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<div id="projectname">EnTT<span id="projectnumber"> 3.15.0</span>
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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="headertitle"><div class="title">ident.hpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#ifndef ENTT_CORE_IDENT_HPP</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#define ENTT_CORE_IDENT_HPP</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include <cstddef></span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include <type_traits></span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include <utility></span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include "fwd.hpp"</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include "type_traits.hpp"</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceentt.html">entt</a> {</div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">template</span><<span class="keyword">typename</span>... Type></div>
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<div class="foldopen" id="foldopen00017" data-start="{" data-end="};">
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"><a class="line" href="classentt_1_1ident.html"> 17</a></span><span class="keyword">class </span><a class="code hl_class" href="classentt_1_1ident.html">ident</a> {</div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">template</span><<span class="keyword">typename</span> Curr, std::size_t... Index></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> [[nodiscard]] <span class="keyword">static</span> <span class="keyword">constexpr</span> <a class="code hl_typedef" href="namespaceentt.html#a620d583c0e6d64acf3d394524bb72303">id_type</a> <a class="code hl_variable" href="namespaceentt.html#a8c24ecc5ab0055f9f2a4725c95afb29e">get</a>(std::index_sequence<Index...>) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">static_assert</span>((std::is_same_v<Curr, Type> || ...), <span class="stringliteral">"Invalid type"</span>);</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="keywordflow">return</span> (0 + ... + (std::is_same_v<Curr, <a class="code hl_typedef" href="namespaceentt.html#a9ac8221f536d5ecb512dc433ec7a4fd1">type_list_element_t</a><Index, <a class="code hl_struct" href="structentt_1_1type__list.html">type_list</a><std::decay_t<Type>...>>> ? <a class="code hl_typedef" href="namespaceentt.html#a620d583c0e6d64acf3d394524bb72303">id_type</a>{Index} : <a class="code hl_typedef" href="namespaceentt.html#a620d583c0e6d64acf3d394524bb72303">id_type</a>{}));</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> }</div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="keyword">public</span>:</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="classentt_1_1ident.html#ab876c8a72b42402e640b1438eed506c7"> 26</a></span> <span class="keyword">using </span><a class="code hl_typedef" href="classentt_1_1ident.html#ab876c8a72b42402e640b1438eed506c7">value_type</a> = <a class="code hl_typedef" href="namespaceentt.html#a620d583c0e6d64acf3d394524bb72303">id_type</a>;</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">template</span><<span class="keyword">typename</span> Curr></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="classentt_1_1ident.html#abbe6e44a907fc596f65ee29d3cb67b6d"> 30</a></span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <a class="code hl_typedef" href="classentt_1_1ident.html#ab876c8a72b42402e640b1438eed506c7">value_type</a> <a class="code hl_variable" href="classentt_1_1ident.html#abbe6e44a907fc596f65ee29d3cb67b6d">value</a> = get<std::decay_t<Curr>>(std::index_sequence_for<Type...>{});</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>};</div>
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</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span>} <span class="comment">// namespace entt</span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#endif</span></div>
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<div class="ttc" id="aclassentt_1_1ident_html"><div class="ttname"><a href="classentt_1_1ident.html">entt::ident</a></div><div class="ttdoc">Type integral identifiers.</div><div class="ttdef"><b>Definition</b> <a href="#l00017">ident.hpp:17</a></div></div>
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<div class="ttc" id="aclassentt_1_1ident_html_ab876c8a72b42402e640b1438eed506c7"><div class="ttname"><a href="classentt_1_1ident.html#ab876c8a72b42402e640b1438eed506c7">entt::ident::value_type</a></div><div class="ttdeci">id_type value_type</div><div class="ttdoc">Unsigned integer type.</div><div class="ttdef"><b>Definition</b> <a href="#l00026">ident.hpp:26</a></div></div>
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<div class="ttc" id="aclassentt_1_1ident_html_abbe6e44a907fc596f65ee29d3cb67b6d"><div class="ttname"><a href="classentt_1_1ident.html#abbe6e44a907fc596f65ee29d3cb67b6d">entt::ident::value</a></div><div class="ttdeci">static constexpr value_type value</div><div class="ttdoc">Statically generated unique identifier for the given type.</div><div class="ttdef"><b>Definition</b> <a href="#l00030">ident.hpp:30</a></div></div>
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<div class="ttc" id="anamespaceentt_html"><div class="ttname"><a href="namespaceentt.html">entt</a></div><div class="ttdoc">EnTT default namespace.</div><div class="ttdef"><b>Definition</b> <a href="dense__map_8hpp_source.html#l00022">dense_map.hpp:22</a></div></div>
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<div class="ttc" id="anamespaceentt_html_a620d583c0e6d64acf3d394524bb72303"><div class="ttname"><a href="namespaceentt.html#a620d583c0e6d64acf3d394524bb72303">entt::id_type</a></div><div class="ttdeci">std::uint32_t id_type</div><div class="ttdoc">Alias declaration for type identifiers.</div><div class="ttdef"><b>Definition</b> <a href="core_2fwd_8hpp_source.html#l00029">fwd.hpp:29</a></div></div>
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<div class="ttc" id="anamespaceentt_html_a8c24ecc5ab0055f9f2a4725c95afb29e"><div class="ttname"><a href="namespaceentt.html#a8c24ecc5ab0055f9f2a4725c95afb29e">entt::get</a></div><div class="ttdeci">constexpr get_t< Type... > get</div><div class="ttdoc">Variable template for lists of observed elements.</div><div class="ttdef"><b>Definition</b> <a href="entity_2fwd_8hpp_source.html#l00167">fwd.hpp:167</a></div></div>
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<div class="ttc" id="anamespaceentt_html_a9ac8221f536d5ecb512dc433ec7a4fd1"><div class="ttname"><a href="namespaceentt.html#a9ac8221f536d5ecb512dc433ec7a4fd1">entt::type_list_element_t</a></div><div class="ttdeci">typename type_list_element< Index, List >::type type_list_element_t</div><div class="ttdoc">Helper type.</div><div class="ttdef"><b>Definition</b> <a href="core_2type__traits_8hpp_source.html#l00149">type_traits.hpp:149</a></div></div>
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<div class="ttc" id="astructentt_1_1type__list_html"><div class="ttname"><a href="structentt_1_1type__list.html">entt::type_list</a></div><div class="ttdoc">A class to use to push around lists of types, nothing more.</div><div class="ttdef"><b>Definition</b> <a href="core_2type__traits_8hpp_source.html#l00111">type_traits.hpp:111</a></div></div>
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