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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="headertitle"><div class="title">delegate.hpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#ifndef ENTT_SIGNAL_DELEGATE_HPP</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#define ENTT_SIGNAL_DELEGATE_HPP</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include <cstddef></span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include <functional></span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include <tuple></span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include <type_traits></span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include "../config/config.h"</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include "../core/type_traits.hpp"</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include "fwd.hpp"</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceentt.html">entt</a> {</div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="keyword">namespace </span>internal {</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="keyword">template</span><<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">constexpr</span> <span class="keyword">auto</span> function_pointer(Ret (*)(Args...)) -> Ret (*)(Args...);</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keyword">template</span><<span class="keyword">typename</span> Ret, <span class="keyword">typename</span> Type, <span class="keyword">typename</span>... Args, <span class="keyword">typename</span> Other></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="keyword">constexpr</span> <span class="keyword">auto</span> function_pointer(Ret (*)(Type, Args...), Other &&) -> Ret (*)(Args...);</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">template</span><<span class="keyword">typename</span> Class, <span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args, <span class="keyword">typename</span>... Other></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="keyword">constexpr</span> <span class="keyword">auto</span> function_pointer(Ret (Class::*)(Args...), Other &&...) -> Ret (*)(Args...);</div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="keyword">template</span><<span class="keyword">typename</span> Class, <span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args, <span class="keyword">typename</span>... Other></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">constexpr</span> <span class="keyword">auto</span> function_pointer(Ret (Class::*)(Args...) <span class="keyword">const</span>, Other &&...) -> Ret (*)(Args...);</div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">template</span><<span class="keyword">typename</span> Class, <span class="keyword">typename</span> Type, <span class="keyword">typename</span>... Other></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">constexpr</span> <span class="keyword">auto</span> function_pointer(Type Class::*, Other &&...) -> Type (*)();</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">template</span><<span class="keyword">typename</span>... Type></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="keyword">using </span>function_pointer_t = <span class="keyword">decltype</span>(function_pointer(std::declval<Type>()...));</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="keyword">template</span><<span class="keyword">typename</span>... Class, <span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>[[nodiscard]] <span class="keyword">constexpr</span> <span class="keyword">auto</span> index_sequence_for(Ret (*)(Args...)) {</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> std::index_sequence_for<Class..., Args...>{};</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>}</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>} <span class="comment">// namespace internal</span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="keyword">template</span><<span class="keyword">typename</span>></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="classentt_1_1delegate.html"> 59</a></span><span class="keyword">class </span><a class="code hl_class" href="classentt_1_1delegate.html">delegate</a>;</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="keyword">template</span><<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html"> 74</a></span><span class="keyword">class </span><a class="code hl_class" href="classentt_1_1delegate.html">delegate</a><Ret(Args...)> {</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">template</span><<span class="keyword">auto</span> Candidate, std::size_t... Index></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> [[nodiscard]] <span class="keyword">auto</span> wrap(std::index_sequence<Index...>) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> [](<span class="keyword">const</span> <span class="keywordtype">void</span> *, Args... args) -> Ret {</div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> [[maybe_unused]] <span class="keyword">const</span> <span class="keyword">auto</span> arguments = std::forward_as_tuple(std::forward<Args>(args)...);</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span>(std::is_invocable_r_v<Ret, <span class="keyword">decltype</span>(Candidate), <a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><Index, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>...>) {</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Ret<span class="keyword">></span>(std::invoke(Candidate, std::forward<<a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><Index, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>>(std::get<Index>(arguments))...));</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">constexpr</span> <span class="keyword">auto</span> offset = <span class="keyword">sizeof</span>...(Args) - <span class="keyword">sizeof</span>...