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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#ifndef ENTT_SIGNAL_DELEGATE_HPP</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define ENTT_SIGNAL_DELEGATE_HPP</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;</div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &lt;cstring&gt;</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &quot;../config/config.h&quot;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">namespace </span>internal {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args&gt;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">auto</span> to_function_pointer(Ret(*)(Args...)) -&gt; Ret(*)(Args...);</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args, <span class="keyword">typename</span> Type&gt;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">auto</span> to_function_pointer(Ret(*)(Type *, Args...), Type *) -&gt; Ret(*)(Args...);</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Class, <span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args&gt;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keyword">auto</span> to_function_pointer(Ret(Class:: *)(Args...), Class *) -&gt; Ret(*)(Args...);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Class, <span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args&gt;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="keyword">auto</span> to_function_pointer(Ret(Class:: *)(Args...) <span class="keyword">const</span>, Class *) -&gt; Ret(*)(Args...);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;}</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="keyword">template</span>&lt;auto&gt;</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structentt_1_1connect__arg__t.html"> 51</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structentt_1_1connect__arg__t.html">connect_arg_t</a> {};</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="keyword">template</span>&lt;auto Func&gt;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="namespaceentt.html#af1e73acd6f3d892955819677dc2664b7"> 56</a></span>&#160;constexpr <a class="code" href="structentt_1_1connect__arg__t.html">connect_arg_t&lt;Func&gt;</a> <a class="code" href="namespaceentt.html#af1e73acd6f3d892955819677dc2664b7">connect_arg</a>{};</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span>&gt;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classentt_1_1delegate.html"> 66</a></span>&#160;<span class="keyword">class </span><a class="code" href="classentt_1_1delegate.html">delegate</a>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args&gt;</div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html"> 83</a></span>&#160;<span class="keyword">class </span><a class="code" href="classentt_1_1delegate.html">delegate</a>&lt;Ret(Args...)&gt; {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keyword">using</span> proto_fn_type = Ret(<span class="keyword">const</span> <span class="keywordtype">void</span> *, Args...);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a235927a00f56e4b56dbfdc4e6cf5ddb4"> 88</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a235927a00f56e4b56dbfdc4e6cf5ddb4">function_type</a> = Ret(Args...);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a5c4828a5df5ed1e8fd18465ff63eb73c"> 91</a></span>&#160; <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a5c4828a5df5ed1e8fd18465ff63eb73c">delegate</a>() ENTT_NOEXCEPT</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; : fn{<span class="keyword">nullptr</span>}, data{<span class="keyword">nullptr</span>}</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; {}</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keyword">template</span>&lt;auto Function&gt;</div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ad07c76f552619d55edc17a3722958215"> 100</a></span>&#160; <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ad07c76f552619d55edc17a3722958215">delegate</a>(<a class="code" href="structentt_1_1connect__arg__t.html">connect_arg_t&lt;Function&gt;</a>) ENTT_NOEXCEPT</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; : <a class="code" href="classentt_1_1delegate.html">delegate</a>{}</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; connect&lt;Function&gt;();</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; }</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">template</span>&lt;auto Cand<span class="keywordtype">id</span>ate, <span class="keyword">typename</span> Type&gt;</div><div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a3c3391085b16cba9024b4bbb372f7326"> 114</a></span>&#160; <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a3c3391085b16cba9024b4bbb372f7326">delegate</a>(<a class="code" href="structentt_1_1connect__arg__t.html">connect_arg_t&lt;Candidate&gt;</a>, Type *value_or_instance) ENTT_NOEXCEPT</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; : <a class="code" href="classentt_1_1delegate.html">delegate</a>{}</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; connect&lt;Candidate&gt;(value_or_instance);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keyword">template</span>&lt;auto Function&gt;</div><div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a6e732abcbc4aa9b8899c92d8f21e55a6"> 125</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a6e732abcbc4aa9b8899c92d8f21e55a6">connect</a>() ENTT_NOEXCEPT {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; static_assert(std::is_invocable_r_v&lt;Ret, decltype(Function), Args...