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 <span id="projectnumber">2.10.0</span>
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<div class="title">sigc::mem_functor4< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 > Class Template Reference<div class="ingroups"><a class="el" href="group__sigcfunctors.html">Functors</a> » <a class="el" href="group__mem__fun.html">mem_fun()</a></div></div> </div>
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<p><a class="el" href="classsigc_1_1mem__functor4.html" title="mem_functor4 wraps methods with 4 argument(s). ">mem_functor4</a> wraps methods with 4 argument(s).
<a href="classsigc_1_1mem__functor4.html#details">More...</a></p>
<p><code>#include <sigc++/functors/mem_fun.h></code></p>
<div class="dynheader">
Inheritance diagram for sigc::mem_functor4< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 >:</div>
<div class="dyncontent">
<div class="center"><img src="classsigc_1_1mem__functor4__inherit__graph.png" border="0" usemap="#sigc_1_1mem__functor4_3_01T__return_00_01T__obj_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_01_4_inherit__map" alt="Inheritance graph"/></div>
<map name="sigc_1_1mem__functor4_3_01T__return_00_01T__obj_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_01_4_inherit__map" id="sigc_1_1mem__functor4_3_01T__return_00_01T__obj_00_01T__arg1_00_01T__arg2_00_01T__arg3_00_01T__arg4_01_4_inherit__map">
<area shape="rect" id="node3" href="classsigc_1_1bound__mem__functor4.html" title="bound_mem_functor4 encapsulates a method with 4 arguments and an object instance. ..." alt="" coords="5,199,201,255"/><area shape="rect" id="node2" href="structsigc_1_1functor__base.html" title="A hint to the compiler. " alt="" coords="34,5,173,32"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a9dcf1ef95187c2588ecf2abb089cc7c8"><td class="memItemLeft" align="right" valign="top">typedef T_return(T_obj::* </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1mem__functor4.html#a9dcf1ef95187c2588ecf2abb089cc7c8">function_type</a>) (T_arg1, T_arg2, T_arg3, T_arg4)</td></tr>
<tr class="separator:a9dcf1ef95187c2588ecf2abb089cc7c8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a79bf0a3c25dbe6eb07829ee55ce5d664"><td class="memItemLeft" align="right" valign="top">typedef T_return </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1mem__functor4.html#a79bf0a3c25dbe6eb07829ee55ce5d664">result_type</a></td></tr>
<tr class="separator:a79bf0a3c25dbe6eb07829ee55ce5d664"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a9774f0ab47d023f5bccdb9960c4fcdee"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1mem__functor4.html#a9774f0ab47d023f5bccdb9960c4fcdee">mem_functor4</a> ()</td></tr>
<tr class="memdesc:a9774f0ab47d023f5bccdb9960c4fcdee"><td class="mdescLeft"> </td><td class="mdescRight">Constructs an invalid functor. <a href="#a9774f0ab47d023f5bccdb9960c4fcdee">More...</a><br /></td></tr>
<tr class="separator:a9774f0ab47d023f5bccdb9960c4fcdee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4f7841b2ccd26fac6c21bf04fc524e08"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1mem__functor4.html#a4f7841b2ccd26fac6c21bf04fc524e08">mem_functor4</a> (<a class="el" href="classsigc_1_1mem__functor4.html#a9dcf1ef95187c2588ecf2abb089cc7c8">function_type</a> _A_func)</td></tr>
<tr class="memdesc:a4f7841b2ccd26fac6c21bf04fc524e08"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a <a class="el" href="classsigc_1_1mem__functor4.html" title="mem_functor4 wraps methods with 4 argument(s). ">mem_functor4</a> object that wraps the passed method. <a href="#a4f7841b2ccd26fac6c21bf04fc524e08">More...</a><br /></td></tr>
<tr class="separator:a4f7841b2ccd26fac6c21bf04fc524e08"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aee174e6e6c62a879f731715d3dc29e4b"><td class="memItemLeft" align="right" valign="top">T_return </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1mem__functor4.html#aee174e6e6c62a879f731715d3dc29e4b">operator()</a> (T_obj* _A_obj, <a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg1 > _A_a1, <a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg2 > _A_a2, <a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg3 > _A_a3, <a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg4 > _A_a4) const </td></tr>
<tr class="memdesc:aee174e6e6c62a879f731715d3dc29e4b"><td class="mdescLeft"> </td><td class="mdescRight">Execute the wrapped method operating on the passed instance. <a href="#aee174e6e6c62a879f731715d3dc29e4b">More...</a><br /></td></tr>
<tr class="separator:aee174e6e6c62a879f731715d3dc29e4b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad0951893114e10a42260d49c7f1738dc"><td class="memItemLeft" align="right" valign="top">T_return </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1mem__functor4.html#ad0951893114e10a42260d49c7f1738dc">operator()</a> (T_obj& _A_obj, <a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg1 > _A_a1, <a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg2 > _A_a2, <a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg3 > _A_a3, <a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg4 > _A_a4) const </td></tr>
