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<div class="title">factory.hpp</div> </div>
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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_FACTORY_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define ENTT_META_FACTORY_HPP</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160; </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160; </div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &lt;tuple&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#include &lt;array&gt;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;cstddef&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &quot;../config/config.h&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;../core/utility.hpp&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;policy.hpp&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;meta.hpp&quot;</span></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; </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span>&gt;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">struct </span>meta_function_helper;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args&gt;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="keyword">struct </span>meta_function_helper&lt;Ret(Args...)&gt; {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keyword">using</span> return_type = std::remove_cv_t&lt;std::remove_reference_t&lt;Ret&gt;&gt;;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keyword">using</span> args_type = std::tuple&lt;std::remove_cv_t&lt;std::remove_reference_t&lt;Args&gt;&gt;...&gt;;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">static</span> constexpr std::index_sequence_for&lt;Args...&gt; index_sequence{};</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">static</span> constexpr <span class="keyword">auto</span> is_const = <span class="keyword">false</span>;</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; <span class="keyword">static</span> <span class="keyword">auto</span> arg(<span class="keyword">typename</span> internal::meta_func_node::size_type index) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">return</span> std::array&lt;meta_type_node *, <span class="keyword">sizeof</span>...(Args)&gt;{{meta_info&lt;Args&gt;::resolve()...}}[index];</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;};</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args&gt;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="keyword">struct </span>meta_function_helper&lt;Ret(Args...) const&gt;: meta_function_helper&lt;Ret(Args...)&gt; {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keyword">static</span> constexpr <span class="keyword">auto</span> is_const = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;};</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args, <span class="keyword">typename</span> Class&gt;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;constexpr meta_function_helper&lt;Ret(Args...)&gt;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;to_meta_function_helper(Ret(Class:: *)(Args...));</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Ret, <span class="keyword">typename</span>... Args, <span class="keyword">typename</span> Class&gt;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;constexpr meta_function_helper&lt;Ret(Args...) const&gt;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;to_meta_function_helper(Ret(Class:: *)(Args...) const);</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; </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;template&lt;typename Ret, typename... Args&gt;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;constexpr meta_function_helper&lt;Ret(Args...)&gt;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;to_meta_function_helper(Ret(*)(Args...));</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;constexpr <span class="keywordtype">void</span> to_meta_function_helper(...);</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; </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;template&lt;typename Candidate&gt;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;using meta_function_helper_t = decltype(to_meta_function_helper(std::declval&lt;Candidate&gt;()));</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;template&lt;typename Type, typename... Args, std::<span class="keywordtype">size_t</span>... Indexes&gt;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;meta_any construct(meta_any * const args, std::index_sequence&lt;Indexes...&gt;) {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; [[maybe_unused]] <span class="keyword">auto</span> direct = std::make_tuple((args+Indexes)-&gt;try_cast&lt;Args&gt;()...);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; meta_any any{};</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordflow">if</span>(((std::get&lt;Indexes&gt;(direct) || (args+Indexes)-&gt;convert&lt;Args&gt;()) &amp;&amp; ...)) {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; any = Type{(std::get&lt;Indexes&gt;(direct) ? *std::get&lt;Indexes&gt;(direct) : (args+Indexes)-&gt;cast&lt;Args&gt;())...};</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; </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> any;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;}</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="keyword">template</span>&lt;<span class="keywordtype">bool</span> Const, <span class="keyword">typename</span> Type, auto Data&gt;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="keywordtype">bool</span> setter([[maybe_unused]] meta_any instance, [[maybe_unused]] meta_any index, [[maybe_unused]] meta_any value) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordtype">bool</span> accepted = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordflow">if</span> constexpr(!Const) {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_function_v&lt;std::remove_reference_t&lt;std::remove_pointer_t&lt;decltype(Data)&gt;&gt;&gt; || std::is_member_function_pointer_v&lt;decltype(Data)&gt;) {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keyword">using</span> helper_type = meta_function_helper_t&lt;decltype(Data)&gt;;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keyword">using</span> data_type = std::tuple_element_t&lt;!std::is_member_function_pointer_v&lt;decltype(Data)&gt;, <span class="keyword">typename</span> helper_type::args_type&gt;;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; static_assert(std::is_invocable_v&lt;decltype(Data), Type &amp;, data_type&gt;);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> clazz = instance.try_cast&lt;Type&gt;();</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> direct = value.try_cast&lt;data_type&gt;();</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">if</span>(clazz &amp;&amp; (direct || value.convert&lt;data_type&gt;())) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; std::invoke(Data, *clazz, direct ? *direct : value.cast&lt;data_type&gt;());</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; accepted = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> constexpr(std::is_member_object_pointer_v&lt;decltype(Data)&gt;) {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keyword">using</span> data_type = std::remove_cv_t&lt;std::remove_reference_t&lt;decltype(std::declval&lt;Type&gt;().*Data)&gt;&gt;;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; static_assert(std::is_invocable_v&lt;decltype(Data), Type *&gt;);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> clazz = instance.try_cast&lt;Type&gt;();</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_array_v&lt;data_type&gt;) {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keyword">using</span> underlying_type = std::remove_extent_t&lt;data_type&gt;;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> direct = value.try_cast&lt;underlying_type&gt;();</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> idx = index.try_cast&lt;std::size_t&gt;();</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordflow">if</span>(clazz &amp;&amp; idx &amp;&amp; (direct || value.convert&lt;underlying_type&gt;())) {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; std::invoke(Data, clazz)[*idx] = direct ? *direct : value.cast&lt;underlying_type&gt;();</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; accepted = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> direct = value.try_cast&lt;data_type&gt;();</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="keywordflow">if</span>(clazz &amp;&amp; (direct || value.convert&lt;data_type&gt;())) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; std::invoke(Data, clazz) = (direct ? *direct : value.cast&lt;data_type&gt;());</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; accepted = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; static_assert(std::is_pointer_v&lt;decltype(Data)&gt;);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keyword">using</span> data_type = std::remove_cv_t&lt;std::remove_reference_t&lt;decltype(*Data)&gt;&gt;;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_array_v&lt;data_type&gt;) {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keyword">using</span> underlying_type = std::remove_extent_t&lt;data_type&gt;;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> direct = value.try_cast&lt;underlying_type&gt;();</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> idx = index.try_cast&lt;std::size_t&gt;();</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; <span class="keywordflow">if</span>(idx &amp;&amp; (direct || value.convert&lt;underlying_type&gt;())) {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; (*Data)[*idx] = (direct ? *direct : value.cast&lt;underlying_type&gt;());</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; accepted = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; }</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> direct = value.try_cast&lt;data_type&gt;();</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">if</span>(direct || value.convert&lt;data_type&gt;()) {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; *Data = (direct ? *direct : value.cast&lt;data_type&gt;());</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; accepted = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; }</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; <span class="keywordflow">return</span> accepted;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;}</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Type, auto Data, <span class="keyword">typename</span> Policy&gt;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;meta_any getter([[maybe_unused]] meta_any instance, [[maybe_unused]] meta_any index) {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keyword">auto</span> dispatch = [](<span class="keyword">auto</span> &amp;&amp;value) {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_same_v&lt;Policy, as_void_t&gt;) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">return</span> meta_any{std::in_place_type&lt;void&gt;, std::forward&lt;decltype(value)&gt;(value)};</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> constexpr(std::is_same_v&lt;Policy, as_alias_t&gt;) {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">return</span> meta_any{std::ref(std::forward&lt;decltype(value)&gt;(value))};</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; static_assert(std::is_same_v&lt;Policy, as_is_t&gt;);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">return</span> meta_any{std::forward&lt;decltype(value)&gt;(value)};</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; };</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_function_v&lt;std::remove_reference_t&lt;std::remove_pointer_t&lt;decltype(Data)&gt;&gt;&gt; || std::is_member_function_pointer_v&lt;decltype(Data)&gt;) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; static_assert(std::is_invocable_v&lt;decltype(Data), Type &amp;&gt;);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> clazz = instance.try_cast&lt;Type&gt;();</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">return</span> clazz ? dispatch(std::invoke(Data, *clazz)) : meta_any{};</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> constexpr(std::is_member_object_pointer_v&lt;decltype(Data)&gt;) {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keyword">using</span> data_type = std::remove_cv_t&lt;std::remove_reference_t&lt;decltype(std::declval&lt;Type&gt;().*Data)&gt;&gt;;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; static_assert(std::is_invocable_v&lt;decltype(Data), Type *&gt;);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> clazz = instance.try_cast&lt;Type&gt;();</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_array_v&lt;data_type&gt;) {</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> idx = index.try_cast&lt;std::size_t&gt;();</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">return</span> (clazz &amp;&amp; idx) ? dispatch(std::invoke(Data, clazz)[*idx]) : meta_any{};</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keywordflow">return</span> clazz ? dispatch(std::invoke(Data, clazz)) : meta_any{};</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; }</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; static_assert(std::is_pointer_v&lt;std::decay_t&lt;decltype(Data)&gt;&gt;);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_array_v&lt;std::remove_pointer_t&lt;decltype(Data)&gt;&gt;) {</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> idx = index.try_cast&lt;std::size_t&gt;();</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordflow">return</span> idx ? dispatch((*Data)[*idx]) : meta_any{};</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keywordflow">return</span> dispatch(*Data);</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;}</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Type, <span class="keyword">auto</span> Candidate, <span class="keyword">typename</span> Policy, std::size_t... Indexes&gt;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;meta_any invoke([[maybe_unused]] meta_any instance, meta_any *args, std::index_sequence&lt;Indexes...&gt;) {</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keyword">using</span> helper_type = meta_function_helper_t&lt;decltype(Candidate)&gt;;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keyword">auto</span> dispatch = [](<span class="keyword">auto</span> *... params) {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_void_v&lt;typename helper_type::return_type&gt; || std::is_same_v&lt;Policy, as_void_t&gt;) {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; std::invoke(Candidate, *params...);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="keywordflow">return</span> meta_any{std::in_place_type&lt;void&gt;};</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> constexpr(std::is_same_v&lt;Policy, as_alias_t&gt;) {</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keywordflow">return</span> meta_any{std::ref(std::invoke(Candidate, *params...))};</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; static_assert(std::is_same_v&lt;Policy, as_is_t&gt;);</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="keywordflow">return</span> meta_any{std::invoke(Candidate, *params...)};</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; };</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; [[maybe_unused]] <span class="keyword">const</span> <span class="keyword">auto</span> direct = std::make_tuple([](meta_any *any, <span class="keyword">auto</span> *value) {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keyword">using</span> arg_type = std::remove_reference_t&lt;decltype(*value)&gt;;</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; <span class="keywordflow">if</span>(!value &amp;&amp; any-&gt;convert&lt;arg_type&gt;()) {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; value = any-&gt;try_cast&lt;arg_type&gt;();</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordflow">return</span> value;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; }(args+Indexes, (args+Indexes)-&gt;try_cast&lt;std::tuple_element_t&lt;Indexes, typename helper_type::args_type&gt;&gt;())...);</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; <span class="keywordflow">if</span> constexpr(std::is_function_v&lt;std::remove_reference_t&lt;std::remove_pointer_t&lt;decltype(Candidate)&gt;&gt;&gt;) {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordflow">return</span> (std::get&lt;Indexes&gt;(direct) &amp;&amp; ...) ? dispatch(std::get&lt;Indexes&gt;(direct)...) : meta_any{};</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> clazz = instance.try_cast&lt;Type&gt;();</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keywordflow">return</span> (clazz &amp;&amp; (std::get&lt;Indexes&gt;(direct) &amp;&amp; ...)) ? dispatch(clazz, std::get&lt;Indexes&gt;(direct)...) : meta_any{};</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;}</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; </div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;}</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; </div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; </div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span>...&gt;</div>
<div class="line"><a name="l00249"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory.html"> 249</a></span>&#160;<span class="keyword">class </span><a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>;</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; </div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; </div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Type, <span class="keyword">typename</span>... Spec&gt;</div>