(Index);</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Ret<span class="keyword">></span>(std::invoke(Candidate, std::forward<<a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><Index + offset, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>>(std::get<Index + offset>(arguments))...));</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> };</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> }</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">template</span><<span class="keyword">auto</span> Candidate, <span class="keyword">typename</span> Type, std::size_t... Index></div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> [[nodiscard]] <span class="keyword">auto</span> wrap(Type &, std::index_sequence<Index...>) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">return</span> [](<span class="keyword">const</span> <span class="keywordtype">void</span> *payload, Args... args) -> Ret {</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> [[maybe_unused]] <span class="keyword">const</span> <span class="keyword">auto</span> arguments = std::forward_as_tuple(std::forward<Args>(args)...);</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> Type *curr = <span class="keyword">static_cast<</span>Type *<span class="keyword">></span>(<span class="keyword">const_cast<</span><a class="code hl_typedef" href="namespaceentt.html#a7b051461867d3c5c97f77f10b662c26b">constness_as_t<void, Type></a> *<span class="keyword">></span>(payload));</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span>(std::is_invocable_r_v<Ret, <span class="keyword">decltype</span>(Candidate), Type &, <a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><Index, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>...>) {</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Ret<span class="keyword">></span>(std::invoke(Candidate, *curr, std::forward<<a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><Index, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>>(std::get<Index>(arguments))...));</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">constexpr</span> <span class="keyword">auto</span> offset = <span class="keyword">sizeof</span>...(Args) - <span class="keyword">sizeof</span>...(Index);</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Ret<span class="keyword">></span>(std::invoke(Candidate, *curr, std::forward<<a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><Index + offset, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>>(std::get<Index + offset>(arguments))...));</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> }</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> };</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">template</span><<span class="keyword">auto</span> Candidate, <span class="keyword">typename</span> Type, std::size_t... Index></div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> [[nodiscard]] <span class="keyword">auto</span> wrap(Type *, std::index_sequence<Index...>) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> [](<span class="keyword">const</span> <span class="keywordtype">void</span> *payload, Args... args) -> Ret {</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> [[maybe_unused]] <span class="keyword">const</span> <span class="keyword">auto</span> arguments = std::forward_as_tuple(std::forward<Args>(args)...);</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> Type *curr = <span class="keyword">static_cast<</span>Type *<span class="keyword">></span>(<span class="keyword">const_cast<</span><a class="code hl_typedef" href="namespaceentt.html#a7b051461867d3c5c97f77f10b662c26b">constness_as_t<void, Type></a> *<span class="keyword">></span>(payload));</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> </div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span>(std::is_invocable_r_v<Ret, <span class="keyword">decltype</span>(Candidate), Type *, <a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><Index, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>...>) {</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Ret<span class="keyword">></span>(std::invoke(Candidate, curr, std::forward<<a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><Index, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>>(std::get<Index>(arguments))...));</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">constexpr</span> <span class="keyword">auto</span> offset = <span class="keyword">sizeof</span>...(Args) - <span class="keyword">sizeof</span>...(Index);</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Ret<span class="keyword">></span>(std::invoke(Candidate, curr, std::forward<<a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><Index + offset, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>>(std::get<Index + offset>(arguments))...));</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> }</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> };</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> }</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span><span class="keyword">public</span>:</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a1a5ceebde7cebde69a1b2022f539a656"> 121</a></span> <span class="keyword">using </span><a class="code hl_typedef" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a1a5ceebde7cebde69a1b2022f539a656">function_type</a> = Ret(<span class="keyword">const</span> <span class="keywordtype">void</span> *, Args...);</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ada5b094a0d859325dbe1241f3d956c02"> 123</a></span> <span class="keyword">using </span><a class="code hl_typedef" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ada5b094a0d859325dbe1241f3d956c02">type</a> = Ret(Args...);</div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a9bca9876e6671a34c6503b7de65402b6"> 125</a></span> <span class="keyword">using </span><a class="code hl_typedef" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a9bca9876e6671a34c6503b7de65402b6">result_type</a> = Ret;</div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a3aac26a945bb6e83f3187efa69947106"> 128</a></span> <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a3aac26a945bb6e83f3187efa69947106">delegate</a>() noexcept</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> : instance{<span class="keyword">nullptr</span>},</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> fn{<span