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<title>libsigc++ 2.0: Adaptors</title>
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<!-- Generated by Doxygen 1.5.1 -->
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<h1>Adaptors</h1>
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<p>
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Collaboration diagram for Adaptors:<center><table><tr><td><img src="group__adaptors.png" border="0" alt="" usemap="#group____adaptors_map">
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<map name="group____adaptors_map">
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<area href="group__compose.html" shape="rect" coords="177,6,268,32" alt="">
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Adaptors are functors that alter the signature of a functor's operator()().
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<a href="#_details">More...</a><table border="0" cellpadding="0" cellspacing="0">
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<tr><td></td></tr>
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<tr><td colspan="2"><br><h2>Modules</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__bind.html">bind(), bind_return()</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__bind.html#g2148290d2cf9c1961ec157a085badd5a">sigc::bind()</a> alters an arbitrary functor by fixing arguments to certain values. <br></td></tr>
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<p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compose.html">compose()</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__compose.html#g57692495ec80dd855d4653adde4c8f49">sigc::compose()</a> combines two or three arbitrary functors. <br></td></tr>
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<p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__exception__catch.html">exception_catch()</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="namespacesigc.html#9aee9af00f94197bed616f6a5059c491">sigc::exception_catch()</a> catches an exception thrown from within the wrapped functor and directs it to a catcher functor. <br></td></tr>
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<p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hide.html">hide(), hide_return()</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__hide.html#g6e9653e79dbd111f458a2ccd690dadc6">sigc::hide()</a> alters an arbitrary functor in that it adds a parameter whose value is ignored on invocation of the returned functor. <br></td></tr>
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<p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__.html">group()</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="namespacesigc.html#d36281e6ca158599b36980a801f41aac">sigc::group()</a> alters an arbitrary functor by rebuilding its arguments from one or more lambda expressions. <br></td></tr>
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<p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__retype.html">retype(), retype_return()</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__retype.html#g9e7ecd809ebe0491bf96d63b34a3b7d6">sigc::retype()</a> alters a sigc::pointer_functor, a sigc::mem_functor or a <a class="el" href="classsigc_1_1slot.html">sigc::slot</a> in that it makes C-style casts to the functor's parameter types of all parameters passed through operator()(). <br></td></tr>
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<p>
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<tr><td colspan="2"><br><h2>Classes</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1adaptor__functor.html">sigc::adaptor_functor<T_functor></a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Converts an arbitrary functor into an adaptor type. <a href="structsigc_1_1adaptor__functor.html#_details">More...</a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1adapts.html">sigc::adapts<T_functor></a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Base type for adaptors. <a href="structsigc_1_1adapts.html#_details">More...</a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1adaptor__base.html">sigc::adaptor_base</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">A hint to the compiler. <a href="structsigc_1_1adaptor__base.html#_details">More...</a><br></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1deduce__result__type.html">sigc::deduce_result_type<T_functor, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, I_derives_adaptor_base></a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Deduce the return type of a functor. <a href="structsigc_1_1deduce__result__type.html#_details">More...</a><br></td></tr>
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
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<tr><td class="memTemplParams" nowrap colspan="2">template<class T_action, class T_functor> </td></tr>
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<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__adaptors.html#gfb822cac23e9bf97c164793a36246d5c">sigc::visit_each</a> (const T_action& _A_action, const adaptor_functor<T_functor>& _A_target)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Performs a functor on each of the targets of a functor. <a href="#gfb822cac23e9bf97c164793a36246d5c"></a><br></td></tr>
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</table>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
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Adaptors are functors that alter the signature of a functor's operator()().
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<p>
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The adaptor types libsigc++ provides are created with <a class="el" href="group__bind.html#g2148290d2cf9c1961ec157a085badd5a">bind()</a>, <a class="el" href="group__bind.html#g8a001b0bb588d2ac1af712781b89dc8a">bind_return()</a>, <a class="el" href="group__hide.html#g6e9653e79dbd111f458a2ccd690dadc6">hide()</a>, <a class="el" href="group__hide.html#gd7e18e1edbbefe13216eb344bd522f0a">hide_return()</a>, <a class="el" href="group__retype.html#g263b14f3b0e5616cd3b870d78a2627fa">retype_return()</a>, <a class="el" href="group__retype.html#g9e7ecd809ebe0491bf96d63b34a3b7d6">retype()</a>, <a class="el" href="group__compose.html#g57692495ec80dd855d4653adde4c8f49">compose()</a>, <a class="el" href="namespacesigc.html#9aee9af00f94197bed616f6a5059c491">exception_catch()</a> and <a class="el" href="namespacesigc.html#d36281e6ca158599b36980a801f41aac">group()</a>.<p>
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You can easily derive your own adaptor type from <a class="el" href="structsigc_1_1adapts.html">sigc::adapts</a>. <hr><h2>Function Documentation</h2>
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<a class="anchor" name="gfb822cac23e9bf97c164793a36246d5c"></a><!-- doxytag: member="sigc::visit_each" ref="gfb822cac23e9bf97c164793a36246d5c" args="(const T_action &_A_action, const adaptor_functor< T_functor > &_A_target)" -->
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template <class T_action, class T_functor> </div>
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<table class="memname">
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<td class="memname">void sigc::visit_each </td>
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<td>(</td>
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<td class="paramtype">const T_action & </td>
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<td class="paramname"> <em>_A_action</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const adaptor_functor< T_functor > & </td>
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<td class="paramname"> <em>_A_target</em></td><td> </td>
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<td>)</td>
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<div class="memdoc">
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<p>
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Performs a functor on each of the targets of a functor.
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The function overload for <a class="el" href="structsigc_1_1adaptor__functor.html">sigc::adaptor_functor</a> performs a functor on the functor stored in the <a class="el" href="structsigc_1_1adaptor__functor.html">sigc::adaptor_functor</a> object.
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<hr><address><small>
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