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 <span id="projectnumber">3.5.2</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_e3a7bb56c55e5c2286e2fe96e197d4f5.html">entity</a></li> </ul>
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<div class="title">sparse_set.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_ENTITY_SPARSE_SET_HPP</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_ENTITY_SPARSE_SET_HPP</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>  </div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <iterator></span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <utility></span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <cstddef></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <type_traits></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "../config/config.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "../core/algorithm.hpp"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "entity.hpp"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "fwd.hpp"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span><<span class="keyword">typename</span> Entity></div>
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<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html"> 43</a></span> <span class="keyword">class </span><a class="code" href="classentt_1_1sparse__set.html">sparse_set</a> {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  static_assert(ENTT_PAGE_SIZE && ((ENTT_PAGE_SIZE & (ENTT_PAGE_SIZE - 1)) == 0), <span class="stringliteral">"ENTT_PAGE_SIZE must be a power of two"</span>);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">static</span> constexpr <span class="keyword">auto</span> entt_per_page = ENTT_PAGE_SIZE / <span class="keyword">sizeof</span>(Entity);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">using</span> <a class="code" href="structentt_1_1entt__traits.html">traits_type</a> = <a class="code" href="structentt_1_1entt__traits.html">entt_traits<Entity></a>;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">using</span> page_type = std::unique_ptr<Entity[]>;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">class </span>sparse_set_iterator final {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classentt_1_1sparse__set.html">sparse_set</a><Entity>;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">using</span> packed_type = std::vector<Entity>;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">using</span> index_type = <span class="keyword">typename</span> traits_type::difference_type;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  sparse_set_iterator(<span class="keyword">const</span> packed_type &ref, <span class="keyword">const</span> index_type idx) ENTT_NOEXCEPT</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  : packed{&ref}, <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>{idx}</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {}</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">using</span> difference_type = index_type;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">using</span> value_type = Entity;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">using</span> pointer = <span class="keyword">const</span> value_type *;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">using</span> reference = <span class="keyword">const</span> value_type &;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">using</span> iterator_category = std::random_access_iterator_tag;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  sparse_set_iterator() ENTT_NOEXCEPT = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  sparse_set_iterator & operator++() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> --<a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>, *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  sparse_set_iterator operator++(<span class="keywordtype">int</span>) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a> orig = *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> ++(*this), orig;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  sparse_set_iterator & operator--() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> ++<a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>, *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  sparse_set_iterator operator--(<span class="keywordtype">int</span>) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  sparse_set_iterator orig = *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> operator--(), orig;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  sparse_set_iterator & operator+=(<span class="keyword">const</span> difference_type value) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a> -= value;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  sparse_set_iterator operator+(<span class="keyword">const</span> difference_type value) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  sparse_set_iterator copy = *<span class="keyword">this</span>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> (copy += value);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  sparse_set_iterator & operator-=(<span class="keyword">const</span> difference_type value) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> (*<span class="keyword">this</span> += -value);</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  sparse_set_iterator operator-(<span class="keyword">const</span> difference_type value) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> (*<span class="keyword">this</span> + -value);</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  difference_type operator-(<span class="keyword">const</span> sparse_set_iterator &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> other.index - <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  [[nodiscard]] reference operator[](<span class="keyword">const</span> difference_type value)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pos = <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a>(<a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>-value-1u);</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> (*packed)[pos];</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="namespaceentt.html#aba73adf78736466214d47cd884de1c82">operator==</a>(<span class="keyword">const</span> sparse_set_iterator &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> other.index == <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="namespaceentt.html#ad9accc71a383509ada028f7fa2b767bf">operator!=</a>(<span class="keyword">const</span> sparse_set_iterator &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> !