class="keyword">nullptr</span>} {}</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">template</span><<span class="keyword">auto</span> Candidate, <span class="keyword">typename</span>... Type></div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a6621de8a9d4986619a8e133e179710fb"> 139</a></span> <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a6621de8a9d4986619a8e133e179710fb">delegate</a>(<a class="code hl_struct" href="structentt_1_1connect__arg__t.html">connect_arg_t<Candidate></a>, Type &&...value_or_instance) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> connect<Candidate>(std::forward<Type>(value_or_instance)...);</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a40c5ed7b7a18636722a6c692845414e3"> 149</a></span> <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a40c5ed7b7a18636722a6c692845414e3">delegate</a>(<a class="code hl_typedef" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a1a5ceebde7cebde69a1b2022f539a656">function_type</a> *function, <span class="keyword">const</span> <span class="keywordtype">void</span> *payload = <span class="keyword">nullptr</span>) noexcept {</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> connect(function, payload);</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> }</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> </div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">template</span><auto Cand<span class="keywordtype">id</span>ate></div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a97b4139915fc1c5528427b1a8685b134"> 158</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a97b4139915fc1c5528427b1a8685b134">connect</a>() noexcept {</div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> instance = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span>(std::is_invocable_r_v<Ret, <span class="keyword">decltype</span>(Candidate), Args...>) {</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> fn = [](<span class="keyword">const</span> <span class="keywordtype">void</span> *, Args... args) -> Ret {</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">return</span> Ret(std::invoke(Candidate, std::forward<Args>(args)...));</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> };</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span>(std::is_member_pointer_v<<span class="keyword">decltype</span>(Candidate)>) {</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> fn = wrap<Candidate>(internal::index_sequence_for<<a class="code hl_typedef" href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">type_list_element_t</a><0, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list<Args...></a>>>(internal::function_pointer_t<<span class="keyword">decltype</span>(Candidate)>{}));</div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> fn = wrap<Candidate>(internal::index_sequence_for(internal::function_pointer_t<<span class="keyword">decltype</span>(Candidate)>{}));</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> }</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> }</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">template</span><auto Cand<span class="keywordtype">id</span>ate, <span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a541b15248c0722840117695e92e1317f"> 188</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a541b15248c0722840117695e92e1317f">connect</a>(Type &value_or_instance) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> instance = &value_or_instance;</div>
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<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
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<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span>(std::is_invocable_r_v<Ret, <span class="keyword">decltype</span>(Candidate), Type &, Args...>) {</div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> fn = [](<span class="keyword">const</span> <span class="keywordtype">void</span> *payload, Args... args) -> Ret {</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> Type *curr = <span class="keyword">static_cast<</span>Type *<span class="keyword">></span>(<span class="keyword">const_cast<</span><a class="code hl_typedef" href="namespaceentt.html#a7b051461867d3c5c97f77f10b662c26b">constness_as_t<void, Type></a> *<span class="keyword">></span>(payload));</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">return</span> Ret(std::invoke(Candidate, *curr, std::forward<Args>(args)...));</div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> };</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> fn = wrap<Candidate>(value_or_instance, internal::index_sequence_for(internal::function_pointer_t<<span class="keyword">decltype</span>(Candidate), Type>{}));</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> }</div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> }</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">template</span><auto Cand<span class="keywordtype">id</span>ate, <span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a96de957fc6a89a4d017930e084637717"> 212</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a96de957fc6a89a4d017930e084637717">connect</a>(Type *value_or_instance) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> instance = value_or_instance;</div>
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<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
