<!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::iterator< _Category, _Tp, _Distance, _Pointer, _Reference > 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"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(initResizable); /* @license-end */</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 1.8.15 --> </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"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(function(){initNavTree('a07672.html','');}); /* @license-end */ </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#pub-types">Public Types</a> | <a href="a07669.html">List of all members</a> </div> <div class="headertitle"> <div class="title">std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference > Struct Template Reference<div class="ingroups"><a class="el" href="a01504.html">Iterators</a></div></div> </div> </div><!--header--> <div class="contents"> <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:a7fc5091a6bee76d7bfc6ece04e4050f9"><td class="memItemLeft" align="right" valign="top">typedef _Distance </td><td class="memItemRight" valign="bottom"><a class="el" href="a07672.html#a7fc5091a6bee76d7bfc6ece04e4050f9">difference_type</a></td></tr> <tr class="separator:a7fc5091a6bee76d7bfc6ece04e4050f9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a3d32527bfebba5c0459df1390cef50a9"><td class="memItemLeft" align="right" valign="top">typedef _Category </td><td class="memItemRight" valign="bottom"><a class="el" href="a07672.html#a3d32527bfebba5c0459df1390cef50a9">iterator_category</a></td></tr> <tr class="separator:a3d32527bfebba5c0459df1390cef50a9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a69bffe0bd881194df5ff48fec79066de"><td class="memItemLeft" align="right" valign="top">typedef _Pointer </td><td class="memItemRight" valign="bottom"><a class="el" href="a07672.html#a69bffe0bd881194df5ff48fec79066de">pointer</a></td></tr> <tr class="separator:a69bffe0bd881194df5ff48fec79066de"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:abb17838f15d32971ad823036c6593aef"><td class="memItemLeft" align="right" valign="top">typedef _Reference </td><td class="memItemRight" valign="bottom"><a class="el" href="a07672.html#abb17838f15d32971ad823036c6593aef">reference</a></td></tr> <tr class="separator:abb17838f15d32971ad823036c6593aef"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af9f36b7adb257959eef192b9282f1284"><td class="memItemLeft" align="right" valign="top">typedef _Tp </td><td class="memItemRight" valign="bottom"><a class="el" href="a07672.html#af9f36b7adb257959eef192b9282f1284">value_type</a></td></tr> <tr class="separator:af9f36b7adb257959eef192b9282f1284"><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 _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&><br /> struct std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference ></h3> <p>Common iterator class. </p> <p>This class does nothing but define nested typedefs. Iterator classes can inherit from this class to save some work. The typedefs are then used in specializations and overloading.</p> <p>In particular, there are no default implementations of requirements such as <code>operator++</code> and the like. (How could there be?) </p> <p class="definition">Definition at line <a class="el" href="a00554_source.html#l00118">118</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p> </div><h2 class="groupheader">Member Typedef Documentation</h2> <a id="a7fc5091a6bee76d7bfc6ece04e4050f9"></a> <h2 class="memtitle"><span class="permalink"><a href="#a7fc5091a6bee76d7bfc6ece04e4050f9">◆ </a></span>difference_type</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> </div> <table class="memname"> <tr> <td class="memname">typedef _Distance <a class="el" href="a07672.html">std::iterator</a>< _Category, _Tp, _Distance, _Pointer, _Reference >::<a class="el" href="a07672.html#a7fc5091a6bee76d7bfc6ece04e4050f9">difference_type</a></td> </tr> </table> </div><div class="memdoc"> <p>Distance between iterators is represented as this type. </p> <p class="definition">Definition at line <a class="el" href="a00554_source.html#l00125">125</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p> </div> </div> <a id="a3d32527bfebba5c0459df1390cef50a9"></a> <h2 class="memtitle"><span class="permalink"><a href="#a3d32527bfebba5c0459df1390cef50a9">◆ </a></span>iterator_category</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> </div> <table class="memname"> <tr> <td class="memname">typedef _Category <a class="el" href="a07672.html">std::iterator</a>< _Category, _Tp, _Distance, _Pointer, _Reference >::<a class="el" href="a07672.html#a3d32527bfebba5c0459df1390cef50a9">iterator_category</a></td> </tr> </table> </div><div class="memdoc"> <p>One of the <a class="el" href="a01505.html">tag types</a>. </p> <p class="definition">Definition at line <a class="el" href="a00554_source.html#l00121">121</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p> </div> </div> <a id="a69bffe0bd881194df5ff48fec79066de"></a> <h2 class="memtitle"><span class="permalink"><a href="#a69bffe0bd881194df5ff48fec79066de">◆ </a></span>pointer</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> </div> <table class="memname"> <tr> <td class="memname">typedef _Pointer <a class="el" href="a07672.html">std::iterator</a>< _Category, _Tp, _Distance, _Pointer, _Reference >::<a class="el" href="a07672.html#a69bffe0bd881194df5ff48fec79066de">pointer</a></td> </tr> </table> </div><div class="memdoc"> <p>This type represents a pointer-to-value_type. </p> <p class="definition">Definition at line <a class="el" href="a00554_source.html#l00127">127</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p> </div> </div> <a id="abb17838f15d32971ad823036c6593aef"></a> <h2 class="memtitle"><span class="permalink"><a href="#abb17838f15d32971ad823036c6593aef">◆ </a></span>reference</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> </div> <table class="memname"> <tr> <td class="memname">typedef _Reference <a class="el" href="a07672.html">std::iterator</a>< _Category, _Tp, _Distance, _Pointer, _Reference >::<a class="el" href="a07672.html#abb17838f15d32971ad823036c6593aef">reference</a></td> </tr> </table> </div><div class="memdoc"> <p>This type represents a reference-to-value_type. </p> <p class="definition">Definition at line <a class="el" href="a00554_source.html#l00129">129</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p> </div> </div> <a id="af9f36b7adb257959eef192b9282f1284"></a> <h2 class="memtitle"><span class="permalink"><a href="#af9f36b7adb257959eef192b9282f1284">◆ </a></span>value_type</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> </div> <table class="memname"> <tr> <td class="memname">typedef _Tp <a class="el" href="a07672.html">std::iterator</a>< _Category, _Tp, _Distance, _Pointer, _Reference >::<a class="el" href="a07672.html#af9f36b7adb257959eef192b9282f1284">value_type</a></td> </tr> </table> </div><div class="memdoc"> <p>The type "pointed to" by the iterator. </p> <p class="definition">Definition at line <a class="el" href="a00554_source.html#l00123">123</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li><a 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