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48 <div class="title">sigc::adaptor_trait&lt; T_functor, I_isadaptor &gt; Struct Template Reference<div class="ingroups"><a class="el" href="group__adaptors.html">Adaptors</a></div></div>  </div>
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51
52 <p>Trait that specifies what is the adaptor version of a functor type.  
53  <a href="structsigc_1_1adaptor__trait.html#details">More...</a></p>
54
55 <p><code>#include &lt;sigc++/adaptors/adaptor_trait.h&gt;</code></p>
56 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
57 <div class="textblock"><h3>template&lt;class T_functor, bool I_isadaptor = std::is_base_of&lt;adaptor_base, T_functor&gt;::value&gt;<br />
58 struct sigc::adaptor_trait&lt; T_functor, I_isadaptor &gt;</h3>
59
60 <p>Trait that specifies what is the adaptor version of a functor type. </p>
61 <p>Template specializations for <a class="el" href="structsigc_1_1adaptor__base.html" title="A hint to the compiler.">sigc::adaptor_base</a> derived functors, for function pointers and for class methods are provided.</p>
62 <p>The template argument <em>T_functor</em> is the functor type to convert. <em>I_isadaptor</em> indicates whether <em>T_functor</em> inherits from <a class="el" href="structsigc_1_1adaptor__base.html" title="A hint to the compiler.">sigc::adaptor_base</a>. </p>
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