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23  <span id="projectnumber">2.10.8</span>
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47 <div class="title">bind(), bind_return()<div class="ingroups"><a class="el" href="group__adaptors.html">Adaptors</a></div></div> </div>
49 <div class="contents">
51 <p><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.
52 <a href="#details">More...</a></p>
53 <table class="memberdecls">
54 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
55 Classes</h2></td></tr>
56 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1bind__functor.html">sigc::bind_functor< I_location, T_functor, T_type1, T_type2, T_type3, T_type4, T_type5, T_type6, T_type7 ></a></td></tr>
57 <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Adaptor that binds an argument to the wrapped functor. <a href="structsigc_1_1bind__functor.html#details">More...</a><br /></td></tr>
58 <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
59 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1bind__functor_3_010_00_01T__functor_00_01T__bound_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html">sigc::bind_functor< 0, T_functor, T_bound, nil, nil, nil, nil, nil, nil ></a></td></tr>
60 <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Adaptor that binds an argument to the wrapped functor. <a href="structsigc_1_1bind__functor_3_010_00_01T__functor_00_01T__bound_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html#details">More...</a><br /></td></tr>
61 <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
62 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1bind__functor_3-1_00_01T__functor_00_01T__type1_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html">sigc::bind_functor<-1, T_functor, T_type1, nil, nil, nil, nil, nil, nil ></a></td></tr>
63 <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Adaptor that binds 1 argument(s) to the wrapped functor. <a href="structsigc_1_1bind__functor_3-1_00_01T__functor_00_01T__type1_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_00_01nil_01_4.html#details">More...</a><br /></td></tr>
64 <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
65 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1bind__return__functor.html">sigc::bind_return_functor< T_return, T_functor ></a></td></tr>
66 <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Adaptor that fixes the return value of the wrapped functor. <a href="structsigc_1_1bind__return__functor.html#details">More...</a><br /></td></tr>
67 <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
68 </table><table class="memberdecls">
69 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
70 Functions</h2></td></tr>
71 <tr class="memitem:ga2f099bc6056b32f2a58134ba8537c6f4"><td class="memTemplParams" colspan="2">template<int I_location, class T_bound1 , class T_functor > </td></tr>
72 <tr class="memitem:ga2f099bc6056b32f2a58134ba8537c6f4"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a>< I_location, T_functor, T_bound1 > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">sigc::bind</a> (const T_functor & _A_func, T_bound1 _A_b1)</td></tr>
73 <tr class="memdesc:ga2f099bc6056b32f2a58134ba8537c6f4"><td class="mdescLeft"> </td><td class="mdescRight">Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which binds the passed argument to the passed functor. <a href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">More...</a><br /></td></tr>
74 <tr class="separator:ga2f099bc6056b32f2a58134ba8537c6f4"><td class="memSeparator" colspan="2"> </td></tr>
75 <tr class="memitem:ga211b3361bb1ae7484b2b276fd926b962"><td class="memTemplParams" colspan="2">template<class T_type1 , class T_functor > </td></tr>
76 <tr class="memitem:ga211b3361bb1ae7484b2b276fd926b962"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1 > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__bind.html#ga211b3361bb1ae7484b2b276fd926b962">sigc::bind</a> (const T_functor & _A_func, T_type1 _A_b1)</td></tr>
77 <tr class="memdesc:ga211b3361bb1ae7484b2b276fd926b962"><td class="mdescLeft"> </td><td class="mdescRight">Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 1 argument(s) of the passed functor. <a href="group__bind.html#ga211b3361bb1ae7484b2b276fd926b962">More...</a><br /></td></tr>
78 <tr class="separator:ga211b3361bb1ae7484b2b276fd926b962"><td class="memSeparator" colspan="2"> </td></tr>
79 <tr class="memitem:gaf1e076f0734addb8080f1cbcac602591"><td class="memTemplParams" colspan="2">template<class T_type1 , class T_type2 , class T_functor > </td></tr>