<div class="line"><a name="l00258"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html"> 258</a></span>&#160;<span class="keyword">class </span><a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type, Spec...&gt;: <span class="keyword">public</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type&gt; {</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="keywordtype">bool</span> exists(<span class="keyword">const</span> <a class="code" href="classentt_1_1meta__any.html">meta_any</a> &amp;key, <span class="keyword">const</span> internal::meta_prop_node *node) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; <span class="keywordflow">return</span> node &amp;&amp; (node-&gt;key() == key || exists(key, node-&gt;next));</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; }</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; </div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keyword">template</span>&lt;std::size_t Step = 0, std::size_t... Index, <span class="keyword">typename</span>... Property, <span class="keyword">typename</span>... Other&gt;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keywordtype">void</span> unpack(std::index_sequence&lt;Index...&gt;, std::tuple&lt;Property...&gt; property, Other &amp;&amp;... other) {</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; unroll&lt;Step&gt;(choice&lt;3&gt;, std::move(std::get&lt;Index&gt;(property))..., std::forward&lt;Other&gt;(other)...);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; }</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; </div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <span class="keyword">template</span>&lt;std::size_t Step = 0, <span class="keyword">typename</span>... Property, <span class="keyword">typename</span>... Other&gt;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="keywordtype">void</span> unroll(<a class="code" href="structentt_1_1choice__t.html">choice_t&lt;3&gt;</a>, std::tuple&lt;Property...&gt; property, Other &amp;&amp;... other) {</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; unpack&lt;Step&gt;(std::index_sequence_for&lt;Property...&gt;{}, std::move(property), std::forward&lt;Other&gt;(other)...);</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; }</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; </div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="keyword">template</span>&lt;std::size_t Step = 0, <span class="keyword">typename</span>... Property, <span class="keyword">typename</span>... Other&gt;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; <span class="keywordtype">void</span> unroll(<a class="code" href="structentt_1_1choice__t.html">choice_t&lt;2&gt;</a>, std::pair&lt;Property...&gt; property, Other &amp;&amp;... other) {</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; assign&lt;Step&gt;(std::move(property.first), std::move(property.second));</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; unroll&lt;Step+1&gt;(choice&lt;3&gt;, std::forward&lt;Other&gt;(other)...);</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; }</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; </div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; <span class="keyword">template</span>&lt;std::size_t Step = 0, <span class="keyword">typename</span> Property, <span class="keyword">typename</span>... Other&gt;</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; std::enable_if_t&lt;!std::is_invocable_v&lt;Property&gt;&gt;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; unroll(<a class="code" href="structentt_1_1choice__t.html">choice_t&lt;1&gt;</a>, Property &amp;&amp;property, Other &amp;&amp;... other) {</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; assign&lt;Step&gt;(std::forward&lt;Property&gt;(property));</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; unroll&lt;Step+1&gt;(choice&lt;3&gt;, std::forward&lt;Other&gt;(other)...);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; }</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; <span class="keyword">template</span>&lt;std::size_t Step = 0, <span class="keyword">typename</span> Func, <span class="keyword">typename</span>... Other&gt;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; <span class="keywordtype">void</span> unroll(<a class="code" href="structentt_1_1choice__t_3_010_01_4.html">choice_t&lt;0&gt;</a>, Func &amp;&amp;invocable, Other &amp;&amp;... other) {</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; unroll&lt;Step&gt;(choice&lt;3&gt;, std::forward&lt;Func&gt;(invocable)(), std::forward&lt;Other&gt;(other)...);</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; }</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; </div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; <span class="keyword">template</span>&lt;std::<span class="keywordtype">size_t</span>&gt;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; <span class="keywordtype">void</span> unroll(<a class="code" href="structentt_1_1choice__t_3_010_01_4.html">choice_t&lt;0&gt;</a>) {}</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; <span class="keyword">template</span>&lt;std::size_t = 0, <span class="keyword">typename</span> Key, <span class="keyword">typename</span>... Value&gt;</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; <span class="keywordtype">void</span> assign(Key &amp;&amp;key, Value &amp;&amp;... value) {</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">auto</span> <span class="keyword">property</span>{std::make_tuple(std::forward&lt;Key&gt;(key), std::forward&lt;Value&gt;(value)...)};</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; </div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; <span class="keyword">static</span> internal::meta_prop_node node{</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; []() -&gt; <a class="code" href="classentt_1_1meta__any.html">meta_any</a> {</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="keywordflow">return</span> std::get&lt;0&gt;(property);</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; },</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; []() -&gt; <a class="code" href="classentt_1_1meta__any.html">meta_any</a> {</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; <span class="keywordflow">if</span> constexpr(<span class="keyword">sizeof</span>...(Value) == 0) {</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <span class="keywordflow">return</span> {};</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; <span class="keywordflow">return</span> std::get&lt;1&gt;(property);</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; }</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; }</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; };</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; ENTT_ASSERT(!exists(node.key(), *curr));</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; node.next = *curr;</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; *curr = &amp;node;</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; }</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; </div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00322"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html#a125816c3f48f388a4221031eff47a7b5"> 322</a></span>&#160; <a class="code" href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html#a125816c3f48f388a4221031eff47a7b5">meta_factory</a>(entt::internal::meta_prop_node **target) ENTT_NOEXCEPT</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; : curr{target}</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; {}</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; </div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> PropertyOrKey, <span class="keyword">typename</span>... Value&gt;</div>
<div class="line"><a name="l00338"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html#ae0869aeab7f26e4a98c02cc45ee115cd"> 338</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html#ae0869aeab7f26e4a98c02cc45ee115cd">prop</a>(PropertyOrKey &amp;&amp;property_or_key, Value &amp;&amp;... value) &amp;&amp; {</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; <span class="keywordflow">if</span> constexpr(<span class="keyword">sizeof</span>...(Value) == 0) {</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; unroll(choice&lt;3&gt;, std::forward&lt;PropertyOrKey&gt;(property_or_key));</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; assign(std::forward&lt;PropertyOrKey&gt;(property_or_key), std::forward&lt;Value&gt;(value)...);</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; }</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; </div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type, Spec..., PropertyOrKey, Value...&gt;{curr};</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; }</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; </div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span>... Property&gt;</div>