&gt;);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; data = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; fn = [](<span class="keyword">const</span> <span class="keywordtype">void</span> *, Args... args) -&gt; Ret {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="comment">// this allows void(...) to eat return values and avoid errors</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keywordflow">return</span> Ret(std::invoke(Function, args...));</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; };</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; }</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keyword">template</span>&lt;auto Cand<span class="keywordtype">id</span>ate, <span class="keyword">typename</span> Type&gt;</div><div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#afcdce5ab5ae55520cce86f3f79b38e9c"> 151</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#afcdce5ab5ae55520cce86f3f79b38e9c">connect</a>(Type *value_or_instance) ENTT_NOEXCEPT {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; static_assert(std::is_invocable_r_v&lt;Ret, decltype(Candidate), Type *, Args...&gt;);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; data = value_or_instance;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; fn = [](<span class="keyword">const</span> <span class="keywordtype">void</span> *payload, Args... args) -&gt; Ret {</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; Type *curr = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_const_v&lt;Type&gt;) {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; curr = <span class="keyword">static_cast&lt;</span>Type *<span class="keyword">&gt;</span>(payload);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; curr = <span class="keyword">static_cast&lt;</span>Type *<span class="keyword">&gt;</span>(<span class="keyword">const_cast&lt;</span><span class="keywordtype">void</span> *<span class="keyword">&gt;</span>(payload));</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="comment">// this allows void(...) to eat return values and avoid errors</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">return</span> Ret(std::invoke(Candidate, curr, args...));</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; };</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;</div><div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a0d81bb1bde6abd78914cd0a07084bcd7"> 174</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a0d81bb1bde6abd78914cd0a07084bcd7">reset</a>() ENTT_NOEXCEPT {</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; fn = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; data = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; }</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;</div><div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a3e0495b7612d458cbc59dc4b657d586f"> 183</a></span>&#160; <span class="keyword">const</span> <span class="keywordtype">void</span> * <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a3e0495b7612d458cbc59dc4b657d586f">instance</a>() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="keywordflow">return</span> data;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; }</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;</div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a0e53caedb53810bc96aa71bce199c990"> 201</a></span>&#160; Ret <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a0e53caedb53810bc96aa71bce199c990">operator()</a>(Args... args)<span class="keyword"> const </span>{</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; ENTT_ASSERT(fn);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="keywordflow">return</span> fn(data, args...);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;</div><div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a73e1029cbb6359d803a6cc06b82f80d7"> 210</a></span>&#160; <span class="keyword">explicit</span> <span class="keyword">operator</span> bool() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="comment">// no need to test also data</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="keywordflow">return</span> fn;</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; }</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;</div><div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a54ca30c9a3f7a9662363c48db4e86aae"> 224</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a54ca30c9a3f7a9662363c48db4e86aae">operator==</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1delegate.html">delegate</a>&lt;Ret(Args...)