80 <tr class="memitem:gaf1e076f0734addb8080f1cbcac602591"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2 > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__bind.html#gaf1e076f0734addb8080f1cbcac602591">sigc::bind</a> (const T_functor & _A_func, T_type1 _A_b1, T_type2 _A_b2)</td></tr>
81 <tr class="memdesc:gaf1e076f0734addb8080f1cbcac602591"><td class="mdescLeft"> </td><td class="mdescRight">Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 2 argument(s) of the passed functor. <a href="group__bind.html#gaf1e076f0734addb8080f1cbcac602591">More...</a><br /></td></tr>
82 <tr class="separator:gaf1e076f0734addb8080f1cbcac602591"><td class="memSeparator" colspan="2"> </td></tr>
83 <tr class="memitem:ga047061c9fa7d9dcde68c27cceed476a1"><td class="memTemplParams" colspan="2">template<class T_type1 , class T_type2 , class T_type3 , class T_functor > </td></tr>
84 <tr class="memitem:ga047061c9fa7d9dcde68c27cceed476a1"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3 > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__bind.html#ga047061c9fa7d9dcde68c27cceed476a1">sigc::bind</a> (const T_functor & _A_func, T_type1 _A_b1, T_type2 _A_b2, T_type3 _A_b3)</td></tr>
85 <tr class="memdesc:ga047061c9fa7d9dcde68c27cceed476a1"><td class="mdescLeft"> </td><td class="mdescRight">Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 3 argument(s) of the passed functor. <a href="group__bind.html#ga047061c9fa7d9dcde68c27cceed476a1">More...</a><br /></td></tr>
86 <tr class="separator:ga047061c9fa7d9dcde68c27cceed476a1"><td class="memSeparator" colspan="2"> </td></tr>
87 <tr class="memitem:ga8366abceb86ee653ec2ac50cef9fd16d"><td class="memTemplParams" colspan="2">template<class T_type1 , class T_type2 , class T_type3 , class T_type4 , class T_functor > </td></tr>
88 <tr class="memitem:ga8366abceb86ee653ec2ac50cef9fd16d"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3, T_type4 > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__bind.html#ga8366abceb86ee653ec2ac50cef9fd16d">sigc::bind</a> (const T_functor & _A_func, T_type1 _A_b1, T_type2 _A_b2, T_type3 _A_b3, T_type4 _A_b4)</td></tr>
89 <tr class="memdesc:ga8366abceb86ee653ec2ac50cef9fd16d"><td class="mdescLeft"> </td><td class="mdescRight">Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 4 argument(s) of the passed functor. <a href="group__bind.html#ga8366abceb86ee653ec2ac50cef9fd16d">More...</a><br /></td></tr>
90 <tr class="separator:ga8366abceb86ee653ec2ac50cef9fd16d"><td class="memSeparator" colspan="2"> </td></tr>
91 <tr class="memitem:ga7f163c830d7906906cf21ff0c5e0f17f"><td class="memTemplParams" colspan="2">template<class T_type1 , class T_type2 , class T_type3 , class T_type4 , class T_type5 , class T_functor > </td></tr>
92 <tr class="memitem:ga7f163c830d7906906cf21ff0c5e0f17f"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3, T_type4, T_type5 > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__bind.html#ga7f163c830d7906906cf21ff0c5e0f17f">sigc::bind</a> (const T_functor & _A_func, T_type1 _A_b1, T_type2 _A_b2, T_type3 _A_b3, T_type4 _A_b4, T_type5 _A_b5)</td></tr>
93 <tr class="memdesc:ga7f163c830d7906906cf21ff0c5e0f17f"><td class="mdescLeft"> </td><td class="mdescRight">Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 5 argument(s) of the passed functor. <a href="group__bind.html#ga7f163c830d7906906cf21ff0c5e0f17f">More...</a><br /></td></tr>
94 <tr class="separator:ga7f163c830d7906906cf21ff0c5e0f17f"><td class="memSeparator" colspan="2"> </td></tr>
95 <tr class="memitem:gac370f58b773f68c229c181f07e9b9e79"><td class="memTemplParams" colspan="2">template<class T_type1 , class T_type2 , class T_type3 , class T_type4 , class T_type5 , class T_type6 , class T_functor > </td></tr>
96 <tr class="memitem:gac370f58b773f68c229c181f07e9b9e79"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3, T_type4, T_type5, T_type6 > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__bind.html#gac370f58b773f68c229c181f07e9b9e79">sigc::bind</a> (const T_functor & _A_func, T_type1 _A_b1, T_type2 _A_b2, T_type3 _A_b3, T_type4 _A_b4, T_type5 _A_b5, T_type6 _A_b6)</td></tr>
97 <tr class="memdesc:gac370f58b773f68c229c181f07e9b9e79"><td class="mdescLeft"> </td><td class="mdescRight">Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 6 argument(s) of the passed functor. <a href="group__bind.html#gac370f58b773f68c229c181f07e9b9e79">More...</a><br /></td></tr>
98 <tr class="separator:gac370f58b773f68c229c181f07e9b9e79"><td class="memSeparator" colspan="2"> </td></tr>
99 <tr class="memitem:ga962b581ef0c17562bb3317783d3ffe7d"><td class="memTemplParams" colspan="2">template<class T_type1 , class T_type2 , class T_type3 , class T_type4 , class T_type5 , class T_type6 , class T_type7 , class T_functor > </td></tr>
