<!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 1.8.7"/> <title>libsigc++: sigc::visitor< T_functor > 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="doxygen.css" rel="stylesheet" type="text/css" /> <link href="doxygen-extra.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">libsigc++  <span id="projectnumber">2.4.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.7 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="namespacesigc.html">sigc</a></li><li class="navelem"><a class="el" href="structsigc_1_1visitor.html">visitor</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#pub-static-methods">Static Public Member Functions</a> | <a href="structsigc_1_1visitor-members.html">List of all members</a> </div> <div class="headertitle"> <div class="title">sigc::visitor< T_functor > Struct Template Reference<div class="ingroups"><a class="el" href="group__sigcfunctors.html">Functors</a></div></div> </div> </div><!--header--> <div class="contents"> <p><a class="el" href="structsigc_1_1visitor.html#a9fe5d6be845e622a99a0db5d3621d4b3">sigc::visitor<T_functor>::do_visit_each()</a> performs a functor on each of the targets of a functor. <a href="structsigc_1_1visitor.html#details">More...</a></p> <p><code>#include <sigc++/visit_each.h></code></p> <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:a9fe5d6be845e622a99a0db5d3621d4b3"><td class="memTemplParams" colspan="2">template<class T_action > </td></tr> <tr class="memitem:a9fe5d6be845e622a99a0db5d3621d4b3"><td class="memTemplItemLeft" align="right" valign="top">static void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structsigc_1_1visitor.html#a9fe5d6be845e622a99a0db5d3621d4b3">do_visit_each</a> (const T_action& _A_action, const T_functor& _A_functor)</td></tr> <tr class="separator:a9fe5d6be845e622a99a0db5d3621d4b3"><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 T_functor><br /> struct sigc::visitor< T_functor ></h3> <p><a class="el" href="structsigc_1_1visitor.html#a9fe5d6be845e622a99a0db5d3621d4b3">sigc::visitor<T_functor>::do_visit_each()</a> performs a functor on each of the targets of a functor. </p> <p>All unknown types just call <em>_A_action</em> on them. Add specializations that specialize the <em>T_functor</em> argument for your own functor types, so that subobjects get visited. This is needed to enable auto-disconnection support for your functor types.</p> <dl class="section user"><dt>Example:</dt><dd><div class="fragment"><div class="line"><span class="keyword">namespace </span>some_ns</div> <div class="line">{</div> <div class="line"> <span class="keyword">struct </span>some_functor</div> <div class="line"> {</div> <div class="line"> <span class="keywordtype">void</span> operator()() {}</div> <div class="line"> some_possibly_sigc_trackable_derived_type some_data_member;</div> <div class="line"> some_other_functor_type some_other_functor;</div> <div class="line"> };</div> <div class="line">}</div> <div class="line"></div> <div class="line"><span class="keyword">namespace </span>sigc</div> <div class="line">{</div> <div class="line"> <span class="keyword">template</span> <></div> <div class="line"> <span class="keyword">struct </span>visitor<some_ns::some_functor></div> <div class="line"> {</div> <div class="line"> <span class="keyword">template</span> <<span class="keyword">class</span> T_action></div> <div class="line"> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structsigc_1_1visitor.html#a9fe5d6be845e622a99a0db5d3621d4b3">do_visit_each</a>(<span class="keyword">const</span> T_action& _A_action,</div> <div class="line"> <span class="keyword">const</span> some_ns::some_functor& _A_target)</div> <div class="line"> {</div> <div class="line"> <a class="code" href="group__sigcfunctors.html#ga64cb7832acc1e58efb5ffe0b4f5e9404">sigc::visit_each</a>(_A_action, _A_target.some_data_member);</div> <div class="line"> <a class="code" href="group__sigcfunctors.html#ga64cb7832acc1e58efb5ffe0b4f5e9404">sigc::visit_each</a>(_A_action, _A_target.some_other_functor);</div> <div class="line"> }</div> <div class="line"> };</div> <div class="line">}</div> </div><!-- fragment --> </dd></dl> </div><h2 class="groupheader">Member Function Documentation</h2> <a class="anchor" id="a9fe5d6be845e622a99a0db5d3621d4b3"></a> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template <class T_functor > </div> <div class="memtemplate"> template <class T_action > </div> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">static void <a class="el" href="structsigc_1_1visitor.html">sigc::visitor</a>< T_functor >::do_visit_each </td> <td>(</td> <td class="paramtype">const T_action & </td> <td class="paramname"><em>_A_action</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const T_functor & </td> <td class="paramname"><em>_A_functor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span> </td> </tr> </table> </div><div class="memdoc"> </div> </div> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Mon Sep 15 2014 16:00:01 for libsigc++ by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.7 </small></address> </body> </html>