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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_66e9674e8206a335795995fa32a03c91.html">entt</a></li><li class="navelem"><a class="el" href="dir_de8f4e6ba3f54a2a21309f742e93a373.html">core</a></li> </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef ENTT_CORE_IDENT_HPP</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_CORE_IDENT_HPP</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <cstddef></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <tuple></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "../config/config.h"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span>internal {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">template</span><<span class="keyword">typename</span>...></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">struct </span>IsPartOf;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type, <span class="keyword">typename</span> Current, <span class="keyword">typename</span>... Other></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">struct </span>IsPartOf<Type, Current, Other...>: std::conditional_t<std::is_same<Type, Current>::value, std::true_type, IsPartOf<Type, Other...>> {};</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">struct </span>IsPartOf<Type>: std::false_type {};</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> }</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">template</span><<span class="keyword">typename</span>... Types></div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classentt_1_1Identifier.html"> 71</a></span> <span class="keyword">class </span><a class="code" href="classentt_1_1Identifier.html">Identifier</a> final {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">using</span> tuple_type = std::tuple<std::decay_t<Types>...>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type, std::size_t... Indexes></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">static</span> constexpr std::size_t <span class="keyword">get</span>(std::index_sequence<Indexes...>) ENTT_NOEXCEPT {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  static_assert(internal::IsPartOf<Type, Types...>::value, <span class="stringliteral">"!"</span>);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  std::size_t max{};</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">using</span> accumulator_type = std::size_t[];</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  accumulator_type accumulator = { (max = std::is_same<Type, std::tuple_element_t<Indexes, tuple_type>>::value ? Indexes : max)... };</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  (void)accumulator;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> max;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classentt_1_1Identifier.html#a80c4fd9773928949e788790fac671169"> 87</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1Identifier.html#a80c4fd9773928949e788790fac671169">identifier_type</a> = std::size_t;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="classentt_1_1Identifier.html#aed05b85b75f2b0646e007f156e43ca6a"> 95</a></span>  <span class="keyword">static</span> constexpr <a class="code" href="classentt_1_1Identifier.html#a80c4fd9773928949e788790fac671169">identifier_type</a> <span class="keyword">get</span>() ENTT_NOEXCEPT {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> get<std::decay_t<Type>>(std::make_index_sequence<<span class="keyword">sizeof</span>...(Types)>{});</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> };</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#endif // ENTT_CORE_IDENT_HPP</span></div><div class="ttc" id="namespaceentt_html"><div class="ttname"><a href="namespaceentt.html">entt</a></div><div class="ttdoc">EnTT default namespace. </div><div class="ttdef"><b>Definition:</b> <a href="algorithm_8hpp_source.html#l00010">algorithm.hpp:10</a></div></div>
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<div class="ttc" id="classentt_1_1Identifier_html"><div class="ttname"><a href="classentt_1_1Identifier.html">entt::Identifier</a></div><div class="ttdoc">Types identifiers. </div><div class="ttdef"><b>Definition:</b> <a href="ident_8hpp_source.html#l00071">ident.hpp:71</a></div></div>
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<div class="ttc" id="classentt_1_1Identifier_html_a80c4fd9773928949e788790fac671169"><div class="ttname"><a href="classentt_1_1Identifier.html#a80c4fd9773928949e788790fac671169">entt::Identifier::identifier_type</a></div><div class="ttdeci">std::size_t identifier_type</div><div class="ttdoc">Unsigned integer type. </div><div class="ttdef"><b>Definition:</b> <a href="ident_8hpp_source.html#l00087">ident.hpp:87</a></div></div>
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