&gt; &amp;other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordflow">return</span> fn == other.fn;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; proto_fn_type *fn;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="keyword">const</span> <span class="keywordtype">void</span> *data;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;};</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args&gt;</div><div class="line"><a name="l00247"></a><span class="lineno"><a class="line" href="namespaceentt.html#a656b2ec80abf493ce1924b314d13fd18"> 247</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="namespaceentt.html#a9bb4a7e4959c087484745324d79efbd9">operator!=</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1delegate.html">delegate</a>&lt;Ret(Args...)&gt; &amp;lhs, <span class="keyword">const</span> <a class="code" href="classentt_1_1delegate.html">delegate</a>&lt;Ret(Args...)&gt; &amp;rhs) ENTT_NOEXCEPT {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; <span class="keywordflow">return</span> !(lhs == rhs);</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160;}</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;<span class="keyword">template</span>&lt;auto Function&gt;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160;<a class="code" href="namespaceentt.html#aeda304d14f286ffcb1d872a6ef526745">delegate</a>(<a class="code" href="structentt_1_1connect__arg__t.html">connect_arg_t&lt;Function&gt;</a>) ENTT_NOEXCEPT</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160;-&gt; <a class="code" href="classentt_1_1delegate.html">delegate&lt;std::remove_pointer_t&lt;decltype(internal::to_function_pointer(Function))&gt;</a>&gt;;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160;</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160;<span class="keyword">template</span>&lt;auto Cand<span class="keywordtype">id</span>ate, <span class="keyword">typename</span> Type&gt;</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160;<a class="code" href="namespaceentt.html#aeda304d14f286ffcb1d872a6ef526745">delegate</a>(<a class="code" href="structentt_1_1connect__arg__t.html">connect_arg_t&lt;Candidate&gt;</a>, Type *) ENTT_NOEXCEPT</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160;-&gt; <a class="code" href="classentt_1_1delegate.html">delegate&lt;std::remove_pointer_t&lt;decltype(internal::to_function_pointer(Candidate, std::declval&lt;Type *&gt;</a>()))&gt;&gt;;</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160;</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;}</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160;<span class="preprocessor">#endif // ENTT_SIGNAL_DELEGATE_HPP</span></div><div class="ttc" id="namespaceentt_html_af1e73acd6f3d892955819677dc2664b7"><div class="ttname"><a href="namespaceentt.html#af1e73acd6f3d892955819677dc2664b7">entt::connect_arg</a></div><div class="ttdeci">constexpr connect_arg_t&lt; Func &gt; connect_arg</div><div class="ttdoc">Constant of type connect_arg_t used to disambiguate calls. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00056">delegate.hpp:56</a></div></div>
<div class="ttc" id="structentt_1_1connect__arg__t_html"><div class="ttname"><a href="structentt_1_1connect__arg__t.html">entt::connect_arg_t</a></div><div class="ttdoc">Used to wrap a function or a member of a specified type. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00051">delegate.hpp:51</a></div></div>
<div class="ttc" id="namespaceentt_html"><div class="ttname"><a href="namespaceentt.html">entt</a></div><div class="ttdoc">EnTT default namespace. </div><div class="ttdef"><b>Definition:</b> <a href="algorithm_8hpp_source.html#l00010">algorithm.hpp:10</a></div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a6e732abcbc4aa9b8899c92d8f21e55a6"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a6e732abcbc4aa9b8899c92d8f21e55a6">entt::delegate&lt; Ret(Args...)&gt;::connect</a></div><div class="ttdeci">void connect() ENTT_NOEXCEPT</div><div class="ttdoc">Connects a free function to a delegate. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00125">delegate.hpp:125</a></div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_afcdce5ab5ae55520cce86f3f79b38e9c"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#afcdce5ab5ae55520cce86f3f79b38e9c">entt::delegate&lt; Ret(Args...)&gt;::connect</a></div><div class="ttdeci">void connect(Type *value_or_instance) ENTT_NOEXCEPT</div><div class="ttdoc">Connects a member function for a given instance or a free function with payload to a delegate...</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00151">delegate.hpp:151</a></div></div>