<div class="line"><a name="l00359"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html#aaf64cc4c2a8feaf7e37f95be39775d5f"> 359</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html#aaf64cc4c2a8feaf7e37f95be39775d5f">props</a>(Property... property) &amp;&amp; {</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; unroll(choice&lt;3&gt;, std::forward&lt;Property&gt;(property)...);</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type, Spec..., Property...&gt;{curr};</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; }</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; </div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; entt::internal::meta_prop_node **curr;</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160;};</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; </div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Type&gt;</div>
<div class="line"><a name="l00374"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html"> 374</a></span>&#160;<span class="keyword">class </span><a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type&gt; {</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Node&gt;</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; <span class="keywordtype">bool</span> exists(<span class="keyword">const</span> Node *candidate, <span class="keyword">const</span> Node *node) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; <span class="keywordflow">return</span> node &amp;&amp; (node == candidate || exists(candidate, node-&gt;next));</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; }</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; </div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Node&gt;</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; <span class="keywordtype">bool</span> exists(<span class="keyword">const</span> ENTT_ID_TYPE alias, <span class="keyword">const</span> Node *node) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; <span class="keywordflow">return</span> node &amp;&amp; (node-&gt;alias == alias || exists(alias, node-&gt;next));</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; }</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; </div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00391"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#aa5534212db7d2c59653f45491aae7041"> 391</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#aa5534212db7d2c59653f45491aae7041">alias</a>(<span class="keyword">const</span> ENTT_ID_TYPE value) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> node = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; </div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; ENTT_ASSERT(!exists(value, *internal::meta_info&lt;&gt;::global));</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; ENTT_ASSERT(!exists(node, *internal::meta_info&lt;&gt;::global));</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; node-&gt;alias = value;</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; node-&gt;next = *internal::meta_info&lt;&gt;::global;</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; *internal::meta_info&lt;&gt;::global = node;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; </div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory&lt;Type, Type&gt;</a>{&amp;node-&gt;prop};</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; }</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; </div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; [[deprecated(<span class="stringliteral">&quot;Use ::alias instead&quot;</span>)]]</div>
<div class="line"><a name="l00405"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#a824549cdf3560a0bb11341880fae83b9"> 405</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#a824549cdf3560a0bb11341880fae83b9">type</a>(<span class="keyword">const</span> ENTT_ID_TYPE value) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; <span class="keywordflow">return</span> alias(value);</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; }</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; </div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Base&gt;</div>
<div class="line"><a name="l00418"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#a2387e5bc85a87e3c936d82a956805bfb"> 418</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#a2387e5bc85a87e3c936d82a956805bfb">base</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160; static_assert(std::is_base_of_v&lt;Base, Type&gt;);</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> type = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; </div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; <span class="keyword">static</span> internal::meta_base_node node{</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160; type,</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; &amp;internal::meta_info&lt;Base&gt;::resolve,</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160; [](<span class="keywordtype">void</span> *instance) ENTT_NOEXCEPT -&gt; <span class="keywordtype">void</span> * {</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="keywordflow">return</span> static_cast&lt;Base *&gt;(static_cast&lt;Type *&gt;(instance));</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; }</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; };</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; </div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160; ENTT_ASSERT(!exists(&amp;node, type-&gt;base));</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; node.next = type-&gt;base;</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; type-&gt;base = &amp;node;</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; </div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html">meta_factory&lt;Type&gt;</a>{};</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160; }</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160; </div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> To&gt;</div>
<div class="line"><a name="l00448"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#ad4245f8f4aa5209fbd8f48fbba195c7b"> 448</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#ad4245f8f4aa5209fbd8f48fbba195c7b">conv</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>&#160; static_assert(std::is_convertible_v&lt;Type, To&gt;);</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> type = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>&#160; </div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160; <span class="keyword">static</span> internal::meta_conv_node node{</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>&#160; type,</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>&#160; &amp;internal::meta_info&lt;To&gt;::resolve,</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160; [](<span class="keyword">const</span> <span class="keywordtype">void</span> *instance) -&gt; <a class="code" href="classentt_1_1meta__any.html">meta_any</a> {</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>&#160; <span class="keywordflow">return</span> static_cast&lt;To&gt;(*static_cast&lt;const Type *&gt;(instance));</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>&#160; }</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>&#160; };</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>&#160; </div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>&#160; ENTT_ASSERT(!exists(&amp;node, type-&gt;conv));</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>&#160; node.next = type-&gt;conv;</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>&#160; type-&gt;conv = &amp;node;</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>&#160; </div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html">meta_factory&lt;Type&gt;</a>{};</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>&#160; }</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>&#160; </div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>&#160; <span class="keyword">template</span>&lt;auto Cand<span class="keywordtype">id</span>ate&gt;</div>
<div class="line"><a name="l00481"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#ad4245f8f4aa5209fbd8f48fbba195c7b"> 481</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#ad4245f8f4aa5209fbd8f48fbba195c7b">conv</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>&#160; <span class="keyword">using</span> conv_type = std::invoke_result_t&lt;decltype(Candidate), Type &amp;&gt;;</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> type = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>&#160; </div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>&#160; <span class="keyword">static</span> internal::meta_conv_node node{</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>&#160; type,</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>&#160; &amp;internal::meta_info&lt;conv_type&gt;::resolve,</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>&#160; [](<span class="keyword">const</span> <span class="keywordtype">void</span> *instance) -&gt; <a class="code" href="classentt_1_1meta__any.html">meta_any</a> {</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>&#160; <span class="keywordflow">return</span> std::invoke(Candidate, *static_cast&lt;const Type *&gt;(instance));</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>&#160; }</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>&#160; };</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>&#160; </div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>&#160; ENTT_ASSERT(!exists(&amp;node, type-&gt;conv));</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>&#160; node.next = type-&gt;conv;</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>&#160; type-&gt;conv = &amp;node;</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>&#160; </div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html">meta_factory&lt;Type&gt;</a>{};</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>&#160; }</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>&#160; </div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>&#160; <span class="keyword">template</span>&lt;auto Func, <span class="keyword">typename</span> Policy = as_is_t&gt;</div>