100 <tr class="memitem:ga962b581ef0c17562bb3317783d3ffe7d"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3, T_type4, T_type5, T_type6, T_type7 > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__bind.html#ga962b581ef0c17562bb3317783d3ffe7d">sigc::bind</a> (const T_functor & _A_func, T_type1 _A_b1, T_type2 _A_b2, T_type3 _A_b3, T_type4 _A_b4, T_type5 _A_b5, T_type6 _A_b6, T_type7 _A_b7)</td></tr>
101 <tr class="memdesc:ga962b581ef0c17562bb3317783d3ffe7d"><td class="mdescLeft"> </td><td class="mdescRight">Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 7 argument(s) of the passed functor. <a href="group__bind.html#ga962b581ef0c17562bb3317783d3ffe7d">More...</a><br /></td></tr>
102 <tr class="separator:ga962b581ef0c17562bb3317783d3ffe7d"><td class="memSeparator" colspan="2"> </td></tr>
103 <tr class="memitem:gaca1ae2466988d67d00a5f2cd16c8d90a"><td class="memTemplParams" colspan="2">template<class T_return , class T_functor > </td></tr>
104 <tr class="memitem:gaca1ae2466988d67d00a5f2cd16c8d90a"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structsigc_1_1bind__return__functor.html">bind_return_functor</a>< T_return, T_functor > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__bind.html#gaca1ae2466988d67d00a5f2cd16c8d90a">sigc::bind_return</a> (const T_functor & _A_functor, T_return _A_ret_value)</td></tr>
105 <tr class="memdesc:gaca1ae2466988d67d00a5f2cd16c8d90a"><td class="mdescLeft"> </td><td class="mdescRight">Creates an adaptor of type <a class="el" href="structsigc_1_1bind__return__functor.html" title="Adaptor that fixes the return value of the wrapped functor.">sigc::bind_return_functor</a> which fixes the return value of the passed functor to the passed argument. <a href="group__bind.html#gaca1ae2466988d67d00a5f2cd16c8d90a">More...</a><br /></td></tr>
106 <tr class="separator:gaca1ae2466988d67d00a5f2cd16c8d90a"><td class="memSeparator" colspan="2"> </td></tr>
108 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
109 <p><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. </p>
110 <p>Up to 7 arguments can be bound at a time. For single argument binding, overloads of <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> are provided that let you specify the zero-based position of the argument to fix with the first template parameter. (A value of <code>-1</code> fixes the last argument so <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><-1>() gives the same result as <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>.) The types of the arguments can optionally be specified if not deduced.</p>
111 <dl class="section user"><dt>Examples:</dt><dd><div class="fragment"><div class="line"><span class="keywordtype">void</span> foo(<span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>);</div>
112 <div class="line"><span class="comment">// single argument binding ...</span></div>
113 <div class="line"><a class="code" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">sigc::bind</a>(&foo,1)(2,3); <span class="comment">//fixes the last (third) argument and calls foo(2,3,1)</span></div>
114 <div class="line"><a class="code" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">sigc::bind</a><-1>(&foo,1)(2,3); <span class="comment">//same as bind(&foo,1)(2,3) (calls foo(2,3,1))</span></div>
115 <div class="line">sigc::bind<0>(&foo,1)(2,3); <span class="comment">//fixes the first argument and calls foo(1,2,3)</span></div>
116 <div class="line">sigc::bind<1>(&foo,1)(2,3); <span class="comment">//fixes the second argument and calls foo(2,1,3)</span></div>
117 <div class="line">sigc::bind<2>(&foo,1)(2,3); <span class="comment">//fixes the third argument and calls foo(2,3,1)</span></div>
118 <div class="line"><span class="comment">// multi argument binding ...</span></div>
119 <div class="line"><a class="code" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">sigc::bind</a>(&foo,1,2)(3); <span class="comment">//fixes the last two arguments and calls foo(3,1,2)</span></div>
120 <div class="line"><a class="code" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">sigc::bind</a>(&foo,1,2,3)(); <span class="comment">//fixes all three arguments and calls foo(1,2,3)</span></div>
121 <div class="ttc" id="agroup__bind_html_ga2f099bc6056b32f2a58134ba8537c6f4"><div class="ttname"><a href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">sigc::bind</a></div><div class="ttdeci">bind_functor< I_location, T_functor, T_bound1 > bind(const T_functor &_A_func, T_bound1 _A_b1)</div><div class="ttdoc">Creates an adaptor of type sigc::bind_functor which binds the passed argument to the passed functor.</div><div class="ttdef"><b>Definition:</b> bind.h:2114</div></div>
122 </div><!-- fragment --></dd></dl>
