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<div id="projectname">libsigc++
 <span id="projectnumber">2.4.0</span>
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<div class="title">Adaptors</div> </div>
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<p>Adaptors are functors that alter the signature of a functor's operator()().
<a href="#details">More...</a></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="groups"></a>
Modules</h2></td></tr>
<tr class="memitem:group__bind"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__bind.html">bind(), bind_return()</a></td></tr>
<tr class="memdesc:group__bind"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4" title="Creates an adaptor of type sigc::bind_functor which binds the passed argument to the passed functor...">sigc::bind()</a> alters an arbitrary functor by fixing arguments to certain values. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:group__compose"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compose.html">compose()</a></td></tr>
<tr class="memdesc:group__compose"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__compose.html#ga34cf5da8f6323bfdc41bc7113d6ad20a" title="Creates an adaptor of type sigc::compose1_functor which combines two functors. ">sigc::compose()</a> combines two or three arbitrary functors. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:group__exception__catch"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__exception__catch.html">exception_catch()</a></td></tr>
<tr class="memdesc:group__exception__catch"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="namespacesigc.html#a0ae3b8a1ba26920cee4d7d9df2c39ed9">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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<tr class="memitem:group__group__"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__.html">group()</a></td></tr>
<tr class="memdesc:group__group__"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__lambdas.html#ga56a5905d189af5fab33d8c456f097a29" title="Alters an arbitrary functor by rebuilding its arguments from 1 lambda expressions. ">sigc::group()</a> alters an arbitrary functor by rebuilding its arguments from one or more lambda expressions. <br /></td></tr>
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<tr class="memitem:group__hide"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hide.html">hide(), hide_return()</a></td></tr>
<tr class="memdesc:group__hide"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__hide.html#gaf2cefea3a99acd44f68121424103172d" title="Creates an adaptor of type sigc::hide_functor which adds a dummy parameter to the passed functor...">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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<tr class="memitem:group__retype"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__retype.html">retype(), retype_return()</a></td></tr>
<tr class="memdesc:group__retype"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__retype.html#ga8b98eeb2a61b5b1f84dcd1d20fe666f1" title="Creates an adaptor of type sigc::retype_functor which performs C-style casts on the parameters passed...">sigc::retype()</a> alters a sigc::pointer_functor, a sigc::mem_functor or a <a class="el" href="classsigc_1_1slot.html" title="Convenience wrapper for the numbered sigc::slot# templates. ">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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<tr class="memitem:group__track__obj"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__track__obj.html">track_obj()</a></td></tr>
<tr class="memdesc:group__track__obj"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="group__track__obj.html#ga8fd1ab36d123ff83dd4cd8dc58bb28e2" title="Creates an adaptor of type sigc::track_obj_functor1 which wraps a functor. ">sigc::track_obj()</a> tracks trackable objects, referenced from a functor. <br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" 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>
<tr class="memdesc:"><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 class="memitem:"><td class="memItemLeft" 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>
<tr class="memdesc:"><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 class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1adaptor__trait.html">sigc::adaptor_trait< T_functor, I_isadaptor ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Trait that specifies what is the adaptor version of a functor type. <a href="structsigc_1_1adaptor__trait.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" 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>
<tr class="memdesc:"><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 class="memitem:"><td class="memItemLeft" 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>
<tr class="memdesc:"><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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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Adaptors are functors that alter the signature of a functor's operator()(). </p>
<p>The adaptor types libsigc++ provides are created with <a class="el" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4" title="Creates an adaptor of type sigc::bind_functor which binds the passed argument to the passed functor...">bind()</a>, <a class="el" href="group__bind.html#gaca1ae2466988d67d00a5f2cd16c8d90a" title="Creates an adaptor of type sigc::bind_return_functor which fixes the return value of the passed funct...">bind_return()</a>, <a class="el" href="group__hide.html#gaf2cefea3a99acd44f68121424103172d" title="Creates an adaptor of type sigc::hide_functor which adds a dummy parameter to the passed functor...">hide()</a>, <a class="el" href="group__hide.html#gae4e6f5491471c12440f1c5d480726b98" title="Creates an adaptor of type sigc::retype_return_functor which drops the return value of the passed fun...">hide_return()</a>, <a class="el" href="group__retype.html#ga23a8cdbc12c57fbef0866b5c51d71588" title="Creates an adaptor of type sigc::retype_return_functor which performs a C-style cast on the return va...">retype_return()</a>, <a class="el" href="group__retype.html#ga8b98eeb2a61b5b1f84dcd1d20fe666f1" title="Creates an adaptor of type sigc::retype_functor which performs C-style casts on the parameters passed...">retype()</a>, <a class="el" href="group__compose.html#ga34cf5da8f6323bfdc41bc7113d6ad20a" title="Creates an adaptor of type sigc::compose1_functor which combines two functors. ">compose()</a>, <a class="el" href="namespacesigc.html#a0ae3b8a1ba26920cee4d7d9df2c39ed9">exception_catch()</a>, <a class="el" href="group__track__obj.html#ga8fd1ab36d123ff83dd4cd8dc58bb28e2" title="Creates an adaptor of type sigc::track_obj_functor1 which wraps a functor. ">track_obj()</a> and <a class="el" href="group__lambdas.html#ga56a5905d189af5fab33d8c456f097a29" title="Alters an arbitrary functor by rebuilding its arguments from 1 lambda expressions. ">group()</a>.</p>
<p>You can easily derive your own adaptor type from <a class="el" href="structsigc_1_1adapts.html" title="Base type for adaptors. ">sigc::adapts</a>. </p>
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