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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_66e9674e8206a335795995fa32a03c91.html">entt</a></li><li class="navelem"><a class="el" href="dir_a53318306f6ac0f7fe657839abd543ab.html">signal</a></li> </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef ENTT_SIGNAL_SIGH_HPP</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_SIGNAL_SIGH_HPP</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span>{</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">template</span><<span class="keyword">typename</span>, <span class="keyword">typename</span>></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">struct </span>Invoker;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">template</span><<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args, <span class="keyword">typename</span> Collector></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">struct </span>Invoker<Ret(Args...), Collector> {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">using</span> proto_type = Ret(*)(<span class="keywordtype">void</span> *, Args...);</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">using</span> call_type = std::pair<void *, proto_type>;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">virtual</span> ~Invoker() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">template</span><<span class="keyword">typename</span> SFINAE = Ret></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">typename</span> std::enable_if_t<std::is_void<SFINAE>::value, <span class="keywordtype">bool</span>></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  invoke(Collector &, proto_type proto, <span class="keywordtype">void</span> *instance, Args... args) {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  proto(instance, args...);</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">template</span><<span class="keyword">typename</span> SFINAE = Ret></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">typename</span> std::enable_if_t<!std::is_void<SFINAE>::value, <span class="keywordtype">bool</span>></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  invoke(Collector &collector, proto_type proto, <span class="keywordtype">void</span> *instance, Args... args) {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> collector(proto(instance, args...));</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> };</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span><<span class="keyword">typename</span> Ret></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">struct </span>NullCollector final {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">using</span> result_type = Ret;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">bool</span> operator()(result_type) <span class="keyword">const</span> noexcept { <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> };</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">template</span><></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">struct </span>NullCollector<void> final {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">using</span> result_type = void;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">bool</span> operator()() const noexcept { <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> };</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">template</span><<span class="keyword">typename</span>></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">struct </span>DefaultCollector;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">template</span><<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">struct </span>DefaultCollector<Ret(Args...)> final {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">using</span> collector_type = NullCollector<Ret>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> };</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">template</span><<span class="keyword">typename</span> Function></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">using</span> DefaultCollectorType = <span class="keyword">typename</span> DefaultCollector<Function>::collector_type;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">template</span><<span class="keyword">typename</span> Function, <span class="keyword">typename</span> Collector = DefaultCollectorType<Function>></div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classentt_1_1SigH.html"> 83</a></span> <span class="keyword">class </span><a class="code" href="classentt_1_1SigH.html">SigH</a>;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">template</span><<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args, <span class="keyword">typename</span> Collector></div><div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html"> 110</a></span> <span class="keyword">class </span><a class="code" href="classentt_1_1SigH.html">SigH</a><Ret(Args...), Collector> final: <span class="keyword">private</span> Invoker<Ret(Args...), Collector> {</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">using</span> <span class="keyword">typename</span> Invoker<Ret(Args...), Collector>::call_type;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">template</span><Ret(*Function)(Args...)