untracked/docs/reference/html/structsigc_1_1functor__trait.html

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   2 <html xmlns="http://www.w3.org/1999/xhtml">
   3 <head>
   4 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
   5 <meta http-equiv="X-UA-Compatible" content="IE=9"/>
   6 <meta name="generator" content="Doxygen 1.9.1"/>
   7 <meta name="viewport" content="width=device-width, initial-scale=1"/>
   8 <title>libsigc++: sigc::functor_trait&lt; T_functor, I_derives_functor_base, I_can_use_decltype &gt; Struct Template Reference</title>
   9 <link href="tabs.css" rel="stylesheet" type="text/css"/>
  10 <script type="text/javascript" src="jquery.js"></script>
  11 <script type="text/javascript" src="dynsections.js"></script>
  12 <link href="doxygen.css" rel="stylesheet" type="text/css" />
  13 <link href="doxygen-extra.css" rel="stylesheet" type="text/css"/>
  14 </head>
  15 <body>
  16 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
  17 <div id="titlearea">
  18 <table cellspacing="0" cellpadding="0">
  19  <tbody>
  20  <tr style="height: 56px;">
  21   <td id="projectalign" style="padding-left: 0.5em;">
  22    <div id="projectname">libsigc++
  23    &#160;<span id="projectnumber">2.10.8</span>
  24    </div>
  25   </td>
  26  </tr>
  27  </tbody>
  28 </table>
  29 </div>
  30 <!-- end header part -->
  31 <!-- Generated by Doxygen 1.9.1 -->
  32 <script type="text/javascript" src="menudata.js"></script>
  33 <script type="text/javascript" src="menu.js"></script>
  34 <script type="text/javascript">
  35 /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
  36 $(function() {
  37   initMenu('',false,false,'search.php','Search');
  38 });
  39 /* @license-end */</script>
  40 <div id="main-nav"></div>
  41 <div id="nav-path" class="navpath">
  42   <ul>
  43 <li class="navelem"><a class="el" href="namespacesigc.html">sigc</a></li><li class="navelem"><a class="el" href="structsigc_1_1functor__trait.html">functor_trait</a></li>  </ul>
  44 </div>
  45 </div><!-- top -->
  46 <div class="header">
  47   <div class="summary">
  48 <a href="#pub-types">Public Types</a> &#124;
  49 <a href="structsigc_1_1functor__trait-members.html">List of all members</a>  </div>
  50   <div class="headertitle">
  51 <div class="title">sigc::functor_trait&lt; T_functor, I_derives_functor_base, I_can_use_decltype &gt; Struct Template Reference<div class="ingroups"><a class="el" href="group__sigcfunctors.html">Functors</a></div></div>  </div>
  52 </div><!--header-->
  53 <div class="contents">
  54
  55 <p>Trait that specifies the return type of any type.
  56  <a href="structsigc_1_1functor__trait.html#details">More...</a></p>
  57
  58 <p><code>#include &lt;sigc++/functors/functor_trait.h&gt;</code></p>
  59 <table class="memberdecls">
  60 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
  61 Public Types</h2></td></tr>
  62 <tr class="memitem:ac779b3d3d04e78d57b6b2ae4545b1667"><td class="memItemLeft" align="right" valign="top">typedef T_functor&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1functor__trait.html#ac779b3d3d04e78d57b6b2ae4545b1667">functor_type</a></td></tr>
  63 <tr class="separator:ac779b3d3d04e78d57b6b2ae4545b1667"><td class="memSeparator" colspan="2">&#160;</td></tr>
  64 <tr class="memitem:af1324bf0d3cec3d1f2e39e932b228d6d"><td class="memItemLeft" align="right" valign="top">typedef void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1functor__trait.html#af1324bf0d3cec3d1f2e39e932b228d6d">result_type</a></td></tr>
  65 <tr class="separator:af1324bf0d3cec3d1f2e39e932b228d6d"><td class="memSeparator" colspan="2">&#160;</td></tr>