(*<span class="keyword">this</span> == other);</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  [[nodiscard]] <span class="keywordtype">bool</span> operator<(<span class="keyword">const</span> sparse_set_iterator &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a> > other.index;</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  [[nodiscard]] <span class="keywordtype">bool</span> operator>(<span class="keyword">const</span> sparse_set_iterator &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a> < other.index;</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  [[nodiscard]] <span class="keywordtype">bool</span> operator<=(<span class="keyword">const</span> sparse_set_iterator &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> !(*<span class="keyword">this</span> > other);</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  [[nodiscard]] <span class="keywordtype">bool</span> operator>=(<span class="keyword">const</span> sparse_set_iterator &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> !(*<span class="keyword">this</span> < other);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  [[nodiscard]] pointer operator->()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pos = <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a>(<a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>-1u);</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> &(*packed)[pos];</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  [[nodiscard]] reference operator*()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> *operator->();</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> packed_type *packed;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  index_type <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  };</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  [[nodiscard]] <span class="keyword">auto</span> page(<span class="keyword">const</span> Entity <a class="code" href="namespaceentt.html">entt</a>) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a>{(<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(<a class="code" href="namespaceentt.html">entt</a>) & traits_type::entity_mask) / entt_per_page};</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  [[nodiscard]] <span class="keyword">auto</span> offset(<span class="keyword">const</span> Entity <a class="code" href="namespaceentt.html">entt</a>) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a>{<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(<a class="code" href="namespaceentt.html">entt</a>) & (entt_per_page - 1)};</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  [[nodiscard]] page_type & assure(<span class="keyword">const</span> std::size_t pos) {</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span>(!(pos < sparse.size())) {</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  sparse.resize(pos+1);</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span>(!sparse[pos]) {</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  sparse[pos].reset(<span class="keyword">new</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a>[entt_per_page]);</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// null is safe in all cases for our purposes</span></div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> *first = sparse[pos].<a class="code" href="namespaceentt.html#a8c24ecc5ab0055f9f2a4725c95afb29e">get</a>(), *last = first + entt_per_page; first != last; ++first) {</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  *first = <span class="keyword">null</span>;</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> sparse[pos];</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780"> 178</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> = Entity;</div>
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<div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1"> 180</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a> = std::size_t;</div>
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<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1"> 182</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a> = sparse_set_iterator;</div>
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<div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a48d3943aa1e156066c9f2a2d391ba9f6"> 184</a></span>  <span class="keyword">using</span> <a class="code" href="classentt_1_1sparse__set.html#a48d3943aa1e156066c9f2a2d391ba9f6">reverse_iterator</a> = <span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> *;</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a8ef544aaed30126797f6f0b9a9f8b9e8"> 187</a></span>  <a class="code" href="classentt_1_1sparse__set.html#a8ef544aaed30126797f6f0b9a9f8b9e8">sparse_set</a>() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
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<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#af8f4f137b5ac0984599067d5408db5bf"> 190</a></span>  <a class="code" href="classentt_1_1sparse__set.html#af8f4f137b5ac0984599067d5408db5bf">sparse_set</a>(<a class="code" href="classentt_1_1sparse__set.html">sparse_set</a> &&) = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
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<div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a2ea4731d5a2e22f4bd43f8e19ca39f58"> 193</a></span>  <span class="keyword">virtual</span> <a class="code" href="classentt_1_1sparse__set.html#a2ea4731d5a2e22f4bd43f8e19ca39f58">~sparse_set</a>() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
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|
<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a7cb1c0bffe341b847537956075b398fa"> 196</a></span>  <a class="code" href="classentt_1_1sparse__set.html">sparse_set</a> & <a class="code" href="classentt_1_1sparse__set.html#a7cb1c0bffe341b847537956075b398fa">operator=</a>(<a class="code" href="classentt_1_1sparse__set.html">sparse_set</a> &&) = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
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<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a8b4b9dd989877bc333fdc455fcd068d7"> 206</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#a8b4b9dd989877bc333fdc455fcd068d7">reserve</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a> cap) {</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  packed.reserve(cap);</div>
|
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a85090d18e0c3cd08f2230cd171035f83"> 215</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a> <a class="code" href="classentt_1_1sparse__set.html#a85090d18e0c3cd08f2230cd171035f83">capacity</a>() const ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> packed.capacity();</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
|
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div>
|
