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<title>libsigc++: sigc::pointer_functor0&lt; T_return &gt; Class Template Reference</title>
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<h1>sigc::pointer_functor0&lt; T_return &gt; Class Template Reference<br/>
<small>
[<a class="el" href="group__ptr__fun.html">ptr_fun()</a>]</small>
</h1><!-- doxytag: class="sigc::pointer_functor0" --><!-- doxytag: inherits="sigc::functor_base" -->
<p><a class="el" href="classsigc_1_1pointer__functor0.html" title="pointer_functor0 wraps existing non-member functions with 0 argument(s).">pointer_functor0</a> wraps existing non-member functions with 0 argument(s). <a href="#_details">More...</a></p>

<p><code>#include &lt;sigc++/functors/ptr_fun.h&gt;</code></p>
<div class="dynheader">
Inheritance diagram for sigc::pointer_functor0&lt; T_return &gt;:</div>
<div class="dynsection">
<div class="center"><img src="classsigc_1_1pointer__functor0__inherit__graph.png" border="0" usemap="#sigc_1_1pointer__functor0_3_01T__return_01_4_inherit__map" alt="Inheritance graph"/></div>
<map name="sigc_1_1pointer__functor0_3_01T__return_01_4_inherit__map" id="sigc_1_1pointer__functor0_3_01T__return_01_4_inherit__map">
<area shape="rect" href="structsigc_1_1functor__base.html" title="A hint to the compiler." alt="" coords="59,7,195,33"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>

<p><a href="classsigc_1_1pointer__functor0-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="af44316e53e33b4184ca151b6b11c70e5"></a><!-- doxytag: member="sigc::pointer_functor0::result_type" ref="af44316e53e33b4184ca151b6b11c70e5" args="" -->
typedef T_return&#160;</td><td class="memItemRight" valign="bottom"><b>result_type</b></td></tr>
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afdb67f682e7b9190f646eed879dcfbe4"></a><!-- doxytag: member="sigc::pointer_functor0::pointer_functor0" ref="afdb67f682e7b9190f646eed879dcfbe4" args="()" -->
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1pointer__functor0.html#afdb67f682e7b9190f646eed879dcfbe4">pointer_functor0</a> ()</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructs an invalid functor. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1pointer__functor0.html#a9ae3efd5c13c738db815f619499004d7">pointer_functor0</a> (function_type _A_func)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructs a <a class="el" href="classsigc_1_1pointer__functor0.html" title="pointer_functor0 wraps existing non-member functions with 0 argument(s).">pointer_functor0</a> object that wraps an existing function. <a href="#a9ae3efd5c13c738db815f619499004d7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">T_return&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1pointer__functor0.html#afb058396d0f84a248197ddb7d4aed109">operator()</a> () const </td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Execute the wrapped function. <a href="#afb058396d0f84a248197ddb7d4aed109"></a><br/></td></tr>
<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af998b64dac7b3c7eeb2e9a2856a4213e"></a><!-- doxytag: member="sigc::pointer_functor0::func_ptr_" ref="af998b64dac7b3c7eeb2e9a2856a4213e" args="" -->
function_type&#160;</td><td class="memItemRight" valign="bottom"><b>func_ptr_</b></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<h3>template &lt;class T_return&gt;<br/>
 class sigc::pointer_functor0&lt; T_return &gt;</h3>

<p><a class="el" href="classsigc_1_1pointer__functor0.html" title="pointer_functor0 wraps existing non-member functions with 0 argument(s).">pointer_functor0</a> wraps existing non-member functions with 0 argument(s). </p>
<p>Use the convenience function <a class="el" href="group__ptr__fun.html#gada8b678665c14dc85eb32d25b7299465" title="Creates a functor of type sigc::pointer_functor0 which wraps an existing non-member...">ptr_fun()</a> to create an instance of <a class="el" href="classsigc_1_1pointer__functor0.html" title="pointer_functor0 wraps existing non-member functions with 0 argument(s).">pointer_functor0</a>.</p>
<p>The following template arguments are used:</p>
<ul>
<li><em>T_return</em> The return type of <a class="el" href="classsigc_1_1pointer__functor0.html#afb058396d0f84a248197ddb7d4aed109" title="Execute the wrapped function.">operator()()</a>. </li>
</ul>
<hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a9ae3efd5c13c738db815f619499004d7"></a><!-- doxytag: member="sigc::pointer_functor0::pointer_functor0" ref="a9ae3efd5c13c738db815f619499004d7" args="(function_type _A_func)" -->
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<div class="memtemplate">
template &lt;class T_return &gt; </div>
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="classsigc_1_1pointer__functor0.html">sigc::pointer_functor0</a>&lt; T_return &gt;::<a class="el" href="classsigc_1_1pointer__functor0.html">pointer_functor0</a> </td>
          <td>(</td>
          <td class="paramtype">function_type&#160;</td>
          <td class="paramname"> <em>_A_func</em></td>
          <td>&#160;)&#160;</td>
          <td><code> [inline, explicit]</code></td>
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      </table>
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<p>Constructs a <a class="el" href="classsigc_1_1pointer__functor0.html" title="pointer_functor0 wraps existing non-member functions with 0 argument(s).">pointer_functor0</a> object that wraps an existing function. </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_func</em>&#160;</td><td>Pointer to function that will be invoked from <a class="el" href="classsigc_1_1pointer__functor0.html#afb058396d0f84a248197ddb7d4aed109" title="Execute the wrapped function.">operator()()</a>. </td></tr>
  </table>
  </dd>
</dl>

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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="afb058396d0f84a248197ddb7d4aed109"></a><!-- doxytag: member="sigc::pointer_functor0::operator()" ref="afb058396d0f84a248197ddb7d4aed109" args="() const " -->
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<div class="memtemplate">
template &lt;class T_return &gt; </div>
      <table class="memname">
        <tr>
          <td class="memname">T_return <a class="el" href="classsigc_1_1pointer__functor0.html">sigc::pointer_functor0</a>&lt; T_return &gt;::operator() </td>
          <td>(</td>
          <td class="paramname"></td>
          <td>&#160;)&#160;</td>
          <td> const<code> [inline]</code></td>
        </tr>
      </table>
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<div class="memdoc">

<p>Execute the wrapped function. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The return value of the function invocation. </dd></dl>

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