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<h1>sigc::adapts< T_functor > Struct Template Reference<br/>
<small>
[<a class="el" href="group__adaptors.html">Adaptors</a>]</small>
</h1><!-- doxytag: class="sigc::adapts" --><!-- doxytag: inherits="sigc::adaptor_base" -->
<p>Base type for adaptors. <a href="#_details">More...</a></p>
<p><code>#include <sigc++/adaptors/adaptor_trait.h></code></p>
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<p><a href="structsigc_1_1adapts-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a914e75556dae1fdcf0162c4c99aca79d"></a><!-- doxytag: member="sigc::adapts::result_type" ref="a914e75556dae1fdcf0162c4c99aca79d" args="" -->
typedef adaptor_trait<br class="typebreak"/>
< T_functor >::result_type </td><td class="memItemRight" valign="bottom"><b>result_type</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5c3f3b614455552f4cd5d88b1f330248"></a><!-- doxytag: member="sigc::adapts::adaptor_type" ref="a5c3f3b614455552f4cd5d88b1f330248" args="" -->
typedef adaptor_trait<br class="typebreak"/>
< T_functor >::adaptor_type </td><td class="memItemRight" valign="bottom"><b>adaptor_type</b></td></tr>
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1adapts.html#a947b69ccbdcabd4ef4163dcab96096f8">adapts</a> (const T_functor& _A_functor)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructs an adaptor that wraps the passed functor. <a href="#a947b69ccbdcabd4ef4163dcab96096f8"></a><br/></td></tr>
<tr><td colspan="2"><h2>Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2f4b37eb160708baf17de57f2abce7a7"></a><!-- doxytag: member="sigc::adapts::functor_" ref="a2f4b37eb160708baf17de57f2abce7a7" args="" -->
adaptor_type </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1adapts.html#a2f4b37eb160708baf17de57f2abce7a7">functor_</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Adaptor that is invoked from operator()(). <br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<h3>template <class T_functor><br/>
struct sigc::adapts< T_functor ></h3>
<p>Base type for adaptors. </p>
<p><a class="el" href="structsigc_1_1adapts.html" title="Base type for adaptors.">adapts</a> wraps adaptors, functors, function pointers and class methods. It contains a single member functor which is always a <a class="el" href="structsigc_1_1adaptor__base.html" title="A hint to the compiler.">sigc::adaptor_base</a>. The typedef adaptor_type defines the exact type that is used to store the adaptor, functor, function pointer or class method passed into the constructor. It differs from <em>T_functor</em> unless <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>
<dl class="user"><dt><b>Example of a simple adaptor:</b></dt><dd><div class="fragment"><pre class="fragment"> <span class="keyword">template</span> <T_functor>
<span class="keyword">struct </span>my_adpator : <span class="keyword">public</span> sigc::<a class="code" href="structsigc_1_1adapts.html#a947b69ccbdcabd4ef4163dcab96096f8" title="Constructs an adaptor that wraps the passed functor.">adapts</a><T_functor>
{
<span class="keyword">template</span> <<span class="keyword">class</span> T_arg1=<span class="keywordtype">void</span>, <span class="keyword">class</span> T_arg2=<span class="keywordtype">void</span>>
<span class="keyword">struct </span>deduce_result_type
{ <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="structsigc_1_1deduce__result__type.html" title="Deduce the return type of a functor.">sigc::deduce_result_type<T_functor, T_arg1, T_arg2>::type</a> type; };
<span class="keyword">typedef</span> <span class="keyword">typename</span> sigc::functor_trait<T_functor>::result_type result_type;
result_type
operator()() <span class="keyword">const</span>;
<span class="keyword">template</span> <<span class="keyword">class</span> T_arg1>
<span class="keyword">typename</span> deduce_result_type<T_arg1>::type
operator()(T_arg1 _A_arg1) <span class="keyword">const</span>;
<span class="keyword">template</span> <<span class="keyword">class</span> T_arg1, <span class="keyword">class</span> T_arg2>
<span class="keyword">typename</span> deduce_result_type<T_arg1, T_arg2>::type
operator()(T_arg1 _A_arg1, <span class="keyword">class</span> T_arg2) <span class="keyword">const</span>;
<span class="keyword">explicit</span> adaptor_functor(<span class="keyword">const</span> T_functor& _A_functor) <span class="comment">// Constructs a my_functor object that wraps the passed functor.</span>
: sigc::<a class="code" href="structsigc_1_1adapts.html#a947b69ccbdcabd4ef4163dcab96096f8" title="Constructs an adaptor that wraps the passed functor.">adapts</a><T_functor>(_A_functor) {}
<span class="keyword">mutable</span> T_functor <a class="code" href="structsigc_1_1adapts.html#a2f4b37eb160708baf17de57f2abce7a7" title="Adaptor that is invoked from operator()().">functor_</a>; <span class="comment">// Functor that is invoked from operator()().</span>
};
</pre></div> </dd></dl>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a947b69ccbdcabd4ef4163dcab96096f8"></a><!-- doxytag: member="sigc::adapts::adapts" ref="a947b69ccbdcabd4ef4163dcab96096f8" args="(const T_functor &_A_functor)" -->
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template <class T_functor> </div>
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structsigc_1_1adapts.html">sigc::adapts</a>< T_functor >::<a class="el" href="structsigc_1_1adapts.html">adapts</a> </td>
<td>(</td>
<td class="paramtype">const T_functor & </td>
<td class="paramname"> <em>_A_functor</em></td>
<td> ) </td>
<td><code> [inline, explicit]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Constructs an adaptor that wraps the passed functor. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>_A_functor</em> </td><td>Functor to invoke from operator()(). </td></tr>
</table>
</dd>
</dl>
</div>
</div>
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