis for explicit traits specializations. </p> <dl class="section note"><dt>Note</dt><dd>For any given actual character type, this definition is probably wrong. Since this is just a thin wrapper around <a class="el" href="a00035.html" title="Base class used to implement std::char_traits.">__gnu_cxx::char_traits</a>, it is possible to achieve a more appropriate definition by specializing <a class="el" href="a00035.html" title="Base class used to implement std::char_traits.">__gnu_cxx::char_traits</a>.</dd></dl> <p>See <a href="http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt05ch13s03.html">http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt05ch13s03.html</a> for advice on how to make use of this class for <em>unusual</em> character types. Also, check out <a class="el" href="a01354.html">include/ext/pod_char_traits.h</a>. </p> <p>Definition at line <a class="el" href="a01032_source.html#l00229">229</a> of file <a class="el" href="a01032_source.html">char_traits.h</a>.</p> </div><hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="a01032_source.html">char_traits.h</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="a01604.html">std</a></li><li class="navelem"><a class="el" href="a00603.html">char_traits</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.3 </li> </ul> </div> </body> </html>