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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#ifndef ENTT_META_NODE_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define ENTT_META_NODE_HPP</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160; </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="preprocessor">#include &lt;cstddef&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;../config/config.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &quot;../core/attribute.h&quot;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &quot;../core/enum.hpp&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &quot;../core/fwd.hpp&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &quot;../core/type_info.hpp&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;../core/type_traits.hpp&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;type_traits.hpp&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="keyword">class </span>meta_any;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">class </span>meta_type;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">struct </span>meta_handle;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">enum class</span> meta_traits : std::uint32_t {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; is_none = 0x0000,</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; is_const = 0x0001,</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; is_static = 0x0002,</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; is_arithmetic = 0x0004,</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; is_array = 0x0008,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; is_enum = 0x0010,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; is_class = 0x0020,</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; is_pointer = 0x0040,</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; is_meta_pointer_like = 0x0080,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; is_meta_sequence_container = 0x0100,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; is_meta_associative_container = 0x0200,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; _entt_enum_as_bitmask</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;};</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">struct </span>meta_type_node;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="keyword">struct </span>meta_prop_node {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; meta_prop_node *next;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">const</span> meta_any &amp;id;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; meta_any &amp;value;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;};</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="keyword">struct </span>meta_base_node {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; meta_base_node *next;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; meta_type_node *<span class="keyword">const</span> type;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; meta_any (*<span class="keyword">const</span> cast)(meta_any) ENTT_NOEXCEPT;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;};</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="keyword">struct </span>meta_conv_node {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; meta_conv_node *next;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; meta_type_node *<span class="keyword">const</span> type;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; meta_any (*<span class="keyword">const</span> conv)(<span class="keyword">const</span> meta_any &amp;);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;};</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="keyword">struct </span>meta_ctor_node {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">using</span> size_type = std::size_t;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; meta_ctor_node *next;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">const</span> size_type arity;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; meta_type (*<span class="keyword">const</span> arg)(<span class="keyword">const</span> size_type) ENTT_NOEXCEPT;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; meta_any (*<span class="keyword">const</span> <a class="code" href="namespaceentt.html#aa512a354fe328df6be5a92eb43cd4d69">invoke</a>)(meta_any *<span class="keyword">const</span>);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;};</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="keyword">struct </span>meta_data_node {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keyword">using</span> size_type = std::size_t;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <a class="code" href="namespaceentt.html#a13e040e7b38a8f86d1ab2f096f37b627">id_type</a> id;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">const</span> meta_traits traits;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; meta_data_node *next;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; meta_prop_node *prop;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keyword">const</span> size_type arity;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; meta_type_node *<span class="keyword">const</span> type;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; meta_type (*<span class="keyword">const</span> arg)(<span class="keyword">const</span> size_type) ENTT_NOEXCEPT;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; bool (*<span class="keyword">const</span> set)(meta_handle, meta_any);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; meta_any (*<span class="keyword">const</span> <a