<tr class="memdesc:ad0951893114e10a42260d49c7f1738dc"><td class="mdescLeft"> </td><td class="mdescRight">Execute the wrapped method operating on the passed instance. <a href="#ad0951893114e10a42260d49c7f1738dc">More...</a><br /></td></tr>
<tr class="separator:ad0951893114e10a42260d49c7f1738dc"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:a28282d9285ca1a2075fd8041905a6302"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsigc_1_1mem__functor4.html#a9dcf1ef95187c2588ecf2abb089cc7c8">function_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsigc_1_1mem__functor4.html#a28282d9285ca1a2075fd8041905a6302">func_ptr_</a></td></tr>
<tr class="separator:a28282d9285ca1a2075fd8041905a6302"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<class T_return, class T_obj, class T_arg1, class T_arg2, class T_arg3, class T_arg4><br />
class sigc::mem_functor4< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 ></h3>
<p><a class="el" href="classsigc_1_1mem__functor4.html" title="mem_functor4 wraps methods with 4 argument(s). ">mem_functor4</a> wraps methods with 4 argument(s). </p>
<p>Use the convenience function <a class="el" href="group__mem__fun.html#gadf6b6d22c503b439019f0a2e77352419" title="Creates a functor of type sigc::mem_functor0 which wraps a method. ">mem_fun()</a> to create an instance of <a class="el" href="classsigc_1_1mem__functor4.html" title="mem_functor4 wraps methods with 4 argument(s). ">mem_functor4</a>.</p>
<p>The following template arguments are used:</p><ul>
<li><em>T_arg1</em> Argument type used in the definition of <a class="el" href="classsigc_1_1mem__functor4.html#aee174e6e6c62a879f731715d3dc29e4b" title="Execute the wrapped method operating on the passed instance. ">operator()()</a>.</li>
<li><em>T_arg2</em> Argument type used in the definition of <a class="el" href="classsigc_1_1mem__functor4.html#aee174e6e6c62a879f731715d3dc29e4b" title="Execute the wrapped method operating on the passed instance. ">operator()()</a>.</li>
<li><em>T_arg3</em> Argument type used in the definition of <a class="el" href="classsigc_1_1mem__functor4.html#aee174e6e6c62a879f731715d3dc29e4b" title="Execute the wrapped method operating on the passed instance. ">operator()()</a>.</li>
<li><em>T_arg4</em> Argument type used in the definition of <a class="el" href="classsigc_1_1mem__functor4.html#aee174e6e6c62a879f731715d3dc29e4b" title="Execute the wrapped method operating on the passed instance. ">operator()()</a>.</li>
<li><em>T_return</em> The return type of <a class="el" href="classsigc_1_1mem__functor4.html#aee174e6e6c62a879f731715d3dc29e4b" title="Execute the wrapped method operating on the passed instance. ">operator()()</a>.</li>
<li><em>T_obj</em> The object type. </li>
</ul>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a class="anchor" id="a9dcf1ef95187c2588ecf2abb089cc7c8"></a>
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<div class="memproto">
<div class="memtemplate">
template <class T_return , class T_obj , class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 > </div>
<table class="memname">
<tr>
<td class="memname">typedef T_return(T_obj::* <a class="el" href="classsigc_1_1mem__functor4.html">sigc::mem_functor4</a>< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 >::function_type) (T_arg1, T_arg2, T_arg3, T_arg4)</td>
</tr>
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</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="a79bf0a3c25dbe6eb07829ee55ce5d664"></a>
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<div class="memtemplate">
template <class T_return , class T_obj , class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 > </div>
<table class="memname">
<tr>
<td class="memname">typedef T_return <a class="el" href="classsigc_1_1mem__functor4.html">sigc::mem_functor4</a>< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 >::<a class="el" href="classsigc_1_1mem__functor4.html#a79bf0a3c25dbe6eb07829ee55ce5d664">result_type</a></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a class="anchor" id="a9774f0ab47d023f5bccdb9960c4fcdee"></a>
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<div class="memproto">
<div class="memtemplate">
template <class T_return , class T_obj , class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 > </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classsigc_1_1mem__functor4.html">sigc::mem_functor4</a>< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 >::<a class="el" href="classsigc_1_1mem__functor4.html">mem_functor4</a> </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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<p>Constructs an invalid functor. </p>
</div>
</div>
<a class="anchor" id="a4f7841b2ccd26fac6c21bf04fc524e08"></a>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template <class T_return , class T_obj , class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 > </div>
<table class="mlabels">
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<td class="mlabels-left">
<table class="memname">
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<td class="memname"><a class="el" href="classsigc_1_1mem__functor4.html">sigc::mem_functor4</a>< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 >::<a class="el" href="classsigc_1_1mem__functor4.html">mem_functor4</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classsigc_1_1mem__functor4.html#a9dcf1ef95187c2588ecf2abb089cc7c8">function_type</a> </td>
