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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">enum.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_ENUM_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_ENUM_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 <type_traits></span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</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="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="keyword">template</span><<span class="keyword">typename</span> Type, <span class="keyword">typename</span> = <span class="keywordtype">void</span>></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"><a class="line" href="structentt_1_1enum__as__bitmask.html"> 13</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structentt_1_1enum__as__bitmask.html">enum_as_bitmask</a>: std::false_type {};</div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</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="line"><a id="l00017" name="l00017"></a><span class="lineno"><a class="line" href="structentt_1_1enum__as__bitmask_3_01Type_00_01std_1_1void__t_3_01decltype_07Type_1_1__entt__enum__as__bitmask_08_4_01_4.html"> 17</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structentt_1_1enum__as__bitmask.html">enum_as_bitmask</a><Type, std::void_t<decltype(Type::_entt_enum_as_bitmask)>>: std::is_enum<Type> {};</div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"><a class="line" href="namespaceentt.html#a8378b9330b5c90b6b11deee3637ebca6"> 24</a></span><span class="keyword">inline</span> <span class="keyword">constexpr</span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="namespaceentt.html#a8378b9330b5c90b6b11deee3637ebca6">enum_as_bitmask_v</a> = <a class="code hl_struct" href="structentt_1_1enum__as__bitmask.html">enum_as_bitmask<Type>::value</a>;</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span>} <span class="comment">// namespace entt</span></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="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span>[[nodiscard]] <span class="keyword">constexpr</span> std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>operator|(<span class="keyword">const</span> Type lhs, <span class="keyword">const</span> Type rhs) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Type<span class="keyword">></span>(<span class="keyword">static_cast<</span>std::underlying_type_t<Type><span class="keyword">></span>(lhs) | <span class="keyword">static_cast<</span>std::underlying_type_t<Type><span class="keyword">></span>(rhs));</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>}</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>[[nodiscard]] <span class="keyword">constexpr</span> std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type></div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>operator&(<span class="keyword">const</span> Type lhs, <span class="keyword">const</span> Type rhs) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Type<span class="keyword">></span>(<span class="keyword">static_cast<</span>std::underlying_type_t<Type><span class="keyword">></span>(lhs) & <span class="keyword">static_cast<</span>std::underlying_type_t<Type><span class="keyword">></span>(rhs));</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>}</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>[[nodiscard]] <span class="keyword">constexpr</span> std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>operator^(<span class="keyword">const</span> Type lhs, <span class="keyword">const</span> Type rhs) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Type<span class="keyword">></span>(<span class="keyword">static_cast<</span>std::underlying_type_t<Type><span class="keyword">></span>(lhs) ^ <span class="keyword">static_cast<</span>std::underlying_type_t<Type><span class="keyword">></span>(rhs));</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span>}</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span>[[nodiscard]] <span class="keyword">constexpr</span> std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>operator~(<span class="keyword">const</span> Type value) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Type<span class="keyword">></span>(~static_cast<std::underlying_type_t<Type>>(value));</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span>}</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span>[[nodiscard]] <span class="keyword">constexpr</span> std::enable_if_t<entt::enum_as_bitmask_v<Type>, <span class="keywordtype">bool</span>></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span>operator!(<span class="keyword">const</span> Type value) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">return</span> !<span class="keyword">static_cast<</span>std::underlying_type_t<Type><span class="keyword">></span>(value);</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span>}</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="keyword">constexpr</span> std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type &></div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>operator|=(Type &lhs, <span class="keyword">const</span> Type rhs) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">return</span> (lhs = (lhs | rhs));</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>}</div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="keyword">constexpr</span> std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type &></div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span>operator&=(Type &lhs, <span class="keyword">const</span> Type rhs) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">return</span> (lhs = (lhs & rhs));</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span>}</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="keyword">constexpr</span> std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type &></div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>operator^=(Type &lhs, <span class="keyword">const</span> Type rhs) <span class="keyword">noexcept</span> {</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> (lhs = (lhs ^ rhs));</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>}</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="preprocessor">#endif</span></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#l00021">dense_map.hpp:21</a></div></div>
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<div class="ttc" id="anamespaceentt_html_a8378b9330b5c90b6b11deee3637ebca6"><div class="ttname"><a href="namespaceentt.html#a8378b9330b5c90b6b11deee3637ebca6">entt::enum_as_bitmask_v</a></div><div class="ttdeci">constexpr bool enum_as_bitmask_v</div><div class="ttdoc">Helper variable template.</div><div class="ttdef"><b>Definition:</b> <a href="enum_8hpp_source.html#l00024">enum.hpp:24</a></div></div>
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<div class="ttc" id="astructentt_1_1enum__as__bitmask_html"><div class="ttname"><a href="structentt_1_1enum__as__bitmask.html">entt::enum_as_bitmask</a></div><div class="ttdoc">Enable bitmask support for enum classes.</div><div class="ttdef"><b>Definition:</b> <a href="enum_8hpp_source.html#l00013">enum.hpp:13</a></div></div>
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