class="code" href="namespaceentt.html#a8c24ecc5ab0055f9f2a4725c95afb29e">get</a>)(meta_handle);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;};</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="keyword">struct </span>meta_func_node {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keyword">using</span> size_type = std::size_t;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <a class="code" href="namespaceentt.html#a13e040e7b38a8f86d1ab2f096f37b627">id_type</a> id;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keyword">const</span> meta_traits traits;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; meta_func_node *next;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; meta_prop_node *prop;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keyword">const</span> size_type arity;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; meta_type_node *<span class="keyword">const</span> ret;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; meta_type (*<span class="keyword">const</span> arg)(<span class="keyword">const</span> size_type) ENTT_NOEXCEPT;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; meta_any (*<span class="keyword">const</span> <a class="code" href="namespaceentt.html#aa512a354fe328df6be5a92eb43cd4d69">invoke</a>)(meta_handle, meta_any *<span class="keyword">const</span>);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;};</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="keyword">struct </span>meta_template_node {</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keyword">using</span> size_type = std::size_t;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keyword">const</span> size_type arity;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; meta_type_node *<span class="keyword">const</span> type;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; meta_type_node *(*<span class="keyword">const</span> arg)(<span class="keyword">const</span> size_type)ENTT_NOEXCEPT;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;};</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="keyword">struct </span>meta_type_node {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keyword">using</span> size_type = std::size_t;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keyword">const</span> type_info *info;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <a class="code" href="namespaceentt.html#a13e040e7b38a8f86d1ab2f096f37b627">id_type</a> id;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keyword">const</span> meta_traits traits;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; meta_type_node *next;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; meta_prop_node *prop;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keyword">const</span> size_type size_of;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; meta_any (*<span class="keyword">const</span> default_constructor)();</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; double (*<span class="keyword">const</span> conversion_helper)(<span class="keywordtype">void</span> *, <span class="keyword">const</span> <span class="keywordtype">void</span> *);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">const</span> meta_template_node *<span class="keyword">const</span> templ;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; meta_ctor_node *ctor{<span class="keyword">nullptr</span>};</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; meta_base_node *base{<span class="keyword">nullptr</span>};</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; meta_conv_node *conv{<span class="keyword">nullptr</span>};</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; meta_data_node *data{<span class="keyword">nullptr</span>};</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; meta_func_node *func{<span class="keyword">nullptr</span>};</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; void (*dtor)(<span class="keywordtype">void</span> *){<span class="keyword">nullptr</span>};</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;};</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span>... Args&gt;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;meta_type_node *meta_arg_node(type_list&lt;Args...&gt;, <span class="keyword">const</span> std::size_t index) ENTT_NOEXCEPT;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Type&gt;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="keyword">class </span>ENTT_API meta_node {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; static_assert(std::is_same_v&lt;Type, std::remove_cv_t&lt;std::remove_reference_t&lt;Type&gt;&gt;&gt;, <span class="stringliteral">&quot;Invalid type&quot;</span>);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; [[nodiscard]] <span class="keyword">static</span> <span class="keyword">auto</span> *meta_default_constructor() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_default_constructible_v&lt;Type&gt;) {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keywordflow">return</span> +[]() { <span class="keywordflow">return</span> meta_any{std::in_place_type&lt;Type&gt;}; };</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>std::decay_t&lt;decltype(meta_type_node::default_constructor)<span class="keyword">&gt;</span>&gt;(<span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; [[nodiscard]] <span class="keyword">static</span> <span class="keyword">auto</span> *meta_conversion_helper() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_arithmetic_v&lt;Type&gt;) {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">return</span> +[](<span class="keywordtype">void</span> *bin, <span class="keyword">const</span> <span