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<div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a75f5d70148a149e4cbc485c7a7b00dda"> 220</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#a75f5d70148a149e4cbc485c7a7b00dda">shrink_to_fit</a>() {</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// conservative approach</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span>(packed.empty()) {</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  sparse.clear();</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
|
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
|
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  sparse.shrink_to_fit();</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  packed.shrink_to_fit();</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
|
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#aa8fc71674d1908d793c7b80e2e4be1d0"> 240</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a> <a class="code" href="classentt_1_1sparse__set.html#aa8fc71674d1908d793c7b80e2e4be1d0">extent</a>() const ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">return</span> sparse.size() * entt_per_page;</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  </div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#aedbdc87fbc0ee7ca8331ce7a38d993b4"> 254</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a> <a class="code" href="classentt_1_1sparse__set.html#aedbdc87fbc0ee7ca8331ce7a38d993b4">size</a>() const ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> packed.size();</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div>
|
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a15147f769251b24f6e79705eef785946"> 262</a></span>  [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1sparse__set.html#a15147f769251b24f6e79705eef785946">empty</a>() const ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">return</span> packed.empty();</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div>
|
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a97647044d951ac477dca2ca6a0735736"> 278</a></span>  [[nodiscard]] <span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> * <a class="code" href="classentt_1_1sparse__set.html#a97647044d951ac477dca2ca6a0735736">data</a>() const ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span> packed.data();</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  }</div>
|
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  </div>
|
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<div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a8d5d997f5b25667e9fbf50848ba0e4de"> 291</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a> <a class="code" href="classentt_1_1sparse__set.html#a8d5d997f5b25667e9fbf50848ba0e4de">begin</a>() const ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">const</span> <span class="keyword">typename</span> traits_type::difference_type pos = packed.size();</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a>{packed, pos};</div>
|
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  }</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  </div>
|
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<div class="line"><a name="l00306"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938"> 306</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a> <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>() const ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a>{packed, {}};</div>
|
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  }</div>
|
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a1f87c11d3ffda3385948f9a39d362141"> 320</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1sparse__set.html#a48d3943aa1e156066c9f2a2d391ba9f6">reverse_iterator</a> <a class="code" href="classentt_1_1sparse__set.html#a1f87c11d3ffda3385948f9a39d362141">rbegin</a>() const ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> packed.data();</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  }</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  </div>
|
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<div class="line"><a name="l00334"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a6b3f491a8657256ed6b72c1cd5468794"> 334</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1sparse__set.html#a48d3943aa1e156066c9f2a2d391ba9f6">reverse_iterator</a> <a class="code" href="classentt_1_1sparse__set.html#a6b3f491a8657256ed6b72c1cd5468794">rend</a>() const ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1sparse__set.html#a1f87c11d3ffda3385948f9a39d362141">rbegin</a>() + packed.size();</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  }</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  </div>
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<div class="line"><a name="l00344"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#ae8687d89acbd898f3c54fc655fa09825"> 344</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a> <a class="code" href="classentt_1_1sparse__set.html#ae8687d89acbd898f3c54fc655fa09825">find</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1sparse__set.html#ade11e6ef782602dd3ce2272718acbcd5">contains</a>(<a class="code" href="namespaceentt.html">entt</a>) ? --(<a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>() - <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>(<a class="code" href="namespaceentt.html">entt</a>)) : <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>();</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  </div>
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<div class="line"><a name="l00353"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#ade11e6ef782602dd3ce2272718acbcd5"> 353</a></span>  [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1sparse__set.html#ade11e6ef782602dd3ce2272718acbcd5">contains</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keyword">const</span> <span class="keyword">auto</span> curr = page(<a class="code" href="namespaceentt.html">entt</a>);</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">// testing against null permits to avoid accessing the packed array</span></div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">return</span> (curr < sparse.size() && sparse[curr] && sparse[curr][offset(<a class="code" href="namespaceentt.html">entt</a>)] != <span class="keyword">null</span>);</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  </div>
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<div class="line"><a name="l00371"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46"> 371</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a> <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  ENTT_ASSERT(<a class="code" href="classentt_1_1sparse__set.html#ade11e6ef782602dd3ce2272718acbcd5">contains</a>(<a class="code" href="namespaceentt.html">entt</a>));</div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a>{<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(sparse[page(<a class="code" href="namespaceentt.html">entt</a>)][offset(<a class="code" href="namespaceentt.html">entt</a>)])};</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  </div>