></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">static</span> Ret proto(<span class="keywordtype">void</span> *, Args... args) {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> (Function)(args...);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Class, Ret(Class::*Member)(Args... args)></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">static</span> Ret proto(<span class="keywordtype">void</span> *instance, Args... args) {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> (static_cast<Class *>(instance)->*Member)(args...);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a7635c4c773fee73faf6eddda2d4abb87"> 125</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a7635c4c773fee73faf6eddda2d4abb87">size_type</a> = <span class="keyword">typename</span> std::vector<call_type>::size_type;</div><div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ad0e4e34e41daec83437b1c607855079a"> 127</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ad0e4e34e41daec83437b1c607855079a">collector_type</a> = Collector;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Class></div><div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aad306ac41adf5562740f5528bed80014"> 134</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aad306ac41adf5562740f5528bed80014">instance_type</a> = Class *;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ae8ca8c4bddbebc4e3c2c75138b37cea8"> 140</a></span>  <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a7635c4c773fee73faf6eddda2d4abb87">size_type</a> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ae8ca8c4bddbebc4e3c2c75138b37cea8">size</a>() const noexcept {</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> calls.size();</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ab04be7230a097d810ff1476d87c7ec30"> 148</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ab04be7230a097d810ff1476d87c7ec30">empty</a>() const noexcept {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> calls.empty();</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#addb26bed0ae1287d7946d2a194118826"> 155</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#addb26bed0ae1287d7946d2a194118826">clear</a>() noexcept {</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  calls.clear();</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">template</span><Ret(*Function)(Args...)></div><div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aa08b7a84d99e44a10b4843e4d866c9b1"> 168</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aa08b7a84d99e44a10b4843e4d866c9b1">connect</a>() {</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  disconnect<Function>();</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  calls.emplace_back(<span class="keyword">nullptr</span>, &proto<Function>);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> Class, Ret(Class::*Member)(Args...)></div><div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a165bc11c6cc5ac6f2efad49e9fd361b3"> 186</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a165bc11c6cc5ac6f2efad49e9fd361b3">connect</a>(<a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aad306ac41adf5562740f5528bed80014">instance_type<Class></a> instance) {</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  disconnect<Class, Member>(instance);</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  calls.emplace_back(instance, &proto<Class, Member>);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">template</span><Ret(*Function)(Args...)></div><div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aebdab9f1fb97228769e0383215be6097"> 196</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aebdab9f1fb97228769e0383215be6097">disconnect</a>() {</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  call_type target{<span class="keyword">nullptr</span>, &proto<Function>};</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  calls.erase(std::remove(calls.begin(), calls.end(), std::move(target)), calls.end());</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Class, Ret(Class::*Member)(Args...)></div><div class="line"><a name="l00208"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#afb9533e2cdeeae84cb3cb545a8924899"> 208</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#afb9533e2cdeeae84cb3cb545a8924899">disconnect</a>(<a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aad306ac41adf5562740f5528bed80014">instance_type<Class></a> instance) {</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  call_type target{instance, &proto<Class, Member>};</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  calls.erase(std::remove(calls.begin(), calls.end(), std::move(target)), calls.end());</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Class></div><div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a91047d4855ac1daf429fa73728807f4a"> 219</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a91047d4855ac1daf429fa73728807f4a">disconnect</a>(<a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aad306ac41adf5562740f5528bed80014">instance_type<Class></a> instance) {</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">auto</span> func = [instance](<span class="keyword">const</span> call_type &call) { <span class="keywordflow">return</span> call.first == instance; };</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  calls.erase(std::remove_if(calls.begin(), calls.end(), std::move(func)), calls.end());</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00231"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a09e4795c05a1ebac1c25a60e79d67507"> 231</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a09e4795c05a1ebac1c25a60e79d67507">publish</a>(Args... args) {</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> pos = calls.size(); pos > <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a7635c4c773fee73faf6eddda2d4abb87">size_type</a>{0}; --pos) {</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">auto</span> &call = calls[pos-1];</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  call.second(call.first, args...);</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ab6258af321b48bc2e70e09c68155b9bc"> 243</a></span>  <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ad0e4e34e41daec83437b1c607855079a">collector_type</a> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ab6258af321b48bc2e70e09c68155b9bc">collect</a>(Args... args) {</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ad0e4e34e41daec83437b1c607855079a">collector_type</a> collector;</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> pos = calls.size(); pos > <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a7635c4c773fee73faf6eddda2d4abb87">size_type</a>{0}; --pos) {</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">auto</span> &call = calls[pos-1];</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span>(!this->invoke(collector, call.second, call.first, args...)) {</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> collector;</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00262"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a77dd7bf9e63e5457c080416f31bb232b"> 262</a></span>  <span class="keyword">friend</span> <span class="keywordtype">void</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a77dd7bf9e63e5457c080416f31bb232b">swap</a>(<a class="code" href="classentt_1_1SigH.html">SigH</a> &lhs, <a class="code" href="classentt_1_1SigH.html">SigH</a> &rhs) {</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">using</span> std::swap;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  swap(lhs.calls, rhs.calls);</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a2f86c641dcc58cd23f3763ef4a708b67"> 276</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a2f86c641dcc58cd23f3763ef4a708b67">operator==</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1SigH.html">SigH</a> &other) <span class="keyword">const</span> noexcept {</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">return</span> std::equal(calls.cbegin(), calls.cend(), other.calls.cbegin(), other.calls.cend());</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  std::vector<call_type> calls;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> };</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="keyword">template</span><<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args></div><div class="line"><a name="l00298"></a><span class="lineno"><a class="line" href="namespaceentt.html#a2da4a1967225dc9ab0bc7b177cc78f9f"> 298</a></span> <span class="keywordtype">bool</span> <a class="code" href="namespaceentt.html#a18e1a7cdfcb0c0ba075e0beeda95285f">operator!=</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1SigH.html">SigH</a><Ret(Args...)> &lhs, <span class="keyword">const</span> <a class="code" href="classentt_1_1SigH.html">SigH</a><Ret(Args...)> &rhs) noexcept {</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span> !(lhs == rhs);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> }</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> }</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="preprocessor">#endif // ENTT_SIGNAL_SIGH_HPP</span></div><div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_aad306ac41adf5562740f5528bed80014"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aad306ac41adf5562740f5528bed80014">entt::SigH< Ret(Args...), Collector >::instance_type</a></div><div class="ttdeci">Class * instance_type</div><div class="ttdoc">Instance type when it comes to connecting member functions. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00134">sigh.hpp:134</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_ad0e4e34e41daec83437b1c607855079a"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ad0e4e34e41daec83437b1c607855079a">entt::SigH< Ret(Args...), Collector >::collector_type</a></div><div class="ttdeci">Collector collector_type</div><div class="ttdoc">Collector type. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00127">sigh.hpp:127</a></div></div>
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<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="family_8hpp_source.html#l00009">family.hpp:9</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_a2f86c641dcc58cd23f3763ef4a708b67"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a2f86c641dcc58cd23f3763ef4a708b67">entt::SigH< Ret(Args...), Collector >::operator==</a></div><div class="ttdeci">bool operator==(const SigH &other) const noexcept</div><div class="ttdoc">Checks if the contents of the two signals are identical. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00276">sigh.hpp:276</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_ae8ca8c4bddbebc4e3c2c75138b37cea8"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ae8ca8c4bddbebc4e3c2c75138b37cea8">entt::SigH< Ret(Args...), Collector >::size</a></div><div class="ttdeci">size_type size() const noexcept</div><div class="ttdoc">Number of listeners connected to the signal. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00140">sigh.hpp:140</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_a77dd7bf9e63e5457c080416f31bb232b"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a77dd7bf9e63e5457c080416f31bb232b">entt::SigH< Ret(Args...), Collector >::swap</a></div><div class="ttdeci">friend void swap(SigH &lhs, SigH &rhs)</div><div class="ttdoc">Swaps listeners between the two signals. