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  59 <div class="title">sigc::can_deduce_result_type_with_decltype&lt; T_functor &gt; Class Template Reference<div class="ingroups"><a class="el" href="group__sigcfunctors.html">Functors</a></div></div>  </div>
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  62
  63 <p>Helper class, to determine if decltype() can deduce the result type of a functor.
  64  <a href="classsigc_1_1can__deduce__result__type__with__decltype.html#details">More...</a></p>
  65
  66 <p><code>#include &lt;sigc++/functors/functor_trait.h&gt;</code></p>
  67 <table class="memberdecls">
  68 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
  69 Static Public Attributes</h2></td></tr>
  70 <tr class="memitem:a3e390d22fe03a03bb34bb38bca1aea91"><td class="memItemLeft" align="right" valign="top">static const bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1can__deduce__result__type__with__decltype.html#a3e390d22fe03a03bb34bb38bca1aea91">value</a></td></tr>
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  73 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  74 <div class="textblock"><h3>template&lt;typename T_functor&gt;<br />
  75 class sigc::can_deduce_result_type_with_decltype&lt; T_functor &gt;</h3>
  76
  77 <p>Helper class, to determine if decltype() can deduce the result type of a functor. </p>
  78 </div><h2 class="groupheader">Member Data Documentation</h2>
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  83 template &lt;typename T_functor &gt; </div>
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  86   <td class="mlabels-left">
  87       <table class="memname">
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  89           <td class="memname">const bool <a class="el" href="classsigc_1_1can__deduce__result__type__with__decltype.html">sigc::can_deduce_result_type_with_decltype</a>&lt; T_functor &gt;::value</td>
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  94 <span class="mlabels"><span class="mlabel">static</span></span>  </td>
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