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<div class="line"><a name="l00387"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a2912e032eec6f1ea78dddf0b0f1d0e06"> 387</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#a2912e032eec6f1ea78dddf0b0f1d0e06">emplace</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>) {</div>
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  ENTT_ASSERT(!<a class="code" href="classentt_1_1sparse__set.html#ade11e6ef782602dd3ce2272718acbcd5">contains</a>(<a class="code" href="namespaceentt.html">entt</a>));</div>
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  assure(page(<a class="code" href="namespaceentt.html">entt</a>))[offset(<a class="code" href="namespaceentt.html">entt</a>)] = <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a>{<span class="keyword">static_cast<</span>typename traits_type::entity_type<span class="keyword">></span>(packed.size())};</div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  packed.push_back(<a class="code" href="namespaceentt.html">entt</a>);</div>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  }</div>
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  </div>
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<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keyword">template</span><<span class="keyword">typename</span> It></div>
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<div class="line"><a name="l00407"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#aef87aec55a74c0418fe21fb368a0f2ac"> 407</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#aef87aec55a74c0418fe21fb368a0f2ac">insert</a>(It first, It last) {</div>
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<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keyword">auto</span> next = <span class="keyword">static_cast<</span>typename traits_type::entity_type<span class="keyword">></span>(packed.size());</div>
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<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  packed.insert(packed.end(), first, last);</div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  </div>
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<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">while</span>(first != last) {</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keyword">const</span> <span class="keyword">auto</span> <a class="code" href="namespaceentt.html">entt</a> = *(first++);</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  ENTT_ASSERT(!<a class="code" href="classentt_1_1sparse__set.html#ade11e6ef782602dd3ce2272718acbcd5">contains</a>(<a class="code" href="namespaceentt.html">entt</a>));</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  assure(page(<a class="code" href="namespaceentt.html">entt</a>))[offset(<a class="code" href="namespaceentt.html">entt</a>)] = <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a>{next++};</div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  </div>
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<div class="line"><a name="l00429"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#ae5a40f93eef20024979097d9fe14261e"> 429</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#ae5a40f93eef20024979097d9fe14261e">erase</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>) {</div>
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<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  ENTT_ASSERT(<a class="code" href="classentt_1_1sparse__set.html#ade11e6ef782602dd3ce2272718acbcd5">contains</a>(<a class="code" href="namespaceentt.html">entt</a>));</div>
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<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyword">const</span> <span class="keyword">auto</span> curr = page(<a class="code" href="namespaceentt.html">entt</a>);</div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pos = offset(<a class="code" href="namespaceentt.html">entt</a>);</div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  packed[<a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a>{<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(sparse[curr][pos])}] = packed.back();</div>
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<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  sparse[page(packed.back())][offset(packed.back())] = sparse[curr][pos];</div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  sparse[curr][pos] = <span class="keyword">null</span>;</div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  packed.pop_back();</div>
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<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  }</div>
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<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  </div>
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<div class="line"><a name="l00454"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a7e6b341dd385fc5802f8ab5de2a2845c"> 454</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#a7e6b341dd385fc5802f8ab5de2a2845c">swap</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> lhs, <span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a> rhs) {</div>
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<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keyword">auto</span> &from = sparse[page(lhs)][offset(lhs)];</div>
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<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keyword">auto</span> &to = sparse[page(rhs)][offset(rhs)];</div>
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<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  std::swap(packed[<a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a>{<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(from)}], packed[<a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a>{<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(to)}]);</div>
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<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  std::swap(from, to);</div>
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<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  }</div>
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<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  </div>
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<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Compare, <span class="keyword">typename</span> Sort = <a class="code" href="structentt_1_1std__sort.html">std_sort</a>, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a name="l00496"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#ad64875d6e1981746f853d8cb62af15d8"> 496</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#ad64875d6e1981746f853d8cb62af15d8">sort</a>(<a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a> first, <a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a> last, Compare compare, Sort algo = Sort{}, Args &&... args) {</div>