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<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span>(std::is_invocable_r_v<Ret, <span class="keyword">decltype</span>(Candidate), Type *, Args...>) {</div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> fn = [](<span class="keyword">const</span> <span class="keywordtype">void</span> *payload, Args... args) -> Ret {</div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> Type *curr = <span class="keyword">static_cast<</span>Type *<span class="keyword">></span>(<span class="keyword">const_cast<</span><a class="code hl_typedef" href="namespaceentt.html#a7b051461867d3c5c97f77f10b662c26b">constness_as_t<void, Type></a> *<span class="keyword">></span>(payload));</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">return</span> Ret(std::invoke(Candidate, curr, std::forward<Args>(args)...));</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> };</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> fn = wrap<Candidate>(value_or_instance, internal::index_sequence_for(internal::function_pointer_t<<span class="keyword">decltype</span>(Candidate), Type>{}));</div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> }</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> }</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#aca254b9fab39adc886b0a2266b39f88f"> 238</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#aca254b9fab39adc886b0a2266b39f88f">connect</a>(<a class="code hl_typedef" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a1a5ceebde7cebde69a1b2022f539a656">function_type</a> *function, <span class="keyword">const</span> <span class="keywordtype">void</span> *payload = <span class="keyword">nullptr</span>) noexcept {</div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> ENTT_ASSERT(function != <span class="keyword">nullptr</span>, <span class="stringliteral">"Uninitialized function pointer"</span>);</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> instance = payload;</div>
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<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> fn = function;</div>
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<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> }</div>
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<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a10eeabec435f0b704fb5937c766b12db"> 249</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a10eeabec435f0b704fb5937c766b12db">reset</a>() noexcept {</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> instance = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> fn = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> }</div>
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<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> </div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ad2c0669b2eeaa2e0fce72b16e3510d95"> 258</a></span> [[nodiscard]] <a class="code hl_typedef" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a1a5ceebde7cebde69a1b2022f539a656">function_type</a> *<a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ad2c0669b2eeaa2e0fce72b16e3510d95">target</a>() const noexcept {</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">return</span> fn;</div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> }</div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> </div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a9d2053438aeeb385f81b4cf99367c796"> 266</a></span> [[nodiscard]] <span class="keyword">const</span> <span class="keywordtype">void</span> *<a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a9d2053438aeeb385f81b4cf99367c796">data</a>() const noexcept {</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">return</span> instance;</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> }</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> </div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a0e53caedb53810bc96aa71bce199c990"> 282</a></span> Ret <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a0e53caedb53810bc96aa71bce199c990">operator()</a>(Args... args)<span class="keyword"> const </span>{</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> ENTT_ASSERT(<span class="keyword">static_cast<</span><span class="keywordtype">bool</span><span class="keyword">></span>(*<span class="keyword">this</span>), <span class="stringliteral">"Uninitialized delegate"</span>);</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keywordflow">return</span> fn(instance, std::forward<Args>(args)...);</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> }</div>
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<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> </div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ae6135edc6c6155d19f86b7f27038a1f6"> 291</a></span> [[nodiscard]] <span class="keyword">explicit</span> <span class="keyword">operator</span> bool() const noexcept {</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="comment">// no need to also test instance</span></div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">return</span> !(fn == <span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> }</div>
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<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"><a class="line" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a02045624d6c4c1e2d0f25f24b5fa6349"> 301</a></span> [[nodiscard]] <span class="keywordtype">bool</span> <a class="code hl_function" href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a02045624d6c4c1e2d0f25f24b5fa6349">operator==</a>(<span class="keyword">const</span> <a class="code hl_class" href="classentt_1_1delegate.html">delegate</a><Ret(Args...)> &other) <span class="keyword">const</span> <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">return</span> fn == other.fn && instance == other.instance;</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> }</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> </div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span><span class="keyword">private</span>:</div>
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<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keyword">const</span> <span class="keywordtype">void</span> *instance;</div>
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<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> function_type *fn;</div>