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00262">sigh.hpp:262</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_afb9533e2cdeeae84cb3cb545a8924899"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#afb9533e2cdeeae84cb3cb545a8924899">entt::SigH< Ret(Args...), Collector >::disconnect</a></div><div class="ttdeci">void disconnect(instance_type< Class > instance)</div><div class="ttdoc">Disconnects the given member function from a signal. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00208">sigh.hpp:208</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_ab6258af321b48bc2e70e09c68155b9bc"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ab6258af321b48bc2e70e09c68155b9bc">entt::SigH< Ret(Args...), Collector >::collect</a></div><div class="ttdeci">collector_type collect(Args... args)</div><div class="ttdoc">Collects return values from the listeners. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00243">sigh.hpp:243</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_a7635c4c773fee73faf6eddda2d4abb87"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a7635c4c773fee73faf6eddda2d4abb87">entt::SigH< Ret(Args...), Collector >::size_type</a></div><div class="ttdeci">typename std::vector< call_type >::size_type size_type</div><div class="ttdoc">Unsigned integer type. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00125">sigh.hpp:125</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_a165bc11c6cc5ac6f2efad49e9fd361b3"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a165bc11c6cc5ac6f2efad49e9fd361b3">entt::SigH< Ret(Args...), Collector >::connect</a></div><div class="ttdeci">void connect(instance_type< Class > instance)</div><div class="ttdoc">Connects a member function for a given instance to a signal. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00186">sigh.hpp:186</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_a91047d4855ac1daf429fa73728807f4a"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a91047d4855ac1daf429fa73728807f4a">entt::SigH< Ret(Args...), Collector >::disconnect</a></div><div class="ttdeci">void disconnect(instance_type< Class > instance)</div><div class="ttdoc">Removes all existing connections for the given instance. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00219">sigh.hpp:219</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_addb26bed0ae1287d7946d2a194118826"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#addb26bed0ae1287d7946d2a194118826">entt::SigH< Ret(Args...), Collector >::clear</a></div><div class="ttdeci">void clear() noexcept</div><div class="ttdoc">Disconnects all the listeners from a signal. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00155">sigh.hpp:155</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_aebdab9f1fb97228769e0383215be6097"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aebdab9f1fb97228769e0383215be6097">entt::SigH< Ret(Args...), Collector >::disconnect</a></div><div class="ttdeci">void disconnect()</div><div class="ttdoc">Disconnects a free function from a signal. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00196">sigh.hpp:196</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_html"><div class="ttname"><a href="classentt_1_1SigH.html">entt::SigH</a></div><div class="ttdoc">Unmanaged signal handler declaration. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00083">sigh.hpp:83</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_a09e4795c05a1ebac1c25a60e79d67507"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#a09e4795c05a1ebac1c25a60e79d67507">entt::SigH< Ret(Args...), Collector >::publish</a></div><div class="ttdeci">void publish(Args... args)</div><div class="ttdoc">Triggers a signal. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00231">sigh.hpp:231</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_aa08b7a84d99e44a10b4843e4d866c9b1"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#aa08b7a84d99e44a10b4843e4d866c9b1">entt::SigH< Ret(Args...), Collector >::connect</a></div><div class="ttdeci">void connect()</div><div class="ttdoc">Connects a free function to a signal. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00168">sigh.hpp:168</a></div></div>
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<div class="ttc" id="namespaceentt_html_a18e1a7cdfcb0c0ba075e0beeda95285f"><div class="ttname"><a href="namespaceentt.html#a18e1a7cdfcb0c0ba075e0beeda95285f">entt::operator!=</a></div><div class="ttdeci">constexpr bool operator!=(const HashedString &lhs, const HashedString &rhs) noexcept</div><div class="ttdoc">Compares two hashed strings. </div><div class="ttdef"><b>Definition:</b> <a href="hashed__string_8hpp_source.html#l00101">hashed_string.hpp:101</a></div></div>
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<div class="ttc" id="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4_html_ab04be7230a097d810ff1476d87c7ec30"><div class="ttname"><a href="classentt_1_1SigH_3_01Ret_07Args_8_8_8_08_00_01Collector_01_4.html#ab04be7230a097d810ff1476d87c7ec30">entt::SigH< Ret(Args...), Collector >::empty</a></div><div class="ttdeci">bool empty() const noexcept</div><div class="ttdoc">Returns false if at least a listener is connected to the signal. </div><div class="ttdef"><b>Definition:</b> <a href="sigh_8hpp_source.html#l00148">sigh.hpp:148</a></div></div>
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