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<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  ENTT_ASSERT(!(last < first));</div>
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<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  ENTT_ASSERT(!(last > <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>()));</div>
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<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  </div>
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<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keyword">const</span> <span class="keyword">auto</span> length = std::distance(first, last);</div>
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<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keyword">const</span> <span class="keyword">auto</span> skip = std::distance(last, <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>());</div>
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<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">const</span> <span class="keyword">auto</span> to = packed.rend() - skip;</div>
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<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keyword">const</span> <span class="keyword">auto</span> from = to - length;</div>
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<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  </div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  algo(from, to, std::move(compare), std::forward<Args>(args)...);</div>
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<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  </div>
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<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">for</span>(<a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a> pos = skip, <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a> = skip+length; pos < <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>; ++pos) {</div>
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<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  sparse[page(packed[pos])][offset(packed[pos])] = <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a>{<span class="keyword">static_cast<</span>typename traits_type::entity_type<span class="keyword">></span>(pos)};</div>
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<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div>
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<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  }</div>
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<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  </div>
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<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Apply, <span class="keyword">typename</span> Compare, <span class="keyword">typename</span> Sort = std_sort, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a name="l00540"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#adfef629658fc966c643167af7079d3c5"> 540</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#adfef629658fc966c643167af7079d3c5">arrange</a>(<a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a> first, <a class="code" href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">iterator</a> last, Apply apply, Compare compare, Sort algo = Sort{}, Args &&... args) {</div>
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<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  ENTT_ASSERT(!(last < first));</div>
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<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  ENTT_ASSERT(!(last > <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>()));</div>
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<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  </div>
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<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keyword">const</span> <span class="keyword">auto</span> length = std::distance(first, last);</div>
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<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keyword">const</span> <span class="keyword">auto</span> skip = std::distance(last, <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>());</div>
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<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keyword">const</span> <span class="keyword">auto</span> to = packed.rend() - skip;</div>
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<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keyword">const</span> <span class="keyword">auto</span> from = to - length;</div>
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<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  </div>
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<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  algo(from, to, std::move(compare), std::forward<Args>(args)...);</div>
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<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  </div>
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<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">for</span>(<a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a> pos = skip, <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a> = skip+length; pos < <a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>; ++pos) {</div>
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<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keyword">auto</span> curr = pos;</div>
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<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keyword">auto</span> next = <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>(packed[curr]);</div>
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<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  </div>
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<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordflow">while</span>(curr != next) {</div>
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<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  apply(packed[curr], packed[next]);</div>
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<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  sparse[page(packed[curr])][offset(packed[curr])] = <a class="code" href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entity_type</a>{<span class="keyword">static_cast<</span>typename traits_type::entity_type<span class="keyword">></span>(curr)};</div>
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<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  </div>