<td class="paramname"><em>_A_func</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td>
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<p>Constructs a <a class="el" href="classsigc_1_1mem__functor4.html" title="mem_functor4 wraps methods with 4 argument(s). ">mem_functor4</a> object that wraps the passed method. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">_A_func</td><td>Pointer to method will be invoked from <a class="el" href="classsigc_1_1mem__functor4.html#aee174e6e6c62a879f731715d3dc29e4b" title="Execute the wrapped method operating on the passed instance. ">operator()()</a>. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="aee174e6e6c62a879f731715d3dc29e4b"></a>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template <class T_return , class T_obj , class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 > </div>
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<td class="memname">T_return <a class="el" href="classsigc_1_1mem__functor4.html">sigc::mem_functor4</a>< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 >::operator() </td>
<td>(</td>
<td class="paramtype">T_obj * </td>
<td class="paramname"><em>_A_obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg1 > </td>
<td class="paramname"><em>_A_a1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg2 > </td>
<td class="paramname"><em>_A_a2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg3 > </td>
<td class="paramname"><em>_A_a3</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg4 > </td>
<td class="paramname"><em>_A_a4</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
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</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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<p>Execute the wrapped method operating on the passed instance. </p>
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000146">Deprecated:</a></b></dt><dd>Please use the constructor that takes the object by reference instead.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">_A_obj</td><td>Pointer to instance the method should operate on. </td></tr>
<tr><td class="paramname">_A_a1</td><td>Argument to be passed on to the method. </td></tr>
<tr><td class="paramname">_A_a2</td><td>Argument to be passed on to the method. </td></tr>
<tr><td class="paramname">_A_a3</td><td>Argument to be passed on to the method. </td></tr>
<tr><td class="paramname">_A_a4</td><td>Argument to be passed on to the method. </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The return value of the method invocation. </dd></dl>
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template <class T_return , class T_obj , class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 > </div>
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<td class="memname">T_return <a class="el" href="classsigc_1_1mem__functor4.html">sigc::mem_functor4</a>< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 >::operator() </td>
<td>(</td>
<td class="paramtype">T_obj & </td>
<td class="paramname"><em>_A_obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg1 > </td>
<td class="paramname"><em>_A_a1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg2 > </td>
<td class="paramname"><em>_A_a2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg3 > </td>
<td class="paramname"><em>_A_a3</em>, </td>
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<td class="paramtype"><a class="el" href="namespacesigc.html#aa0d56c61023af35c47b79db80b32fd2e">type_trait_take_t</a>< T_arg4 > </td>
<td class="paramname"><em>_A_a4</em> </td>
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<td>)</td>
<td></td><td> const</td>
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<p>Execute the wrapped method operating on the passed instance. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">_A_obj</td><td>Reference to instance the method should operate on. </td></tr>
<tr><td class="paramname">_A_a1</td><td>Argument to be passed on to the method. </td></tr>
<tr><td class="paramname">_A_a2</td><td>Argument to be passed on to the method. </td></tr>
<tr><td class="paramname">_A_a3</td><td>Argument to be passed on to the method. </td></tr>
<tr><td class="paramname">_A_a4</td><td>Argument to be passed on to the method. </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>The return value of the method invocation. </dd></dl>
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<h2 class="groupheader">Member Data Documentation</h2>
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<div class="memproto">
<div class="memtemplate">
template <class T_return , class T_obj , class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 > </div>
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<td class="memname"><a class="el" href="classsigc_1_1mem__functor4.html#a9dcf1ef95187c2588ecf2abb089cc7c8">function_type</a> <a class="el" href="classsigc_1_1mem__functor4.html">sigc::mem_functor4</a>< T_return, T_obj, T_arg1, T_arg2, T_arg3, T_arg4 >::func_ptr_</td>
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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