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<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span>};</div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> </div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span><span class="keyword">template</span><<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"><a class="line" href="namespaceentt.html#ae663976796b773780f6136606c1a3f31"> 319</a></span>[[nodiscard]] <span class="keywordtype">bool</span> <a class="code hl_function" href="namespaceentt.html#ad9accc71a383509ada028f7fa2b767bf">operator!=</a>(<span class="keyword">const</span> <a class="code hl_class" href="classentt_1_1delegate.html">delegate</a><Ret(Args...)> &lhs, <span class="keyword">const</span> <a class="code hl_class" href="classentt_1_1delegate.html">delegate</a><Ret(Args...)> &rhs) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="keywordflow">return</span> !(lhs == rhs);</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span>}</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> </div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span><span class="keyword">template</span><auto Cand<span class="keywordtype">id</span>ate></div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"><a class="line" href="namespaceentt.html#acaa5569564e913ef41b15b06e3dca0f4"> 328</a></span><a class="code hl_class" href="classentt_1_1delegate.html">delegate</a>(<a class="code hl_struct" href="structentt_1_1connect__arg__t.html">connect_arg_t<Candidate></a>) -> <a class="code hl_class" href="classentt_1_1delegate.html">delegate</a><std::remove_pointer_t<internal::function_pointer_t<<span class="keyword">decltype</span>(Candidate)>>>;</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> </div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span><span class="keyword">template</span><auto Cand<span class="keywordtype">id</span>ate, <span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"><a class="line" href="namespaceentt.html#af883efa5bf613137f825c322df3ae801"> 336</a></span><a class="code hl_class" href="classentt_1_1delegate.html">delegate</a>(<a class="code hl_struct" href="structentt_1_1connect__arg__t.html">connect_arg_t<Candidate></a>, Type &&) -> <a class="code hl_class" href="classentt_1_1delegate.html">delegate</a><std::remove_pointer_t<internal::function_pointer_t<<span class="keyword">decltype</span>(Candidate), Type>>>;</div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> </div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span><span class="keyword">template</span><<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"><a class="line" href="namespaceentt.html#aaba06006a862fa5dc613e8561ac4e92c"> 344</a></span><a class="code hl_class" href="classentt_1_1delegate.html">delegate</a>(Ret (*)(<span class="keyword">const</span> <span class="keywordtype">void</span> *, Args...), <span class="keyword">const</span> <span class="keywordtype">void</span> * = <span class="keyword">nullptr</span>) -> <a class="code hl_class" href="classentt_1_1delegate.html">delegate</a><Ret(Args...)>;</div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> </div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span>} <span class="comment">// namespace entt</span></div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> </div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span><span class="preprocessor">#endif</span></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a02045624d6c4c1e2d0f25f24b5fa6349"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a02045624d6c4c1e2d0f25f24b5fa6349">entt::delegate< Ret(Args...)>::operator==</a></div><div class="ttdeci">bool operator==(const delegate< Ret(Args...)> &other) const noexcept</div><div class="ttdoc">Compares the contents of two delegates.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00301">delegate.hpp:301</a></div></div>
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<div class="ttc" id="aclassentt_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< Ret(Args...)>::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#l00282">delegate.hpp:282</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a10eeabec435f0b704fb5937c766b12db"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a10eeabec435f0b704fb5937c766b12db">entt::delegate< Ret(Args...)>::reset</a></div><div class="ttdeci">void reset() noexcept</div><div class="ttdoc">Resets a delegate.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00249">delegate.hpp:249</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a1a5ceebde7cebde69a1b2022f539a656"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a1a5ceebde7cebde69a1b2022f539a656">entt::delegate< Ret(Args...)>::function_type</a></div><div class="ttdeci">Ret(const void *, Args...) function_type</div><div class="ttdoc">Function type of the contained target.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00121">delegate.hpp:121</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a3aac26a945bb6e83f3187efa69947106"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a3aac26a945bb6e83f3187efa69947106">entt::delegate< Ret(Args...)>::delegate</a></div><div class="ttdeci">delegate() noexcept</div><div class="ttdoc">Default constructor.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00128">delegate.hpp:128</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a40c5ed7b7a18636722a6c692845414e3"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a40c5ed7b7a18636722a6c692845414e3">entt::delegate< Ret(Args...)>::delegate</a></div><div class="ttdeci">delegate(function_type *function, const void *payload=nullptr) noexcept</div><div class="ttdoc">Constructs a delegate and connects an user defined function with optional payload.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00149">delegate.hpp:149</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a541b15248c0722840117695e92e1317f"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a541b15248c0722840117695e92e1317f">entt::delegate< Ret(Args...)>::connect</a></div><div class="ttdeci">void connect(Type &value_or_instance) noexcept</div><div class="ttdoc">Connects a free function with payload or a bound member to a delegate.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00188">delegate.hpp:188</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a6621de8a9d4986619a8e133e179710fb"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a6621de8a9d4986619a8e133e179710fb">entt::delegate< Ret(Args...)>::delegate</a></div><div class="ttdeci">delegate(connect_arg_t< Candidate >, Type &&...value_or_instance) noexcept</div><div class="ttdoc">Constructs a delegate with a given object or payload, if any.