123 <p>The functor <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> returns can be passed into <a class="el" href="classsigc_1_1signal7.html#adc55ac9b0f935fd87a67904022e03cb2" title="Add a slot to the list of slots.">sigc::signal::connect()</a> directly.</p>
124 <dl class="section user"><dt>Example:</dt><dd><div class="fragment"><div class="line"><a class="code" href="classsigc_1_1signal.html">sigc::signal<void></a> some_signal;</div>
125 <div class="line"><span class="keywordtype">void</span> foo(<span class="keywordtype">int</span>);</div>
126 <div class="line">some_signal.<a class="code" href="classsigc_1_1signal7.html#adc55ac9b0f935fd87a67904022e03cb2">connect</a>(<a class="code" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">sigc::bind</a>(&foo,1));</div>
127 <div class="ttc" id="aclasssigc_1_1signal7_html_adc55ac9b0f935fd87a67904022e03cb2"><div class="ttname"><a href="classsigc_1_1signal7.html#adc55ac9b0f935fd87a67904022e03cb2">sigc::signal7::connect</a></div><div class="ttdeci">iterator connect(const slot_type &slot_)</div><div class="ttdoc">Add a slot to the list of slots.</div><div class="ttdef"><b>Definition:</b> signal.h:3871</div></div>
128 <div class="ttc" id="aclasssigc_1_1signal_html"><div class="ttname"><a href="classsigc_1_1signal.html">sigc::signal</a></div><div class="ttdoc">Convenience wrapper for the numbered sigc::signal# templates.</div><div class="ttdef"><b>Definition:</b> signal.h:4015</div></div>
129 </div><!-- fragment --></dd></dl>
130 <p><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...">sigc::bind_return()</a> alters an arbitrary functor by fixing its return value to a certain value.</p>
131 <dl class="section user"><dt>Example:</dt><dd><div class="fragment"><div class="line"><span class="keywordtype">void</span> foo();</div>
132 <div class="line"><a class="codeRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01635.html#aaf93fdf0812752e0e02c501dea1b38f0">std::cout</a> << <a class="code" href="group__bind.html#gaca1ae2466988d67d00a5f2cd16c8d90a">sigc::bind_return</a>(&foo, 5)(); <span class="comment">// calls foo() and returns 5</span></div>
133 <div class="ttc" id="aa01635_html_aaf93fdf0812752e0e02c501dea1b38f0"><div class="ttname"><a href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01635.html#aaf93fdf0812752e0e02c501dea1b38f0">std::cout</a></div><div class="ttdeci">ostream cout</div></div>
134 <div class="ttc" id="agroup__bind_html_gaca1ae2466988d67d00a5f2cd16c8d90a"><div class="ttname"><a href="group__bind.html#gaca1ae2466988d67d00a5f2cd16c8d90a">sigc::bind_return</a></div><div class="ttdeci">bind_return_functor< T_return, T_functor > bind_return(const T_functor &_A_functor, T_return _A_ret_value)</div><div class="ttdoc">Creates an adaptor of type sigc::bind_return_functor which fixes the return value of the passed funct...</div><div class="ttdef"><b>Definition:</b> bind_return.h:229</div></div>
135 </div><!-- fragment --></dd></dl>
136 <p>You can bind references to functors by passing the objects through the std::ref() or std::cref() functions.</p>
137 <dl class="section user"><dt>Example:</dt><dd><div class="fragment"><div class="line"><span class="keywordtype">int</span> some_int;</div>
138 <div class="line"><a class="code" href="classsigc_1_1signal.html">sigc::signal<void></a> some_signal;</div>
139 <div class="line"><span class="keywordtype">void</span> foo(<span class="keywordtype">int</span>&);</div>
140 <div class="line">some_signal.<a class="code" href="classsigc_1_1signal7.html#adc55ac9b0f935fd87a67904022e03cb2">connect</a>(<a class="code" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">sigc::bind</a>(&foo, std::ref(some_int)));</div>
141 </div><!-- fragment --></dd></dl>
142 <p>If you bind an object of a <a class="el" href="structsigc_1_1trackable.html" title="Base class for objects with auto-disconnection.">sigc::trackable</a> derived type to a functor by reference, a slot assigned to the bind adaptor is cleared automatically when the object goes out of scope.</p>
143 <dl class="section user"><dt>Example:</dt><dd><div class="fragment"><div class="line"><span class="keyword">struct </span>bar : <span class="keyword">public</span> <a class="code" href="structsigc_1_1trackable.html">sigc::trackable</a> {} some_bar;</div>
144 <div class="line"><a class="code" href="classsigc_1_1signal.html">sigc::signal<void></a> some_signal;</div>
145 <div class="line"><span class="keywordtype">void</span> foo(bar&);</div>
146 <div class="line">some_signal.<a class="code" href="classsigc_1_1signal7.html#adc55ac9b0f935fd87a67904022e03cb2">connect</a>(<a class="code" href="group__bind.html#ga2f099bc6056b32f2a58134ba8537c6f4">sigc::bind</a>(&foo, std::ref(some_bar)));</div>
147 <div class="line"> <span class="comment">// disconnected automatically if some_bar goes out of scope</span></div>