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<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  curr = next;</div>
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<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  next = <a class="code" href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">index</a>(packed[curr]);</div>
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<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  }</div>
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<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  }</div>
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<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  }</div>
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<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  </div>
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<div class="line"><a name="l00580"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#a1a683d1f8f52b1083cddd9938536a74a"> 580</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#a1a683d1f8f52b1083cddd9938536a74a">respect</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1sparse__set.html">sparse_set</a> &other) {</div>
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<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keyword">const</span> <span class="keyword">auto</span> to = other.<a class="code" href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">end</a>();</div>
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<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keyword">auto</span> from = other.<a class="code" href="classentt_1_1sparse__set.html#a8d5d997f5b25667e9fbf50848ba0e4de">begin</a>();</div>
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<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  </div>
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<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <a class="code" href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">size_type</a> pos = packed.size() - 1;</div>
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<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  </div>
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<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keywordflow">while</span>(pos && from != to) {</div>
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<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keywordflow">if</span>(<a class="code" href="classentt_1_1sparse__set.html#ade11e6ef782602dd3ce2272718acbcd5">contains</a>(*from)) {</div>
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<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keywordflow">if</span>(*from != packed[pos]) {</div>
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<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <a class="code" href="classentt_1_1sparse__set.html#a7e6b341dd385fc5802f8ab5de2a2845c">swap</a>(packed[pos], *from);</div>
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<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  }</div>
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<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  </div>
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<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  --pos;</div>
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<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  }</div>
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<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  </div>
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<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  ++from;</div>
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<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  }</div>
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<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  }</div>
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<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  </div>
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<div class="line"><a name="l00602"></a><span class="lineno"><a class="line" href="classentt_1_1sparse__set.html#ab854c8f3efa5896c97e74c5f00ecba26"> 602</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1sparse__set.html#ab854c8f3efa5896c97e74c5f00ecba26">clear</a>() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  sparse.clear();</div>
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<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  packed.clear();</div>
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<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  }</div>
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<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  </div>
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<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  std::vector<page_type> sparse;</div>
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<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  std::vector<entity_type> packed;</div>
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<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> };</div>
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<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  </div>
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<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  </div>
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<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> }</div>
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<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  </div>
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<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  </div>
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<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> <span class="preprocessor">#endif</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a7e6b341dd385fc5802f8ab5de2a2845c"><div class="ttname"><a href="classentt_1_1sparse__set.html#a7e6b341dd385fc5802f8ab5de2a2845c">entt::sparse_set::swap</a></div><div class="ttdeci">virtual void swap(const entity_type lhs, const entity_type rhs)</div><div class="ttdoc">Swaps two entities in the internal packed array.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00454">sparse_set.hpp:454</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a1a683d1f8f52b1083cddd9938536a74a"><div class="ttname"><a href="classentt_1_1sparse__set.html#a1a683d1f8f52b1083cddd9938536a74a">entt::sparse_set::respect</a></div><div class="ttdeci">void respect(const sparse_set &other)</div><div class="ttdoc">Sort entities according to their order in another sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00580">sparse_set.hpp:580</a></div></div>