<div class="line"><a name="l00515"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#a29514cae07fc5df16b6c73ffb5ffa73b"> 515</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#a29514cae07fc5df16b6c73ffb5ffa73b">ctor</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>&#160; <span class="keyword">using</span> helper_type = internal::meta_function_helper_t&lt;decltype(Func)&gt;;</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>&#160; static_assert(std::is_same_v&lt;typename helper_type::return_type, Type&gt;);</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> type = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>&#160; </div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>&#160; <span class="keyword">static</span> internal::meta_ctor_node node{</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>&#160; type,</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>&#160; helper_type::index_sequence.size(),</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>&#160; &amp;helper_type::arg,</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>&#160; [](<a class="code" href="classentt_1_1meta__any.html">meta_any</a> * <span class="keyword">const</span> any) {</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>&#160; <span class="keywordflow">return</span> internal::invoke&lt;Type, Func, Policy&gt;({}, any, helper_type::index_sequence);</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>&#160; }</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>&#160; };</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>&#160; </div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>&#160; ENTT_ASSERT(!exists(&amp;node, type-&gt;ctor));</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>&#160; node.next = type-&gt;ctor;</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>&#160; type-&gt;ctor = &amp;node;</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>&#160; </div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type, std::integral_constant&lt;decltype(Func), Func&gt;&gt;{&amp;node.prop};</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>&#160; }</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>&#160; </div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span>... Args&gt;</div>
<div class="line"><a name="l00549"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#ab9206cfe67bec72e6bfce975fbf5b955"> 549</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#ab9206cfe67bec72e6bfce975fbf5b955">ctor</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>&#160; <span class="keyword">using</span> helper_type = internal::meta_function_helper_t&lt;Type(*)(Args...)&gt;;</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> type = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>&#160; </div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>&#160; <span class="keyword">static</span> internal::meta_ctor_node node{</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>&#160; type,</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>&#160; helper_type::index_sequence.size(),</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>&#160; &amp;helper_type::arg,</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>&#160; [](<a class="code" href="classentt_1_1meta__any.html">meta_any</a> * <span class="keyword">const</span> any) {</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>&#160; <span class="keywordflow">return</span> internal::construct&lt;Type, std::remove_cv_t&lt;std::remove_reference_t&lt;Args&gt;&gt;...&gt;(any, helper_type::index_sequence);</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>&#160; }</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>&#160; };</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>&#160; </div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>&#160; ENTT_ASSERT(!exists(&amp;node, type-&gt;ctor));</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>&#160; node.next = type-&gt;ctor;</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>&#160; type-&gt;ctor = &amp;node;</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>&#160; </div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type, Type(Args...)&gt;{&amp;node.prop};</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>&#160; }</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>&#160; </div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>&#160; <span class="keyword">template</span>&lt;auto Func&gt;</div>
<div class="line"><a name="l00588"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#a754b47db9b2432042d7ac23e480fdc4b"> 588</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#a754b47db9b2432042d7ac23e480fdc4b">dtor</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>&#160; static_assert(std::is_invocable_v&lt;decltype(Func), Type &amp;&gt;);</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> type = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>&#160; </div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>&#160; <span class="keyword">static</span> internal::meta_dtor_node node{</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>&#160; type,</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>&#160; [](<span class="keywordtype">void</span> *instance) {</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>&#160; <span class="keywordflow">if</span>(instance) {</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>&#160; std::invoke(Func, *static_cast&lt;Type *&gt;(instance));</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>&#160; }</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>&#160; }</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>&#160; };</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>&#160; </div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>&#160; ENTT_ASSERT(!type-&gt;dtor);</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>&#160; type-&gt;dtor = &amp;node;</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>&#160; </div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html">meta_factory&lt;Type&gt;</a>{};</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>&#160; }</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>&#160; </div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>&#160; <span class="keyword">template</span>&lt;auto Data, <span class="keyword">typename</span> Policy = as_is_t&gt;</div>
<div class="line"><a name="l00621"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#a6bf7273382963aa11eb935c6883acede"> 621</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#a6bf7273382963aa11eb935c6883acede">data</a>(<span class="keyword">const</span> ENTT_ID_TYPE alias) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> type = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>&#160; internal::meta_data_node *curr = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>&#160; </div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>&#160; <span class="keywordflow">if</span> constexpr(std::is_same_v&lt;Type, decltype(Data)&gt;) {</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>&#160; static_assert(std::is_same_v&lt;Policy, as_is_t&gt;);</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>&#160; </div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>&#160; <span class="keyword">static</span> internal::meta_data_node node{</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>&#160; {},</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>&#160; type,</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>&#160; <span class="keyword">true</span>,</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>&#160; <span class="keyword">true</span>,</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>&#160; &amp;internal::meta_info&lt;Type&gt;::resolve,</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>&#160; [](<a class="code" href="classentt_1_1meta__any.html">meta_any</a>, <a class="code" href="classentt_1_1meta__any.html">meta_any</a>, <a class="code" href="classentt_1_1meta__any.html">meta_any</a>) { <span class="keywordflow">return</span> <span class="keyword">false</span>; },</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>&#160; [](<a class="code" href="classentt_1_1meta__any.html">meta_any</a>, <a class="code" href="classentt_1_1meta__any.html">meta_any</a>) -&gt; <a class="code" href="classentt_1_1meta__any.html">meta_any</a> { <span class="keywordflow">return</span> Data; }</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>&#160; };</div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>&#160; </div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>&#160; curr = &amp;node;</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> constexpr(std::is_member_object_pointer_v&lt;decltype(Data)&gt;) {</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>&#160; <span class="keyword">using</span> data_type = std::remove_reference_t&lt;decltype(std::declval&lt;Type&gt;().