148 <div class="ttc" id="astructsigc_1_1trackable_html"><div class="ttname"><a href="structsigc_1_1trackable.html">sigc::trackable</a></div><div class="ttdoc">Base class for objects with auto-disconnection.</div><div class="ttdef"><b>Definition:</b> trackable.h:110</div></div>
149 </div><!-- fragment --> </dd></dl>
150 <h2 class="groupheader">Function Documentation</h2>
151 <a id="ga2f099bc6056b32f2a58134ba8537c6f4"></a>
152 <h2 class="memtitle"><span class="permalink"><a href="#ga2f099bc6056b32f2a58134ba8537c6f4">◆ </a></span>bind() <span class="overload">[1/8]</span></h2>
154 <div class="memitem">
155 <div class="memproto">
156 <div class="memtemplate">
157 template <int I_location, class T_bound1 , class T_functor > </div>
158 <table class="mlabels">
160 <td class="mlabels-left">
161 <table class="memname">
163 <td class="memname"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><I_location, T_functor, T_bound1> sigc::bind </td>
165 <td class="paramtype">const T_functor & </td>
166 <td class="paramname"><em>_A_func</em>, </td>
169 <td class="paramkey"></td>
171 <td class="paramtype">T_bound1 </td>
172 <td class="paramname"><em>_A_b1</em> </td>
181 <td class="mlabels-right">
182 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
185 </div><div class="memdoc">
187 <p>Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which binds the passed argument to the passed functor. </p>
188 <p>The optional template argument <em>I_location</em> specifies the zero-based position of the argument to be fixed (<code>-1</code> stands for the last argument).</p>
189 <dl class="params"><dt>Parameters</dt><dd>
190 <table class="params">
191 <tr><td class="paramname">_A_func</td><td>Functor that should be wrapped. </td></tr>
192 <tr><td class="paramname">_A_b1</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
196 <dl class="section return"><dt>Returns</dt><dd>Adaptor that executes <em>_A_func</em> with the bound argument on invokation. </dd></dl>
200 <a id="ga211b3361bb1ae7484b2b276fd926b962"></a>
201 <h2 class="memtitle"><span class="permalink"><a href="#ga211b3361bb1ae7484b2b276fd926b962">◆ </a></span>bind() <span class="overload">[2/8]</span></h2>
203 <div class="memitem">
204 <div class="memproto">
205 <div class="memtemplate">
206 template <class T_type1 , class T_functor > </div>
207 <table class="mlabels">
209 <td class="mlabels-left">
210 <table class="memname">
212 <td class="memname"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1> sigc::bind </td>
214 <td class="paramtype">const T_functor & </td>
215 <td class="paramname"><em>_A_func</em>, </td>
218 <td class="paramkey"></td>
220 <td class="paramtype">T_type1 </td>
221 <td class="paramname"><em>_A_b1</em> </td>
230 <td class="mlabels-right">
231 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
234 </div><div class="memdoc">
236 <p>Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 1 argument(s) of the passed functor. </p>
237 <p>This function overload fixes the last 1 argument(s) of <em>_A_func</em>.</p>
238 <dl class="params"><dt>Parameters</dt><dd>
239 <table class="params">
240 <tr><td class="paramname">_A_func</td><td>Functor that should be wrapped. </td></tr>
241 <tr><td class="paramname">_A_b1</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
245 <dl class="section return"><dt>Returns</dt><dd>Adaptor that executes _A_func with the bound argument on invokation. </dd></dl>
249 <a id="gaf1e076f0734addb8080f1cbcac602591"></a>
250 <h2 class="memtitle"><span class="permalink"><a href="#gaf1e076f0734addb8080f1cbcac602591">◆ </a></span>bind() <span class="overload">[3/8]</span></h2>
252 <div class="memitem">
253 <div class="memproto">
254 <div class="memtemplate">
255 template <class T_type1 , class T_type2 , class T_functor > </div>
256 <table class="mlabels">
258 <td class="mlabels-left">
259 <table class="memname">
261 <td class="memname"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2> sigc::bind </td>
263 <td class="paramtype">const T_functor & </td>
264 <td class="paramname"><em>_A_func</em>, </td>
267 <td class="paramkey"></td>
269 <td class="paramtype">T_type1 </td>
270 <td class="paramname"><em>_A_b1</em>, </td>
273 <td class="paramkey"></td>
275 <td class="paramtype">T_type2 </td>
276 <td class="paramname"><em>_A_b2</em> </td>
285 <td class="mlabels-right">
286 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
289 </div><div class="memdoc">
291 <p>Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 2 argument(s) of the passed functor. </p>
292 <p>This function overload fixes the last 2 argument(s) of <em>_A_func</em>.</p>
293 <dl class="params"><dt>Parameters</dt><dd>
