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43 <li class="navelem"><a class="el" href="namespacesigc.html">sigc</a></li><li class="navelem"><a class="el" href="structsigc_1_1functor__trait.html">functor_trait</a></li> </ul>
48 <a href="#pub-types">Public Types</a> |
49 <a href="structsigc_1_1functor__trait-members.html">List of all members</a> </div>
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51 <div class="title">sigc::functor_trait< T_functor, I_derives_functor_base, I_can_use_decltype > Struct Template Reference<div class="ingroups"><a class="el" href="group__sigcfunctors.html">Functors</a></div></div> </div>
53 <div class="contents">
55 <p>Trait that specifies the return type of any type.
56 <a href="structsigc_1_1functor__trait.html#details">More...</a></p>
58 <p><code>#include <sigc++/functors/functor_trait.h></code></p>
59 <table class="memberdecls">
60 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
61 Public Types</h2></td></tr>
62 <tr class="memitem:ac779b3d3d04e78d57b6b2ae4545b1667"><td class="memItemLeft" align="right" valign="top">typedef T_functor </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1functor__trait.html#ac779b3d3d04e78d57b6b2ae4545b1667">functor_type</a></td></tr>
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64 <tr class="memitem:af1324bf0d3cec3d1f2e39e932b228d6d"><td class="memItemLeft" align="right" valign="top">typedef void </td><td class="memItemRight" valign="bottom"><a class="el" href="structsigc_1_1functor__trait.html#af1324bf0d3cec3d1f2e39e932b228d6d">result_type</a></td></tr>
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67 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
68 <div class="textblock"><h3>template<class T_functor, bool I_derives_functor_base = std::is_base_of<functor_base,T_functor>::value, bool I_can_use_decltype = can_deduce_result_type_with_decltype<T_functor>::value><br />
69 struct sigc::functor_trait< T_functor, I_derives_functor_base, I_can_use_decltype ></h3>
71 <p>Trait that specifies the return type of any type. </p>
72 <p>Template specializations for functors derived from <a class="el" href="structsigc_1_1functor__base.html" title="A hint to the compiler.">sigc::functor_base</a>, for other functors whose result type can be deduced with decltype(), for function pointers and for class methods are provided.</p>
73 <dl class="tparams"><dt>Template Parameters</dt><dd>
74 <table class="tparams">
75 <tr><td class="paramname">T_functor</td><td>Functor type. </td></tr>
76 <tr><td class="paramname">I_derives_functor_base</td><td>Whether <code>T_functor</code> inherits from <a class="el" href="structsigc_1_1functor__base.html" title="A hint to the compiler.">sigc::functor_base</a>. </td></tr>
77 <tr><td class="paramname">I_can_use_decltype</td><td>Whether the result type of <code>T_functor</code> can be deduced with decltype(). </td></tr>
81 </div><h2 class="groupheader">Member Typedef Documentation</h2>
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83 <h2 class="memtitle"><span class="permalink"><a href="#ac779b3d3d04e78d57b6b2ae4545b1667">◆ </a></span>functor_type</h2>
86 <div class="memproto">
87 <div class="memtemplate">
88 template <class T_functor , bool I_derives_functor_base = std::is_base_of<functor_base,T_functor>::value, bool I_can_use_decltype = can_deduce_result_type_with_decltype<T_functor>::value> </div>
89 <table class="memname">
91 <td class="memname">typedef T_functor <a class="el" href="structsigc_1_1functor__trait.html">sigc::functor_trait</a>< T_functor, I_derives_functor_base, I_can_use_decltype >::<a class="el" href="structsigc_1_1functor__trait.html#ac779b3d3d04e78d57b6b2ae4545b1667">functor_type</a></td>
94 </div><div class="memdoc">
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99 <h2 class="memtitle"><span class="permalink"><a href="#af1324bf0d3cec3d1f2e39e932b228d6d">◆ </a></span>result_type</h2>
101 <div class="memitem">
102 <div class="memproto">
103 <div class="memtemplate">
104 template <class T_functor , bool I_derives_functor_base = std::is_base_of<functor_base,T_functor>::value, bool I_can_use_decltype = can_deduce_result_type_with_decltype<T_functor>::value> </div>
105 <table class="memname">
107 <td class="memname">typedef void <a class="el" href="structsigc_1_1functor__trait.html">sigc::functor_trait</a>< T_functor, I_derives_functor_base, I_can_use_decltype >::<a class="el" href="structsigc_1_1functor__trait.html#af1324bf0d3cec3d1f2e39e932b228d6d">result_type</a></td>
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