<!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 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>libstdc++: std::pointer_traits< _Ptr > 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="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </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 id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">libstdc++ </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.13 --> </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('a05741.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="a05738.html">List of all members</a> </div> <div class="headertitle"> <div class="title">std::pointer_traits< _Ptr > Struct Template Reference<div class="ingroups"><a class="el" href="a01431.html">Utilities</a> » <a class="el" href="a01424.html">Memory</a> » <a class="el" href="a01425.html">Pointer Abstractions</a></div></div> </div> </div><!--header--> <div class="contents"> <p>Inherits std::__ptrtr_pointer_to< _Ptr >.</p> <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:a8342c6ffe992cf695fc6b68aa8c7acd2"><td class="memItemLeft" align="right" valign="top">typedef __ptrtr_diff_type< _Ptr >::__type </td><td class="memItemRight" valign="bottom"><a class="el" href="a05741.html#a8342c6ffe992cf695fc6b68aa8c7acd2">difference_type</a></td></tr> <tr class="separator:a8342c6ffe992cf695fc6b68aa8c7acd2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:afbe577731214ffde229449018dac1124"><td class="memItemLeft" align="right" valign="top">typedef __ptrtr_elt_type< _Ptr >::__type </td><td class="memItemRight" valign="bottom"><a class="el" href="a05741.html#afbe577731214ffde229449018dac1124">element_type</a></td></tr> <tr class="separator:afbe577731214ffde229449018dac1124"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:abb2c729873f5e9f90041f5f425967983"><td class="memItemLeft" align="right" valign="top">typedef _Ptr </td><td class="memItemRight" valign="bottom"><a class="el" href="a05741.html#abb2c729873f5e9f90041f5f425967983">pointer</a></td></tr> <tr class="separator:abb2c729873f5e9f90041f5f425967983"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a6cec18686df66452b60a9d2326bba71b"><td class="memTemplParams" colspan="2"><a id="a6cec18686df66452b60a9d2326bba71b"></a> template<typename _Up > </td></tr> <tr class="memitem:a6cec18686df66452b60a9d2326bba71b"><td class="memTemplItemLeft" align="right" valign="top">using </td><td class="memTemplItemRight" valign="bottom"><b>rebind</b> = typename __ptrtr_rebind< _Ptr, _Up >::__type</td></tr> <tr class="separator:a6cec18686df66452b60a9d2326bba71b"><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:ae04be4cda57e530ce9893309aa54168a"><td class="memItemLeft" align="right" valign="top"><a id="ae04be4cda57e530ce9893309aa54168a"></a> static _Ptr </td><td class="memItemRight" valign="bottom"><b>pointer_to</b> (__element_type &__e)</td></tr> <tr class="separator:ae04be4cda57e530ce9893309aa54168a"><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<typename _Ptr><br /> struct std::pointer_traits< _Ptr ></h3> <p>Uniform interface to all pointer-like types. </p> <p class="definition">Definition at line <a class="el" href="a00416_source.html#l00132">132</a> of file <a class="el" href="a00416_source.html">ptr_traits.h</a>.</p> </div><h2 class="groupheader">Member Typedef Documentation</h2> <a id="a8342c6ffe992cf695fc6b68aa8c7acd2"></a> <h2 class="memtitle"><span class="permalink"><a href="#a8342c6ffe992cf695fc6b68aa8c7acd2">◆ </a></span>difference_type</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _Ptr> </div> <table class="memname"> <tr> <td class="memname">typedef __ptrtr_diff_type<_Ptr>::__type <a class="el" href="a05741.html">std::pointer_traits</a>< _Ptr >::<a class="el" href="a05741.html#a8342c6ffe992cf695fc6b68aa8c7acd2">difference_type</a></td> </tr> </table> </div><div class="memdoc"> <p>Type used to represent the difference between two pointers. </p> <p class="definition">Definition at line <a class="el" href="a00416_source.html#l00139">139</a> of file <a class="el" href="a00416_source.html">ptr_traits.h</a>.</p> </div> </div> <a id="afbe577731214ffde229449018dac1124"></a> <h2 class="memtitle"><span class="permalink"><a href="#afbe577731214ffde229449018dac1124">◆ </a></span>element_type</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _Ptr> </div> <table class="memname"> <tr> <td class="memname">typedef __ptrtr_elt_type<_Ptr>::__type <a class="el" href="a05741.html">std::pointer_traits</a>< _Ptr >::<a class="el" href="a05741.html#afbe577731214ffde229449018dac1124">element_type</a></td> </tr> </table> </div><div class="memdoc"> <p>The type pointed to. </p> <p class="definition">Definition at line <a class="el" href="a00416_source.html#l00137">137</a> of file <a class="el" href="a00416_source.html">ptr_traits.h</a>.</p> </div> </div> <a id="abb2c729873f5e9f90041f5f425967983"></a> <h2 class="memtitle"><span class="permalink"><a href="#abb2c729873f5e9f90041f5f425967983">◆ </a></span>pointer</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _Ptr> </div> <table class="memname"> <tr> <td class="memname">typedef _Ptr <a class="el" href="a05741.html">std::pointer_traits</a>< _Ptr >::<a class="el" href="a05741.html#abb2c729873f5e9f90041f5f425967983">pointer</a></td> </tr> </table> </div><div class="memdoc"> <p>The pointer type. </p> <p class="definition">Definition at line <a class="el" href="a00416_source.html#l00135">135</a> of file <a class="el" href="a00416_source.html">ptr_traits.h</a>.</p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="a00416_source.html">ptr_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" 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