class="keywordtype">void</span> *value) {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordflow">return</span> bin ? <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(*<span class="keyword">static_cast&lt;</span>Type *<span class="keyword">&gt;</span>(bin) = <span class="keyword">static_cast&lt;</span>Type<span class="keyword">&gt;</span>(*<span class="keyword">static_cast&lt;</span><span class="keyword">const </span><span class="keywordtype">double</span> *<span class="keyword">&gt;</span>(value))) : static_cast&lt;double&gt;(*static_cast&lt;const Type *&gt;(value));</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; };</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> constexpr(std::is_enum_v&lt;Type&gt;) {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">return</span> +[](<span class="keywordtype">void</span> *bin, <span class="keyword">const</span> <span class="keywordtype">void</span> *value) {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">return</span> bin ? <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(*<span class="keyword">static_cast&lt;</span>Type *<span class="keyword">&gt;</span>(bin) = <span class="keyword">static_cast&lt;</span>Type<span class="keyword">&gt;</span>(<span class="keyword">static_cast&lt;</span>std::underlying_type_t&lt;Type&gt;<span class="keyword">&gt;</span>(*<span class="keyword">static_cast&lt;</span><span class="keyword">const </span><span class="keywordtype">double</span> *<span class="keyword">&gt;</span>(value)))) : <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(*<span class="keyword">static_cast&lt;</span><span class="keyword">const </span>Type *<span class="keyword">&gt;</span>(value));</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; };</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>std::decay_t&lt;decltype(meta_type_node::conversion_helper)<span class="keyword">&gt;</span>&gt;(<span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; [[nodiscard]] <span class="keyword">static</span> meta_template_node *meta_template_info() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordflow">if</span> constexpr(<a class="code" href="namespaceentt.html#a8a96fcc4bc8da9a2aa1cdb0bc15b75c8">is_complete_v</a>&lt;meta_template_traits&lt;Type&gt;&gt;) {</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keyword">static</span> meta_template_node node{</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; meta_template_traits&lt;Type&gt;::args_type::size,</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; meta_node&lt;typename meta_template_traits&lt;Type&gt;::class_type&gt;<a class="code" href="namespaceentt.html#a0b62be0d39676cb86f2aefefa890b198">::resolve</a>(),</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; [](<span class="keyword">const</span> std::size_t index) ENTT_NOEXCEPT { <span class="keywordflow">return</span> meta_arg_node(<span class="keyword">typename</span> meta_template_traits&lt;Type&gt;::args_type{}, index); }</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="comment">// tricks clang-format</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; };</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordflow">return</span> &amp;node;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; [[nodiscard]] <span class="keyword">static</span> meta_type_node *<a class="code" href="namespaceentt.html#a0b62be0d39676cb86f2aefefa890b198">resolve</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keyword">static</span> meta_type_node node{</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; &amp;type_id&lt;Type&gt;(),</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; {},</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; internal::meta_traits::is_none</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; | (std::is_arithmetic_v&lt;Type&gt; ? internal::meta_traits::is_arithmetic : internal::meta_traits::is_none)</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; | (std::is_array_v&lt;Type&gt; ? internal::meta_traits::is_array : internal::meta_traits::is_none)</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; | (std::is_enum_v&lt;Type&gt; ? internal::meta_traits::is_enum : internal::meta_traits::is_none)</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; | (std::is_class_v&lt;Type&gt; ? internal::meta_traits::is_class : internal::meta_traits::is_none)</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; | (std::is_pointer_v&lt;Type&gt; ? internal::meta_traits::is_pointer : internal::meta_traits::is_none)</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; | (is_meta_pointer_like_v&lt;Type&gt; ? internal::meta_traits::is_meta_pointer_like : internal::meta_traits::is_none)</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; | (is_complete_v&lt;meta_sequence_container_traits&lt;Type&gt;&gt; ? internal::meta_traits::is_meta_sequence_container : internal::meta_traits::is_none)</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; | (<a class="code" href="namespaceentt.html#a8a96fcc4bc8da9a2aa1cdb0bc15b75c8">is_complete_v</a>&lt;meta_associative_container_traits&lt;Type&gt;&gt; ? internal::meta_traits::is_meta_associative_container : internal::meta_traits::is_none),</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; size_of_v&lt;Type&gt;,</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; meta_default_constructor(),</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; meta_conversion_helper(),</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; meta_template_info()</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="comment">// tricks clang-format</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; };</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keywordflow">return</span> &amp;node;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;};</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span>... Args&gt;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;[[nodiscard]] meta_type_node *meta_arg_node(type_list&lt;Args...