294 <table class="params">
295 <tr><td class="paramname">_A_func</td><td>Functor that should be wrapped. </td></tr>
296 <tr><td class="paramname">_A_b1</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
297 <tr><td class="paramname">_A_b2</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
301 <dl class="section return"><dt>Returns</dt><dd>Adaptor that executes _A_func with the bound argument on invokation. </dd></dl>
305 <a id="ga047061c9fa7d9dcde68c27cceed476a1"></a>
306 <h2 class="memtitle"><span class="permalink"><a href="#ga047061c9fa7d9dcde68c27cceed476a1">◆ </a></span>bind() <span class="overload">[4/8]</span></h2>
308 <div class="memitem">
309 <div class="memproto">
310 <div class="memtemplate">
311 template <class T_type1 , class T_type2 , class T_type3 , class T_functor > </div>
312 <table class="mlabels">
314 <td class="mlabels-left">
315 <table class="memname">
317 <td class="memname"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3> sigc::bind </td>
319 <td class="paramtype">const T_functor & </td>
320 <td class="paramname"><em>_A_func</em>, </td>
323 <td class="paramkey"></td>
325 <td class="paramtype">T_type1 </td>
326 <td class="paramname"><em>_A_b1</em>, </td>
329 <td class="paramkey"></td>
331 <td class="paramtype">T_type2 </td>
332 <td class="paramname"><em>_A_b2</em>, </td>
335 <td class="paramkey"></td>
337 <td class="paramtype">T_type3 </td>
338 <td class="paramname"><em>_A_b3</em> </td>
347 <td class="mlabels-right">
348 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
351 </div><div class="memdoc">
353 <p>Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 3 argument(s) of the passed functor. </p>
354 <p>This function overload fixes the last 3 argument(s) of <em>_A_func</em>.</p>
355 <dl class="params"><dt>Parameters</dt><dd>
356 <table class="params">
357 <tr><td class="paramname">_A_func</td><td>Functor that should be wrapped. </td></tr>
358 <tr><td class="paramname">_A_b1</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
359 <tr><td class="paramname">_A_b2</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
360 <tr><td class="paramname">_A_b3</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
364 <dl class="section return"><dt>Returns</dt><dd>Adaptor that executes _A_func with the bound argument on invokation. </dd></dl>
368 <a id="ga8366abceb86ee653ec2ac50cef9fd16d"></a>
369 <h2 class="memtitle"><span class="permalink"><a href="#ga8366abceb86ee653ec2ac50cef9fd16d">◆ </a></span>bind() <span class="overload">[5/8]</span></h2>
371 <div class="memitem">
372 <div class="memproto">
373 <div class="memtemplate">
374 template <class T_type1 , class T_type2 , class T_type3 , class T_type4 , class T_functor > </div>
375 <table class="mlabels">
377 <td class="mlabels-left">
378 <table class="memname">
380 <td class="memname"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3, T_type4> sigc::bind </td>
382 <td class="paramtype">const T_functor & </td>
383 <td class="paramname"><em>_A_func</em>, </td>
386 <td class="paramkey"></td>
388 <td class="paramtype">T_type1 </td>
389 <td class="paramname"><em>_A_b1</em>, </td>
392 <td class="paramkey"></td>
394 <td class="paramtype">T_type2 </td>
395 <td class="paramname"><em>_A_b2</em>, </td>
398 <td class="paramkey"></td>
400 <td class="paramtype">T_type3 </td>
401 <td class="paramname"><em>_A_b3</em>, </td>
404 <td class="paramkey"></td>
406 <td class="paramtype">T_type4 </td>
407 <td class="paramname"><em>_A_b4</em> </td>
416 <td class="mlabels-right">
417 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
420 </div><div class="memdoc">
422 <p>Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 4 argument(s) of the passed functor. </p>
423 <p>This function overload fixes the last 4 argument(s) of <em>_A_func</em>.</p>
424 <dl class="params"><dt>Parameters</dt><dd>
425 <table class="params">
426 <tr><td class="paramname">_A_func</td><td>Functor that should be wrapped. </td></tr>
427 <tr><td class="paramname">_A_b1</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
428 <tr><td class="paramname">_A_b2</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
429 <tr><td class="paramname">_A_b3</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
430 <tr><td class="paramname">_A_b4</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
434 <dl class="section return"><dt>Returns</dt><dd>Adaptor that executes _A_func with the bound argument on invokation. </dd></dl>
438 <a id="ga7f163c830d7906906cf21ff0c5e0f17f"></a>
439 <h2 class="memtitle"><span class="permalink"><a href="#ga7f163c830d7906906cf21ff0c5e0f17f">◆ </a></span>bind() <span class="overload">[6/8]</span></h2>
441 <div class="memitem">
442 <div class="memproto">