  66 </table>
  67 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  68 <div class="textblock"><h3>template&lt;class T_functor, bool I_derives_functor_base = std::is_base_of&lt;functor_base,T_functor&gt;::value, bool I_can_use_decltype = can_deduce_result_type_with_decltype&lt;T_functor&gt;::value&gt;<br />
  69 struct sigc::functor_trait&lt; T_functor, I_derives_functor_base, I_can_use_decltype &gt;</h3>
  70
  71 <p>Trait that specifies the return type of any type. </p>
  72 <p>Template specializations for functors derived from <a class="el" href="structsigc_1_1functor__base.html" title="A hint to the compiler.">sigc::functor_base</a>, for other functors whose result type can be deduced with decltype(), for function pointers and for class methods are provided.</p>
  73 <dl class="tparams"><dt>Template Parameters</dt><dd>
  74   <table class="tparams">
  75     <tr><td class="paramname">T_functor</td><td>Functor type. </td></tr>
  76     <tr><td class="paramname">I_derives_functor_base</td><td>Whether <code>T_functor</code> inherits from <a class="el" href="structsigc_1_1functor__base.html" title="A hint to the compiler.">sigc::functor_base</a>. </td></tr>
  77     <tr><td class="paramname">I_can_use_decltype</td><td>Whether the result type of <code>T_functor</code> can be deduced with decltype(). </td></tr>
  78   </table>
  79   </dd>
  80 </dl>
  81 </div><h2 class="groupheader">Member Typedef Documentation</h2>
  82 <a id="ac779b3d3d04e78d57b6b2ae4545b1667"></a>
  83 <h2 class="memtitle"><span class="permalink"><a href="#ac779b3d3d04e78d57b6b2ae4545b1667">&#9670;&#160;</a></span>functor_type</h2>
  84
  85 <div class="memitem">
  86 <div class="memproto">
  87 <div class="memtemplate">
  88 template &lt;class T_functor , bool I_derives_functor_base = std::is_base_of&lt;functor_base,T_functor&gt;::value, bool I_can_use_decltype = can_deduce_result_type_with_decltype&lt;T_functor&gt;::value&gt; </div>
  89       <table class="memname">
  90         <tr>
  91           <td class="memname">typedef T_functor <a class="el" href="structsigc_1_1functor__trait.html">sigc::functor_trait</a>&lt; T_functor, I_derives_functor_base, I_can_use_decltype &gt;::<a class="el" href="structsigc_1_1functor__trait.html#ac779b3d3d04e78d57b6b2ae4545b1667">functor_type</a></td>
  92         </tr>
  93       </table>
  94 </div><div class="memdoc">
  95
  96 </div>
  97 </div>
  98 <a id="af1324bf0d3cec3d1f2e39e932b228d6d"></a>
  99 <h2 class="memtitle"><span class="permalink"><a href="#af1324bf0d3cec3d1f2e39e932b228d6d">&#9670;&#160;</a></span>result_type</h2>
 100
 101 <div class="memitem">
 102 <div class="memproto">
 103 <div class="memtemplate">
 104 template &lt;class T_functor , bool I_derives_functor_base = std::is_base_of&lt;functor_base,T_functor&gt;::value, bool I_can_use_decltype = can_deduce_result_type_with_decltype&lt;T_functor&gt;::value&gt; </div>
 105       <table class="memname">
 106         <tr>
 107           <td class="memname">typedef void <a class="el" href="structsigc_1_1functor__trait.html">sigc::functor_trait</a>&lt; T_functor, I_derives_functor_base, I_can_use_decltype &gt;::<a class="el" href="structsigc_1_1functor__trait.html#af1324bf0d3cec3d1f2e39e932b228d6d">result_type</a></td>
 108         </tr>
 109       </table>
 110 </div><div class="memdoc">
 111
 112 </div>
 113 </div>
 114 </div><!-- contents -->
 115 <!-- start footer part -->
 116 <hr class="footer"/><address class="footer"><small>
 117 Generated on Fri Feb 11 2022 15:40:58 for libsigc++ by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
 118 </small></address>
 119 </body>
 120 </html>