*Data)&gt;;</div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>&#160; </div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>&#160; <span class="keyword">static</span> internal::meta_data_node node{</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>&#160; {},</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>&#160; type,</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>&#160; std::is_const_v&lt;data_type&gt;,</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>&#160; !std::is_member_object_pointer_v&lt;decltype(Data)&gt;,</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>&#160; &amp;internal::meta_info&lt;data_type&gt;::resolve,</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>&#160; &amp;internal::setter&lt;std::is_const_v&lt;data_type&gt;, Type, Data&gt;,</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>&#160; &amp;internal::getter&lt;Type, Data, Policy&gt;</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>&#160; };</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>&#160; </div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>&#160; curr = &amp;node;</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>&#160; static_assert(std::is_pointer_v&lt;std::decay_t&lt;decltype(Data)&gt;&gt;);</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>&#160; <span class="keyword">using</span> data_type = std::remove_pointer_t&lt;std::decay_t&lt;decltype(Data)&gt;&gt;;</div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>&#160; </div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>&#160; <span class="keyword">static</span> internal::meta_data_node node{</div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>&#160; {},</div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>&#160; type,</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>&#160; std::is_const_v&lt;data_type&gt;,</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>&#160; !std::is_member_object_pointer_v&lt;decltype(Data)&gt;,</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>&#160; &amp;internal::meta_info&lt;data_type&gt;::resolve,</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>&#160; &amp;internal::setter&lt;std::is_const_v&lt;data_type&gt;, Type, Data&gt;,</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>&#160; &amp;internal::getter&lt;Type, Data, Policy&gt;</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>&#160; };</div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>&#160; </div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>&#160; curr = &amp;node;</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>&#160; }</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>&#160; </div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>&#160; ENTT_ASSERT(!exists(alias, type-&gt;data));</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>&#160; ENTT_ASSERT(!exists(curr, type-&gt;data));</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>&#160; curr-&gt;alias = alias;</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>&#160; curr-&gt;next = type-&gt;data;</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>&#160; type-&gt;data = curr;</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>&#160; </div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type, std::integral_constant&lt;decltype(Data), Data&gt;&gt;{&amp;curr-&gt;prop};</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>&#160; }</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>&#160; </div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>&#160; <span class="keyword">template</span>&lt;auto Setter, auto Getter, <span class="keyword">typename</span> Policy = as_is_t&gt;</div>
<div class="line"><a name="l00706"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#a05c76bf25e57166b5bfca18f7b79778c"> 706</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#a05c76bf25e57166b5bfca18f7b79778c">data</a>(<span class="keyword">const</span> ENTT_ID_TYPE alias) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>&#160; <span class="keyword">using</span> underlying_type = std::invoke_result_t&lt;decltype(Getter), Type &amp;&gt;;</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>&#160; static_assert(std::is_invocable_v&lt;decltype(Setter), Type &amp;, underlying_type&gt;);</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> type = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>&#160; </div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>&#160; <span class="keyword">static</span> internal::meta_data_node node{</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>&#160; {},</div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>&#160; type,</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>&#160; &amp;internal::meta_info&lt;underlying_type&gt;::resolve,</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>&#160; &amp;internal::setter&lt;false, Type, Setter&gt;,</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>&#160; &amp;internal::getter&lt;Type, Getter, Policy&gt;</div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>&#160; };</div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>&#160; </div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>&#160; ENTT_ASSERT(!exists(alias, type-&gt;data));</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>&#160; ENTT_ASSERT(!exists(&amp;node, type-&gt;data));</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>&#160; node.alias = alias;</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>&#160; node.next = type-&gt;data;</div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>&#160; type-&gt;data = &amp;node;</div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>&#160; </div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type, std::integral_constant&lt;decltype(Setter), Setter&gt;, std::integral_constant&lt;decltype(Getter), Getter&gt;&gt;{&amp;node.prop};</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>&#160; }</div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>&#160; </div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>&#160; <span class="keyword">template</span>&lt;auto Cand<span class="keywordtype">id</span>ate, <span class="keyword">typename</span> Policy = as_is_t&gt;</div>
<div class="line"><a name="l00746"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#aacd312f2d1c9b49887d496f531b2d3e2"> 746</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#aacd312f2d1c9b49887d496f531b2d3e2">func</a>(<span class="keyword">const</span> ENTT_ID_TYPE alias) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>&#160; <span class="keyword">using</span> helper_type = internal::meta_function_helper_t&lt;decltype(Candidate)&gt;;</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> type = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>&#160; </div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>&#160; <span class="keyword">static</span> internal::meta_func_node node{</div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>&#160; {},</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>&#160; type,</div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>&#160; <span class="keyword">nullptr</span>,</div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>&#160; helper_type::index_sequence.size(),</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>&#160; helper_type::is_const,</div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>&#160; !std::is_member_function_pointer_v&lt;decltype(Candidate)&gt;,</div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>&#160; &amp;internal::meta_info&lt;std::conditional_t&lt;std::is_same_v&lt;Policy, as_void_t&gt;, void, <span class="keyword">typename</span> helper_type::return_type&gt;&gt;<a class="code" href="namespaceentt.html#a2129cb8668f5dcbc11854be6a4a0b6e5">::resolve</a>,</div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>&#160; &amp;helper_type::arg,</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>&#160; [](<a class="code" href="classentt_1_1meta__any.html">meta_any</a> instance, <a class="code" href="classentt_1_1meta__any.html">meta_any</a> *args) {</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>&#160; <span class="keywordflow">return</span> internal::invoke&lt;Type, Candidate, Policy&gt;(std::move(instance), args, helper_type::index_sequence);</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>&#160; }</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>&#160; };</div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>&#160; </div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>&#160; ENTT_ASSERT(!exists(alias, type-&gt;func));</div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>&#160; ENTT_ASSERT(!exists(&amp;node, type-&gt;func));</div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>&#160; node.alias = alias;</div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>&#160; node.next = type-&gt;func;</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>&#160; type-&gt;func = &amp;node;</div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>&#160; </div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory</a>&lt;Type, std::integral_constant&lt;decltype(Candidate), Candidate&gt;&gt;{&amp;node.prop};</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>&#160; }</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>&#160; </div>