443 <div class="memtemplate">
444 template <class T_type1 , class T_type2 , class T_type3 , class T_type4 , class T_type5 , class T_functor > </div>
445 <table class="mlabels">
447 <td class="mlabels-left">
448 <table class="memname">
450 <td class="memname"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3, T_type4, T_type5> sigc::bind </td>
452 <td class="paramtype">const T_functor & </td>
453 <td class="paramname"><em>_A_func</em>, </td>
456 <td class="paramkey"></td>
458 <td class="paramtype">T_type1 </td>
459 <td class="paramname"><em>_A_b1</em>, </td>
462 <td class="paramkey"></td>
464 <td class="paramtype">T_type2 </td>
465 <td class="paramname"><em>_A_b2</em>, </td>
468 <td class="paramkey"></td>
470 <td class="paramtype">T_type3 </td>
471 <td class="paramname"><em>_A_b3</em>, </td>
474 <td class="paramkey"></td>
476 <td class="paramtype">T_type4 </td>
477 <td class="paramname"><em>_A_b4</em>, </td>
480 <td class="paramkey"></td>
482 <td class="paramtype">T_type5 </td>
483 <td class="paramname"><em>_A_b5</em> </td>
492 <td class="mlabels-right">
493 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
496 </div><div class="memdoc">
498 <p>Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 5 argument(s) of the passed functor. </p>
499 <p>This function overload fixes the last 5 argument(s) of <em>_A_func</em>.</p>
500 <dl class="params"><dt>Parameters</dt><dd>
501 <table class="params">
502 <tr><td class="paramname">_A_func</td><td>Functor that should be wrapped. </td></tr>
503 <tr><td class="paramname">_A_b1</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
504 <tr><td class="paramname">_A_b2</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
505 <tr><td class="paramname">_A_b3</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
506 <tr><td class="paramname">_A_b4</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
507 <tr><td class="paramname">_A_b5</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
511 <dl class="section return"><dt>Returns</dt><dd>Adaptor that executes _A_func with the bound argument on invokation. </dd></dl>
515 <a id="gac370f58b773f68c229c181f07e9b9e79"></a>
516 <h2 class="memtitle"><span class="permalink"><a href="#gac370f58b773f68c229c181f07e9b9e79">◆ </a></span>bind() <span class="overload">[7/8]</span></h2>
518 <div class="memitem">
519 <div class="memproto">
520 <div class="memtemplate">
521 template <class T_type1 , class T_type2 , class T_type3 , class T_type4 , class T_type5 , class T_type6 , class T_functor > </div>
522 <table class="mlabels">
524 <td class="mlabels-left">
525 <table class="memname">
527 <td class="memname"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3, T_type4, T_type5, T_type6> sigc::bind </td>
529 <td class="paramtype">const T_functor & </td>
530 <td class="paramname"><em>_A_func</em>, </td>
533 <td class="paramkey"></td>
535 <td class="paramtype">T_type1 </td>
536 <td class="paramname"><em>_A_b1</em>, </td>
539 <td class="paramkey"></td>
541 <td class="paramtype">T_type2 </td>
542 <td class="paramname"><em>_A_b2</em>, </td>
545 <td class="paramkey"></td>
547 <td class="paramtype">T_type3 </td>
548 <td class="paramname"><em>_A_b3</em>, </td>
551 <td class="paramkey"></td>
553 <td class="paramtype">T_type4 </td>
554 <td class="paramname"><em>_A_b4</em>, </td>
557 <td class="paramkey"></td>
559 <td class="paramtype">T_type5 </td>
560 <td class="paramname"><em>_A_b5</em>, </td>
563 <td class="paramkey"></td>
565 <td class="paramtype">T_type6 </td>
566 <td class="paramname"><em>_A_b6</em> </td>
575 <td class="mlabels-right">
576 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
579 </div><div class="memdoc">
581 <p>Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 6 argument(s) of the passed functor. </p>
582 <p>This function overload fixes the last 6 argument(s) of <em>_A_func</em>.</p>
583 <dl class="params"><dt>Parameters</dt><dd>
584 <table class="params">
585 <tr><td class="paramname">_A_func</td><td>Functor that should be wrapped. </td></tr>
586 <tr><td class="paramname">_A_b1</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
587 <tr><td class="paramname">_A_b2</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
588 <tr><td class="paramname">_A_b3</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
589 <tr><td class="paramname">_A_b4</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
590 <tr><td class="paramname">_A_b5</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
591 <tr><td class="paramname">_A_b6</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
595 <dl class="section return"><dt>Returns</dt><dd>Adaptor that executes _A_func with the bound argument on invokation. </dd></dl>