&gt;, <span class="keyword">const</span> std::size_t index) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; meta_type_node *args[<span class="keyword">sizeof</span>...(Args) + 1u]{<span class="keyword">nullptr</span>, internal::meta_node&lt;std::remove_cv_t&lt;std::remove_reference_t&lt;Args&gt;&gt;&gt;<a class="code" href="namespaceentt.html#a0b62be0d39676cb86f2aefefa890b198">::resolve</a>()...};</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keywordflow">return</span> args[index + 1u];</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;}</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160;<span class="keyword">template</span>&lt;auto Member, <span class="keyword">typename</span> Type&gt;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;[[nodiscard]] <span class="keyword">static</span> std::decay_t&lt;decltype(std::declval&lt;internal::meta_type_node&gt;().*Member)&gt; find_by(<span class="keyword">const</span> Type &amp;info_or_id, <span class="keyword">const</span> internal::meta_type_node *node) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">for</span>(<span class="keyword">auto</span> *curr = node-&gt;*Member; curr; curr = curr-&gt;next) {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_same_v&lt;Type, type_info&gt;) {</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="keywordflow">if</span>(*curr-&gt;type-&gt;info == info_or_id) {</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordflow">return</span> curr;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; }</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> constexpr(std::is_same_v&lt;decltype(curr), meta_base_node *&gt;) {</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keywordflow">if</span>(curr-&gt;type-&gt;id == info_or_id) {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="keywordflow">return</span> curr;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; }</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keywordflow">if</span>(curr-&gt;id == info_or_id) {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="keywordflow">return</span> curr;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; }</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; }</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">for</span>(<span class="keyword">auto</span> *curr = node-&gt;base; curr; curr = curr-&gt;next) {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="keywordflow">if</span>(<span class="keyword">auto</span> *ret = find_by&lt;Member&gt;(info_or_id, curr-&gt;type); ret) {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; }</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;}</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;} <span class="comment">// namespace internal</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; </div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;} <span class="comment">// namespace entt</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160;<span class="preprocessor">#endif</span></div>
<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#l00022">dense_map.hpp:22</a></div></div>
<div class="ttc" id="anamespaceentt_html_a0b62be0d39676cb86f2aefefa890b198"><div class="ttname"><a href="namespaceentt.html#a0b62be0d39676cb86f2aefefa890b198">entt::resolve</a></div><div class="ttdeci">meta_type resolve()</div><div class="ttdoc">Returns the meta type associated with a given type.</div><div class="ttdef"><b>Definition:</b> <a href="resolve_8hpp_source.html#l00019">resolve.hpp:19</a></div></div>
<div class="ttc" id="anamespaceentt_html_a13e040e7b38a8f86d1ab2f096f37b627"><div class="ttname"><a href="namespaceentt.html#a13e040e7b38a8f86d1ab2f096f37b627">entt::id_type</a></div><div class="ttdeci">std::uint32_t id_type</div><div class="ttdoc">Alias declaration for type identifiers.</div><div class="ttdef"><b>Definition:</b> <a href="core_2fwd_8hpp_source.html#l00014">fwd.hpp:14</a></div></div>
<div class="ttc" id="anamespaceentt_html_a8a96fcc4bc8da9a2aa1cdb0bc15b75c8"><div class="ttname"><a href="namespaceentt.html#a8a96fcc4bc8da9a2aa1cdb0bc15b75c8">entt::is_complete_v</a></div><div class="ttdeci">constexpr bool is_complete_v</div><div class="ttdoc">Helper variable template.</div><div class="ttdef"><b>Definition:</b> <a href="core_2type__traits_8hpp_source.html#l00447">type_traits.hpp:447</a></div></div>
<div class="ttc" id="anamespaceentt_html_a8c24ecc5ab0055f9f2a4725c95afb29e"><div class="ttname"><a href="namespaceentt.html#a8c24ecc5ab0055f9f2a4725c95afb29e">entt::get</a></div><div class="ttdeci">constexpr get_t&lt; Type... &gt; get</div><div class="ttdoc">Variable template for lists of observed components.</div><div class="ttdef"><b>Definition:</b> <a href="entity_2utility_8hpp_source.html#l00034">utility.hpp:34</a></div></div>
<div class="ttc" id="anamespaceentt_html_aa512a354fe328df6be5a92eb43cd4d69"><div class="ttname"><a href="namespaceentt.html#aa512a354fe328df6be5a92eb43cd4d69">entt::invoke</a></div><div class="ttdeci">void invoke(basic_registry&lt; Entity &gt; &amp;reg, const Entity entt)</div><div class="ttdoc">Helper to create a listener that directly invokes a member function.</div><div class="ttdef"><b>Definition:</b> <a href="helper_8hpp_source.html#l00119">helper.hpp:119</a></div></div>
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