<div class="line"><a name="l00784"></a><span class="lineno"><a class="line" href="classentt_1_1meta__factory_3_01Type_01_4.html#a2a88c270992fe8022fa3d9b9596621de"> 784</a></span>&#160; <span class="keyword">auto</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html#a2a88c270992fe8022fa3d9b9596621de">reset</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> node = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>&#160; <span class="keyword">auto</span> **it = internal::meta_info&lt;&gt;::global;</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>&#160; </div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>&#160; <span class="keywordflow">while</span>(*it &amp;&amp; *it != node) {</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>&#160; it = &amp;(*it)-&gt;next;</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>&#160; }</div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>&#160; </div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>&#160; <span class="keywordflow">if</span>(*it) {</div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>&#160; *it = (*it)-&gt;next;</div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>&#160; }</div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>&#160; </div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> unregister_all = <a class="code" href="structentt_1_1y__combinator.html">y_combinator</a>{</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>&#160; [](<span class="keyword">auto</span> &amp;&amp;<span class="keyword">self</span>, <span class="keyword">auto</span> **curr, <span class="keyword">auto</span>... member) {</div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>&#160; <span class="keywordflow">while</span>(*curr) {</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>&#160; <span class="keyword">auto</span> *prev = *curr;</div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>&#160; (<span class="keyword">self</span>(&amp;(prev-&gt;*member)), ...);</div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>&#160; *curr = prev-&gt;next;</div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>&#160; prev-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>&#160; }</div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>&#160; }</div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>&#160; };</div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>&#160; </div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>&#160; unregister_all(&amp;node-&gt;prop);</div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>&#160; unregister_all(&amp;node-&gt;base);</div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>&#160; unregister_all(&amp;node-&gt;conv);</div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>&#160; unregister_all(&amp;node-&gt;ctor, &amp;internal::meta_ctor_node::prop);</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>&#160; unregister_all(&amp;node-&gt;data, &amp;internal::meta_data_node::prop);</div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>&#160; unregister_all(&amp;node-&gt;func, &amp;internal::meta_func_node::prop);</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>&#160; </div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>&#160; node-&gt;alias = {};</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>&#160; node-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>&#160; node-&gt;dtor = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>&#160; </div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory&lt;Type, Type&gt;</a>{&amp;node-&gt;prop};</div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>&#160; }</div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>&#160;};</div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>&#160; </div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>&#160; </div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Type&gt;</div>
<div class="line"><a name="l00835"></a><span class="lineno"><a class="line" href="namespaceentt.html#ab79e77dca50a2a5d78ce51db8a0a68e5"> 835</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="classentt_1_1meta__factory_3_01Type_01_4.html">meta_factory&lt;Type&gt;</a> <a class="code" href="namespaceentt.html#ab79e77dca50a2a5d78ce51db8a0a68e5">meta</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>&#160; <span class="keyword">auto</span> * <span class="keyword">const</span> node = internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>&#160; <span class="comment">// extended meta factory to allow assigning properties to opaque meta types</span></div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1meta__factory.html">meta_factory&lt;Type, Type&gt;</a>{&amp;node-&gt;prop};</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>&#160;}</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>&#160; </div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>&#160; </div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Type&gt;</div>
<div class="line"><a name="l00848"></a><span class="lineno"><a class="line" href="namespaceentt.html#a2129cb8668f5dcbc11854be6a4a0b6e5"> 848</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="classentt_1_1meta__type.html">meta_type</a> <a class="code" href="namespaceentt.html#a2129cb8668f5dcbc11854be6a4a0b6e5">resolve</a>() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>&#160; <span class="keywordflow">return</span> internal::meta_info&lt;Type&gt;::resolve();</div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>&#160;}</div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>&#160; </div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>&#160; </div>
<div class="line"><a name="l00858"></a><span class="lineno"><a class="line" href="namespaceentt.html#a8e77805cfb78b9f90d82f88de30a1447"> 858</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="classentt_1_1meta__type.html">meta_type</a> <a class="code" href="namespaceentt.html#a2129cb8668f5dcbc11854be6a4a0b6e5">resolve</a>(<span class="keyword">const</span> ENTT_ID_TYPE alias) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>&#160; <span class="keywordflow">return</span> internal::find_if([alias](<span class="keyword">const</span> <span class="keyword">auto</span> *curr) {</div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>&#160; <span class="keywordflow">return</span> curr-&gt;alias == alias;</div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>&#160; }, *internal::meta_info&lt;&gt;::global);</div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>&#160;}</div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>&#160; </div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>&#160; </div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Op&gt;</div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>&#160;<span class="keyword">inline</span> std::enable_if_t&lt;std::is_invocable_v&lt;Op, meta_type&gt;, <span class="keywordtype">void</span>&gt;</div>