599 <a id="ga962b581ef0c17562bb3317783d3ffe7d"></a>
600 <h2 class="memtitle"><span class="permalink"><a href="#ga962b581ef0c17562bb3317783d3ffe7d">◆ </a></span>bind() <span class="overload">[8/8]</span></h2>
602 <div class="memitem">
603 <div class="memproto">
604 <div class="memtemplate">
605 template <class T_type1 , class T_type2 , class T_type3 , class T_type4 , class T_type5 , class T_type6 , class T_type7 , class T_functor > </div>
606 <table class="mlabels">
608 <td class="mlabels-left">
609 <table class="memname">
611 <td class="memname"><a class="el" href="structsigc_1_1bind__functor.html">bind_functor</a><-1, T_functor, T_type1, T_type2, T_type3, T_type4, T_type5, T_type6, T_type7> sigc::bind </td>
613 <td class="paramtype">const T_functor & </td>
614 <td class="paramname"><em>_A_func</em>, </td>
617 <td class="paramkey"></td>
619 <td class="paramtype">T_type1 </td>
620 <td class="paramname"><em>_A_b1</em>, </td>
623 <td class="paramkey"></td>
625 <td class="paramtype">T_type2 </td>
626 <td class="paramname"><em>_A_b2</em>, </td>
629 <td class="paramkey"></td>
631 <td class="paramtype">T_type3 </td>
632 <td class="paramname"><em>_A_b3</em>, </td>
635 <td class="paramkey"></td>
637 <td class="paramtype">T_type4 </td>
638 <td class="paramname"><em>_A_b4</em>, </td>
641 <td class="paramkey"></td>
643 <td class="paramtype">T_type5 </td>
644 <td class="paramname"><em>_A_b5</em>, </td>
647 <td class="paramkey"></td>
649 <td class="paramtype">T_type6 </td>
650 <td class="paramname"><em>_A_b6</em>, </td>
653 <td class="paramkey"></td>
655 <td class="paramtype">T_type7 </td>
656 <td class="paramname"><em>_A_b7</em> </td>
665 <td class="mlabels-right">
666 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
669 </div><div class="memdoc">
671 <p>Creates an adaptor of type <a class="el" href="structsigc_1_1bind__functor.html" title="Adaptor that binds an argument to the wrapped functor.">sigc::bind_functor</a> which fixes the last 7 argument(s) of the passed functor. </p>
672 <p>This function overload fixes the last 7 argument(s) of <em>_A_func</em>.</p>
673 <dl class="params"><dt>Parameters</dt><dd>
674 <table class="params">
675 <tr><td class="paramname">_A_func</td><td>Functor that should be wrapped. </td></tr>
676 <tr><td class="paramname">_A_b1</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
677 <tr><td class="paramname">_A_b2</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
678 <tr><td class="paramname">_A_b3</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
679 <tr><td class="paramname">_A_b4</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
680 <tr><td class="paramname">_A_b5</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
681 <tr><td class="paramname">_A_b6</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
682 <tr><td class="paramname">_A_b7</td><td>Argument to bind to <em>_A_func</em>. </td></tr>
686 <dl class="section return"><dt>Returns</dt><dd>Adaptor that executes _A_func with the bound argument on invokation. </dd></dl>
690 <a id="gaca1ae2466988d67d00a5f2cd16c8d90a"></a>
691 <h2 class="memtitle"><span class="permalink"><a href="#gaca1ae2466988d67d00a5f2cd16c8d90a">◆ </a></span>bind_return()</h2>
693 <div class="memitem">
694 <div class="memproto">
695 <div class="memtemplate">
696 template <class T_return , class T_functor > </div>
697 <table class="mlabels">
699 <td class="mlabels-left">
700 <table class="memname">
702 <td class="memname"><a class="el" href="structsigc_1_1bind__return__functor.html">bind_return_functor</a><T_return, T_functor> sigc::bind_return </td>
704 <td class="paramtype">const T_functor & </td>
705 <td class="paramname"><em>_A_functor</em>, </td>
708 <td class="paramkey"></td>
710 <td class="paramtype">T_return </td>
711 <td class="paramname"><em>_A_ret_value</em> </td>
720 <td class="mlabels-right">
721 <span class="mlabels"><span class="mlabel">inline</span></span> </td>
724 </div><div class="memdoc">
726 <p>Creates an adaptor of type <a class="el" href="structsigc_1_1bind__return__functor.html" title="Adaptor that fixes the return value of the wrapped functor.">sigc::bind_return_functor</a> which fixes the return value of the passed functor to the passed argument. </p>
727 <dl class="params"><dt>Parameters</dt><dd>
728 <table class="params">
729 <tr><td class="paramname">_A_functor</td><td>Functor that should be wrapped. </td></tr>
730 <tr><td class="paramname">_A_ret_value</td><td>Argument to fix the return value of <em>_A_functor</em> to. </td></tr>
734 <dl class="section return"><dt>Returns</dt><dd>Adaptor that executes <em>_A_functor</em> on invokation and returns <em>_A_ret_value</em>. </dd></dl>
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