<div class="ttc" id="classentt_1_1delegate_html"><div class="ttname"><a href="classentt_1_1delegate.html">entt::delegate</a></div><div class="ttdoc">Basic delegate implementation. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00066">delegate.hpp:66</a></div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a3e0495b7612d458cbc59dc4b657d586f"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a3e0495b7612d458cbc59dc4b657d586f">entt::delegate&lt; Ret(Args...)&gt;::instance</a></div><div class="ttdeci">const void * instance() const ENTT_NOEXCEPT</div><div class="ttdoc">Returns the instance linked to a delegate, if any. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00183">delegate.hpp:183</a></div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a0e53caedb53810bc96aa71bce199c990"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a0e53caedb53810bc96aa71bce199c990">entt::delegate&lt; Ret(Args...)&gt;::operator()</a></div><div class="ttdeci">Ret operator()(Args... args) const</div><div class="ttdoc">Triggers a delegate. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00201">delegate.hpp:201</a></div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a235927a00f56e4b56dbfdc4e6cf5ddb4"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a235927a00f56e4b56dbfdc4e6cf5ddb4">entt::delegate&lt; Ret(Args...)&gt;::function_type</a></div><div class="ttdeci">Ret(Args...) function_type</div><div class="ttdoc">Function type of the delegate. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00088">delegate.hpp:88</a></div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a0d81bb1bde6abd78914cd0a07084bcd7"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a0d81bb1bde6abd78914cd0a07084bcd7">entt::delegate&lt; Ret(Args...)&gt;::reset</a></div><div class="ttdeci">void reset() ENTT_NOEXCEPT</div><div class="ttdoc">Resets a delegate. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00174">delegate.hpp:174</a></div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_ad07c76f552619d55edc17a3722958215"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ad07c76f552619d55edc17a3722958215">entt::delegate&lt; Ret(Args...)&gt;::delegate</a></div><div class="ttdeci">delegate(connect_arg_t&lt; Function &gt;) ENTT_NOEXCEPT</div><div class="ttdoc">Constructs a delegate and connects a free function to it. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00100">delegate.hpp:100</a></div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a3c3391085b16cba9024b4bbb372f7326"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a3c3391085b16cba9024b4bbb372f7326">entt::delegate&lt; Ret(Args...)&gt;::delegate</a></div><div class="ttdeci">delegate(connect_arg_t&lt; Candidate &gt;, Type *value_or_instance) ENTT_NOEXCEPT</div><div class="ttdoc">Constructs a delegate and connects a member for a given instance or a free function with payload...</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00114">delegate.hpp:114</a></div></div>
<div class="ttc" id="namespaceentt_html_aeda304d14f286ffcb1d872a6ef526745"><div class="ttname"><a href="namespaceentt.html#aeda304d14f286ffcb1d872a6ef526745">entt::delegate</a></div><div class="ttdeci">delegate(connect_arg_t&lt; Function &gt;) ENTT_NOEXCEPT -&gt; delegate&lt; std::remove_pointer_t&lt; decltype(internal::to_function_pointer(Function))&gt;&gt;</div><div class="ttdoc">Deduction guide. </div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a5c4828a5df5ed1e8fd18465ff63eb73c"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a5c4828a5df5ed1e8fd18465ff63eb73c">entt::delegate&lt; Ret(Args...)&gt;::delegate</a></div><div class="ttdeci">delegate() ENTT_NOEXCEPT</div><div class="ttdoc">Default constructor. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00091">delegate.hpp:91</a></div></div>
<div class="ttc" id="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a54ca30c9a3f7a9662363c48db4e86aae"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a54ca30c9a3f7a9662363c48db4e86aae">entt::delegate&lt; Ret(Args...)&gt;::operator==</a></div><div class="ttdeci">bool operator==(const delegate&lt; Ret(Args...)&gt; &amp;other) const ENTT_NOEXCEPT</div><div class="ttdoc">Checks if the connected functions differ. </div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00224">delegate.hpp:224</a></div></div>
<div class="ttc" id="namespaceentt_html_a9bb4a7e4959c087484745324d79efbd9"><div class="ttname"><a href="namespaceentt.html#a9bb4a7e4959c087484745324d79efbd9">entt::operator!=</a></div><div class="ttdeci">constexpr bool operator!=(const hashed_string &amp;lhs, const hashed_string &amp;rhs) ENTT_NOEXCEPT</div><div class="ttdoc">Compares two hashed strings. </div><div class="ttdef"><b>Definition:</b> <a href="hashed__string_8hpp_source.html#l00195">hashed_string.hpp:195</a></div></div>
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