<div class="line"><a name="l00872"></a><span class="lineno"><a class="line" href="namespaceentt.html#a4251b4d9800b289425b2bb0471908257"> 872</a></span>&#160;<a class="code" href="namespaceentt.html#a2129cb8668f5dcbc11854be6a4a0b6e5">resolve</a>(Op op) {</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>&#160; internal::visit&lt;meta_type&gt;(std::move(op), *internal::meta_info&lt;&gt;::global);</div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>&#160;}</div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>&#160; </div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>&#160; </div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>&#160;}</div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>&#160; </div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>&#160; </div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>&#160;<span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_a05c76bf25e57166b5bfca18f7b79778c"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#a05c76bf25e57166b5bfca18f7b79778c">entt::meta_factory&lt; Type &gt;::data</a></div><div class="ttdeci">auto data(const ENTT_ID_TYPE alias) ENTT_NOEXCEPT</div><div class="ttdoc">Assigns a meta data to a meta type by means of its setter and getter.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00706">factory.hpp:706</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__any_html"><div class="ttname"><a href="classentt_1_1meta__any.html">entt::meta_any</a></div><div class="ttdoc">Opaque container for values of any type.</div><div class="ttdef"><b>Definition:</b> <a href="meta_8hpp_source.html#l00266">meta.hpp:266</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4_html_a125816c3f48f388a4221031eff47a7b5"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html#a125816c3f48f388a4221031eff47a7b5">entt::meta_factory&lt; Type, Spec... &gt;::meta_factory</a></div><div class="ttdeci">meta_factory(entt::internal::meta_prop_node **target) ENTT_NOEXCEPT</div><div class="ttdoc">Constructs an extended factory from a given node.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00322">factory.hpp:322</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_a2387e5bc85a87e3c936d82a956805bfb"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#a2387e5bc85a87e3c936d82a956805bfb">entt::meta_factory&lt; Type &gt;::base</a></div><div class="ttdeci">auto base() ENTT_NOEXCEPT</div><div class="ttdoc">Assigns a meta base to a meta type.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00418">factory.hpp:418</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_a29514cae07fc5df16b6c73ffb5ffa73b"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#a29514cae07fc5df16b6c73ffb5ffa73b">entt::meta_factory&lt; Type &gt;::ctor</a></div><div class="ttdeci">auto ctor() ENTT_NOEXCEPT</div><div class="ttdoc">Assigns a meta constructor to a meta type.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00515">factory.hpp:515</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_a824549cdf3560a0bb11341880fae83b9"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#a824549cdf3560a0bb11341880fae83b9">entt::meta_factory&lt; Type &gt;::type</a></div><div class="ttdeci">auto type(const ENTT_ID_TYPE value) ENTT_NOEXCEPT</div><div class="ttdoc">Extends a meta type by assigning it an alias.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00405">factory.hpp:405</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_aa5534212db7d2c59653f45491aae7041"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#aa5534212db7d2c59653f45491aae7041">entt::meta_factory&lt; Type &gt;::alias</a></div><div class="ttdeci">auto alias(const ENTT_ID_TYPE value) ENTT_NOEXCEPT</div><div class="ttdoc">Extends a meta type by assigning it an alias.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00391">factory.hpp:391</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_ad4245f8f4aa5209fbd8f48fbba195c7b"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#ad4245f8f4aa5209fbd8f48fbba195c7b">entt::meta_factory&lt; Type &gt;::conv</a></div><div class="ttdeci">auto conv() ENTT_NOEXCEPT</div><div class="ttdoc">Assigns a meta conversion function to a meta type.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00448">factory.hpp:448</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_a2a88c270992fe8022fa3d9b9596621de"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#a2a88c270992fe8022fa3d9b9596621de">entt::meta_factory&lt; Type &gt;::reset</a></div><div class="ttdeci">auto reset() ENTT_NOEXCEPT</div><div class="ttdoc">Resets a meta type and all its parts.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00784">factory.hpp:784</a></div></div>
<div class="ttc" id="anamespaceentt_html_a2129cb8668f5dcbc11854be6a4a0b6e5"><div class="ttname"><a href="namespaceentt.html#a2129cb8668f5dcbc11854be6a4a0b6e5">entt::resolve</a></div><div class="ttdeci">meta_type resolve() ENTT_NOEXCEPT</div><div class="ttdoc">Returns the meta type associated with a given type.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00848">factory.hpp:848</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_html"><div class="ttname"><a href="classentt_1_1meta__factory.html">entt::meta_factory</a></div><div class="ttdoc">Meta factory to be used for reflection purposes.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00249">factory.hpp:249</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_a754b47db9b2432042d7ac23e480fdc4b"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#a754b47db9b2432042d7ac23e480fdc4b">entt::meta_factory&lt; Type &gt;::dtor</a></div><div class="ttdeci">auto dtor() ENTT_NOEXCEPT</div><div class="ttdoc">Assigns a meta destructor to a meta type.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00588">factory.hpp:588</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4_html_ae0869aeab7f26e4a98c02cc45ee115cd"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html#ae0869aeab7f26e4a98c02cc45ee115cd">entt::meta_factory&lt; Type, Spec... &gt;::prop</a></div><div class="ttdeci">auto prop(PropertyOrKey &amp;&amp;property_or_key, Value &amp;&amp;... value) &amp;&amp;</div><div class="ttdoc">Assigns a property to the last meta object created.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00338">factory.hpp:338</a></div></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="algorithm_8hpp_source.html#l00013">algorithm.hpp:13</a></div></div>
<div class="ttc" id="astructentt_1_1y__combinator_html"><div class="ttname"><a href="structentt_1_1y__combinator.html">entt::y_combinator</a></div><div class="ttdoc">Basic implementation of a y-combinator.</div><div class="ttdef"><b>Definition:</b> <a href="utility_8hpp_source.html#l00071">utility.hpp:71</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4_html_aaf64cc4c2a8feaf7e37f95be39775d5f"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_00_01Spec_8_8_8_01_4.html#aaf64cc4c2a8feaf7e37f95be39775d5f">entt::meta_factory&lt; Type, Spec... &gt;::props</a></div><div class="ttdeci">auto props(Property... property) &amp;&amp;</div><div class="ttdoc">Assigns properties to the last meta object created.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00359">factory.hpp:359</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_ab9206cfe67bec72e6bfce975fbf5b955"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#ab9206cfe67bec72e6bfce975fbf5b955">entt::meta_factory&lt; Type &gt;::ctor</a></div><div class="ttdeci">auto ctor() ENTT_NOEXCEPT</div><div class="ttdoc">Assigns a meta constructor to a meta type.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00549">factory.hpp:549</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__type_html"><div class="ttname"><a href="classentt_1_1meta__type.html">entt::meta_type</a></div><div class="ttdoc">Opaque container for meta types.</div><div class="ttdef"><b>Definition:</b> <a href="meta_8hpp_source.html#l01126">meta.hpp:1126</a></div></div>
<div class="ttc" id="astructentt_1_1choice__t_3_010_01_4_html"><div class="ttname"><a href="structentt_1_1choice__t_3_010_01_4.html">entt::choice_t&lt; 0 &gt;</a></div><div class="ttdoc">Utility class to disambiguate overloaded functions.</div><div class="ttdef"><b>Definition:</b> <a href="type__traits_8hpp_source.html#l00030">type_traits.hpp:30</a></div></div>
<div class="ttc" id="anamespaceentt_html_ab79e77dca50a2a5d78ce51db8a0a68e5"><div class="ttname"><a href="namespaceentt.html#ab79e77dca50a2a5d78ce51db8a0a68e5">entt::meta</a></div><div class="ttdeci">meta_factory&lt; Type &gt; meta() ENTT_NOEXCEPT</div><div class="ttdoc">Utility function to use for reflection.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00835">factory.hpp:835</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html">entt::meta_factory&lt; Type &gt;</a></div><div class="ttdoc">Basic meta factory to be used for reflection purposes.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00374">factory.hpp:374</a></div></div>
<div class="ttc" id="astructentt_1_1choice__t_html"><div class="ttname"><a href="structentt_1_1choice__t.html">entt::choice_t</a></div><div class="ttdoc">Utility class to disambiguate overloaded functions.</div><div class="ttdef"><b>Definition:</b> <a href="type__traits_8hpp_source.html#l00020">type_traits.hpp:20</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_aacd312f2d1c9b49887d496f531b2d3e2"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#aacd312f2d1c9b49887d496f531b2d3e2">entt::meta_factory&lt; Type &gt;::func</a></div><div class="ttdeci">auto func(const ENTT_ID_TYPE alias) ENTT_NOEXCEPT</div><div class="ttdoc">Assigns a meta funcion to a meta type.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00746">factory.hpp:746</a></div></div>
<div class="ttc" id="aclassentt_1_1meta__factory_3_01Type_01_4_html_a6bf7273382963aa11eb935c6883acede"><div class="ttname"><a href="classentt_1_1meta__factory_3_01Type_01_4.html#a6bf7273382963aa11eb935c6883acede">entt::meta_factory&lt; Type &gt;::data</a></div><div class="ttdeci">auto data(const ENTT_ID_TYPE alias) ENTT_NOEXCEPT</div><div class="ttdoc">Assigns a meta data to a meta type.</div><div class="ttdef"><b>Definition:</b> <a href="factory_8hpp_source.html#l00621">factory.hpp:621</a></div></div>
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