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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_FAMILY_HPP</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_CORE_FAMILY_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 <atomic></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "../config/config.h"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</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> <span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">template</span><<span class="keyword">typename</span>...></div><div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="classentt_1_1Family.html"> 22</a></span> <span class="keyword">class </span><a class="code" href="classentt_1_1Family.html">Family</a> {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">static</span> std::atomic<std::size_t> identifier;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">template</span><<span class="keyword">typename</span>...></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">static</span> std::size_t family() ENTT_NOEXCEPT {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">static</span> <span class="keyword">const</span> std::size_t value = identifier.fetch_add(1);</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">return</span> value;</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> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="classentt_1_1Family.html#a263330fe09b437d3d91b8769f6a9fc77"> 33</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1Family.html#a263330fe09b437d3d91b8769f6a9fc77">family_type</a> = std::size_t;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">template</span><<span class="keyword">typename</span>... Type></div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classentt_1_1Family.html#aa5ce983dfef17bf0df6a608308193f6d"> 40</a></span>  <span class="keyword">inline</span> <span class="keyword">static</span> <a class="code" href="classentt_1_1Family.html#a263330fe09b437d3d91b8769f6a9fc77">family_type</a> <a class="code" href="classentt_1_1Family.html#aa5ce983dfef17bf0df6a608308193f6d">type</a>() ENTT_NOEXCEPT {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> family<std::decay_t<Type>...>();</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> };</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">template</span><<span class="keyword">typename</span>... Types></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> std::atomic<std::size_t> <a class="code" href="classentt_1_1Family.html">Family</a><Types...>::identifier{};</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#endif // ENTT_CORE_FAMILY_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_1Family_html_aa5ce983dfef17bf0df6a608308193f6d"><div class="ttname"><a href="classentt_1_1Family.html#aa5ce983dfef17bf0df6a608308193f6d">entt::Family::type</a></div><div class="ttdeci">static family_type type() ENTT_NOEXCEPT</div><div class="ttdoc">Returns an unique identifier for the given type. </div><div class="ttdef"><b>Definition:</b> <a href="family_8hpp_source.html#l00040">family.hpp:40</a></div></div>
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<div class="ttc" id="classentt_1_1Family_html_a263330fe09b437d3d91b8769f6a9fc77"><div class="ttname"><a href="classentt_1_1Family.html#a263330fe09b437d3d91b8769f6a9fc77">entt::Family::family_type</a></div><div class="ttdeci">std::size_t family_type</div><div class="ttdoc">Unsigned integer type. </div><div class="ttdef"><b>Definition:</b> <a href="family_8hpp_source.html#l00033">family.hpp:33</a></div></div>
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<div class="ttc" id="classentt_1_1Family_html"><div class="ttname"><a href="classentt_1_1Family.html">entt::Family</a></div><div class="ttdoc">Dynamic identifier generator. </div><div class="ttdef"><b>Definition:</b> <a href="family_8hpp_source.html#l00022">family.hpp:22</a></div></div>
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