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00139">delegate.hpp:139</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a96de957fc6a89a4d017930e084637717"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a96de957fc6a89a4d017930e084637717">entt::delegate< Ret(Args...)>::connect</a></div><div class="ttdeci">void connect(Type *value_or_instance) noexcept</div><div class="ttdoc">Connects a free function with payload or a bound member to a delegate.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00212">delegate.hpp:212</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a97b4139915fc1c5528427b1a8685b134"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a97b4139915fc1c5528427b1a8685b134">entt::delegate< Ret(Args...)>::connect</a></div><div class="ttdeci">void connect() noexcept</div><div class="ttdoc">Connects a free function or an unbound member to a delegate.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00158">delegate.hpp:158</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a9bca9876e6671a34c6503b7de65402b6"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a9bca9876e6671a34c6503b7de65402b6">entt::delegate< Ret(Args...)>::result_type</a></div><div class="ttdeci">Ret result_type</div><div class="ttdoc">Return type of the delegate.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00125">delegate.hpp:125</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_a9d2053438aeeb385f81b4cf99367c796"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#a9d2053438aeeb385f81b4cf99367c796">entt::delegate< Ret(Args...)>::data</a></div><div class="ttdeci">const void * data() const noexcept</div><div class="ttdoc">Returns the instance or the payload linked to a delegate, if any.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00266">delegate.hpp:266</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_aca254b9fab39adc886b0a2266b39f88f"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#aca254b9fab39adc886b0a2266b39f88f">entt::delegate< Ret(Args...)>::connect</a></div><div class="ttdeci">void connect(function_type *function, const void *payload=nullptr) noexcept</div><div class="ttdoc">Connects an user defined function with optional payload to a delegate.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00238">delegate.hpp:238</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_ad2c0669b2eeaa2e0fce72b16e3510d95"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ad2c0669b2eeaa2e0fce72b16e3510d95">entt::delegate< Ret(Args...)>::target</a></div><div class="ttdeci">function_type * target() const noexcept</div><div class="ttdoc">Returns a pointer to the stored callable function target, if any.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00258">delegate.hpp:258</a></div></div>
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<div class="ttc" id="aclassentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4_html_ada5b094a0d859325dbe1241f3d956c02"><div class="ttname"><a href="classentt_1_1delegate_3_01Ret_07Args_8_8_8_08_4.html#ada5b094a0d859325dbe1241f3d956c02">entt::delegate< Ret(Args...)>::type</a></div><div class="ttdeci">Ret(Args...) type</div><div class="ttdoc">Function type of the delegate.</div><div class="ttdef"><b>Definition:</b> <a href="delegate_8hpp_source.html#l00123">delegate.hpp:123</a></div></div>
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<div class="ttc" id="aclassentt_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#l00059">delegate.hpp:59</a></div></div>
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<div class="ttc" id="anamespaceentt_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="dense__map_8hpp_source.html#l00021">dense_map.hpp:21</a></div></div>
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<div class="ttc" id="anamespaceentt_html_a7b051461867d3c5c97f77f10b662c26b"><div class="ttname"><a href="namespaceentt.html#a7b051461867d3c5c97f77f10b662c26b">entt::constness_as_t</a></div><div class="ttdeci">typename constness_as< To, From >::type constness_as_t</div><div class="ttdoc">Alias template to facilitate the transcription of the constness.</div><div class="ttdef"><b>Definition:</b> <a href="core_2type__traits_8hpp_source.html#l00843">type_traits.hpp:843</a></div></div>
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<div class="ttc" id="anamespaceentt_html_ac839c1a03dba2436791d0056d6d0d1b6"><div class="ttname"><a href="namespaceentt.html#ac839c1a03dba2436791d0056d6d0d1b6">entt::type_list_element_t</a></div><div class="ttdeci">typename type_list_element< Index, List >::type type_list_element_t</div><div class="ttdoc">Helper type.</div><div class="ttdef"><b>Definition:</b> <a href="core_2type__traits_8hpp_source.html#l00148">type_traits.hpp:148</a></div></div>
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<div class="ttc" id="anamespaceentt_html_ad9accc71a383509ada028f7fa2b767bf"><div class="ttname"><a href="namespaceentt.html#ad9accc71a383509ada028f7fa2b767bf">entt::operator!=</a></div><div class="ttdeci">constexpr bool operator!=(const basic_hashed_string< Char > &lhs, const basic_hashed_string< Char > &rhs) noexcept</div><div class="ttdoc">Compares two hashed strings.</div><div class="ttdef"><b>Definition:</b> <a href="hashed__string_8hpp_source.html#l00249">hashed_string.hpp:249</a></div></div>
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<div class="ttc" id="astructentt_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">Disambiguation tag for constructors and the like.</div><div class="ttdef"><b>Definition:</b> <a href="signal_2fwd_8hpp_source.html#l00032">fwd.hpp:32</a></div></div>
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<div class="ttc" id="astructentt_1_1type__list_html"><div class="ttname"><a href="structentt_1_1type__list.html">entt::type_list</a></div><div class="ttdoc">A class to use to push around lists of types, nothing more.</div><div class="ttdef"><b>Definition:</b> <a href="core_2type__traits_8hpp_source.html#l00110">type_traits.hpp:110</a></div></div>
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