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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="title">monostate.hpp</div> </div>
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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_MONOSTATE_HPP</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_CORE_MONOSTATE_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 <atomic></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <cassert></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "family.hpp"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "hashed_string.hpp"</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="l00025"></a><span class="lineno"> 25</span> <span class="keyword">template</span><HashedString::hash_type></div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="structentt_1_1Monostate.html"> 26</a></span> <span class="keyword">struct </span><a class="code" href="structentt_1_1Monostate.html">Monostate</a> {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="structentt_1_1Monostate.html#a9e94509f038e4a634ce776cdc23548cf"> 33</a></span>  <span class="keywordtype">void</span> <a class="code" href="structentt_1_1Monostate.html#a9e94509f038e4a634ce776cdc23548cf">operator=</a>(Type val) <span class="keyword">const</span> ENTT_NOEXCEPT {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  Monostate::value<Type> = val;</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="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="structentt_1_1Monostate.html#ae16dec68153e1cf761d8c2379c4e3e8c"> 43</a></span>  <span class="keyword">operator</span> Type() const ENTT_NOEXCEPT {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> Monostate::value<Type>;</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> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">static</span> std::atomic<Type> value;</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="keyword">template</span><HashedString::hash_type ID></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> std::atomic<Type> <a class="code" href="structentt_1_1Monostate.html">Monostate<ID>::value</a>{};</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> }</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif // ENTT_CORE_MONOSTATE_HPP</span></div><div class="ttc" id="structentt_1_1Monostate_html_a9e94509f038e4a634ce776cdc23548cf"><div class="ttname"><a href="structentt_1_1Monostate.html#a9e94509f038e4a634ce776cdc23548cf">entt::Monostate::operator=</a></div><div class="ttdeci">void operator=(Type val) const ENTT_NOEXCEPT</div><div class="ttdoc">Assigns a value of a specific type to a given key. </div><div class="ttdef"><b>Definition:</b> <a href="monostate_8hpp_source.html#l00033">monostate.hpp:33</a></div></div>
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<div class="ttc" id="structentt_1_1Monostate_html"><div class="ttname"><a href="structentt_1_1Monostate.html">entt::Monostate</a></div><div class="ttdoc">Minimal implementation of the monostate pattern. </div><div class="ttdef"><b>Definition:</b> <a href="monostate_8hpp_source.html#l00026">monostate.hpp:26</a></div></div>
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<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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