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<div class="ttc" id="anamespaceentt_html_a71abd3e36498ea599ce0abc367d7c3ae"><div class="ttname"><a href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">entt::to_integral</a></div><div class="ttdeci">constexpr auto to_integral(const Entity entity) noexcept</div><div class="ttdoc">Converts an entity type to its underlying type.</div><div class="ttdef"><b>Definition:</b> <a href="entity_8hpp_source.html#l00093">entity.hpp:93</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a2ea4731d5a2e22f4bd43f8e19ca39f58"><div class="ttname"><a href="classentt_1_1sparse__set.html#a2ea4731d5a2e22f4bd43f8e19ca39f58">entt::sparse_set::~sparse_set</a></div><div class="ttdeci">virtual ~sparse_set()=default</div><div class="ttdoc">Default destructor.</div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a85090d18e0c3cd08f2230cd171035f83"><div class="ttname"><a href="classentt_1_1sparse__set.html#a85090d18e0c3cd08f2230cd171035f83">entt::sparse_set::capacity</a></div><div class="ttdeci">size_type capacity() const noexcept</div><div class="ttdoc">Returns the number of elements that a sparse set has currently allocated space for.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00215">sparse_set.hpp:215</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_ae8687d89acbd898f3c54fc655fa09825"><div class="ttname"><a href="classentt_1_1sparse__set.html#ae8687d89acbd898f3c54fc655fa09825">entt::sparse_set::find</a></div><div class="ttdeci">iterator find(const entity_type entt) const</div><div class="ttdoc">Finds an entity.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00344">sparse_set.hpp:344</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html"><div class="ttname"><a href="classentt_1_1sparse__set.html">entt::sparse_set</a></div><div class="ttdoc">Basic sparse set implementation.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00043">sparse_set.hpp:43</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 components.</div><div class="ttdef"><b>Definition:</b> <a href="entity_2utility_8hpp_source.html#l00040">utility.hpp:40</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_aef87aec55a74c0418fe21fb368a0f2ac"><div class="ttname"><a href="classentt_1_1sparse__set.html#aef87aec55a74c0418fe21fb368a0f2ac">entt::sparse_set::insert</a></div><div class="ttdeci">void insert(It first, It last)</div><div class="ttdoc">Assigns one or more entities to a sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00407">sparse_set.hpp:407</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_af8f4f137b5ac0984599067d5408db5bf"><div class="ttname"><a href="classentt_1_1sparse__set.html#af8f4f137b5ac0984599067d5408db5bf">entt::sparse_set::sparse_set</a></div><div class="ttdeci">sparse_set(sparse_set &&)=default</div><div class="ttdoc">Default move constructor.</div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a8d5d997f5b25667e9fbf50848ba0e4de"><div class="ttname"><a href="classentt_1_1sparse__set.html#a8d5d997f5b25667e9fbf50848ba0e4de">entt::sparse_set::begin</a></div><div class="ttdeci">iterator begin() const noexcept</div><div class="ttdoc">Returns an iterator to the beginning.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00291">sparse_set.hpp:291</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a8ef544aaed30126797f6f0b9a9f8b9e8"><div class="ttname"><a href="classentt_1_1sparse__set.html#a8ef544aaed30126797f6f0b9a9f8b9e8">entt::sparse_set::sparse_set</a></div><div class="ttdeci">sparse_set()=default</div><div class="ttdoc">Default constructor.</div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_aedbdc87fbc0ee7ca8331ce7a38d993b4"><div class="ttname"><a href="classentt_1_1sparse__set.html#aedbdc87fbc0ee7ca8331ce7a38d993b4">entt::sparse_set::size</a></div><div class="ttdeci">size_type size() const noexcept</div><div class="ttdoc">Returns the number of elements in a sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00254">sparse_set.hpp:254</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_adfef629658fc966c643167af7079d3c5"><div class="ttname"><a href="classentt_1_1sparse__set.html#adfef629658fc966c643167af7079d3c5">entt::sparse_set::arrange</a></div><div class="ttdeci">void arrange(iterator first, iterator last, Apply apply, Compare compare, Sort algo=Sort{}, Args &&... args)</div><div class="ttdoc">Sort elements according to the given comparison function.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00540">sparse_set.hpp:540</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a48d3943aa1e156066c9f2a2d391ba9f6"><div class="ttname"><a href="classentt_1_1sparse__set.html#a48d3943aa1e156066c9f2a2d391ba9f6">entt::sparse_set< entity_type >::reverse_iterator</a></div><div class="ttdeci">const entity_type * reverse_iterator</div><div class="ttdoc">Reverse iterator type.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00184">sparse_set.hpp:184</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a71146da1ec5ecafebb4a74f9f6f3b938"><div class="ttname"><a href="classentt_1_1sparse__set.html#a71146da1ec5ecafebb4a74f9f6f3b938">entt::sparse_set::end</a></div><div class="ttdeci">iterator end() const noexcept</div><div class="ttdoc">Returns an iterator to the end.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00306">sparse_set.hpp:306</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a22cf39bf66b858f1d1d0f1e6fedb8fe1"><div class="ttname"><a href="classentt_1_1sparse__set.html#a22cf39bf66b858f1d1d0f1e6fedb8fe1">entt::sparse_set::iterator</a></div><div class="ttdeci">sparse_set_iterator iterator</div><div class="ttdoc">Random access iterator type.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00182">sparse_set.hpp:182</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a97647044d951ac477dca2ca6a0735736"><div class="ttname"><a href="classentt_1_1sparse__set.html#a97647044d951ac477dca2ca6a0735736">entt::sparse_set::data</a></div><div class="ttdeci">const entity_type * data() const noexcept</div><div class="ttdoc">Direct access to the internal packed array.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00278">sparse_set.hpp:278</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a75f5d70148a149e4cbc485c7a7b00dda"><div class="ttname"><a href="classentt_1_1sparse__set.html#a75f5d70148a149e4cbc485c7a7b00dda">entt::sparse_set::shrink_to_fit</a></div><div class="ttdeci">void shrink_to_fit()</div><div class="ttdoc">Requests the removal of unused capacity.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00220">sparse_set.hpp:220</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_ae5a40f93eef20024979097d9fe14261e"><div class="ttname"><a href="classentt_1_1sparse__set.html#ae5a40f93eef20024979097d9fe14261e">entt::sparse_set::erase</a></div><div class="ttdeci">void erase(const entity_type entt)</div><div class="ttdoc">Removes an entity from a sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00429">sparse_set.hpp:429</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="algorithm_8hpp_source.html#l00013">algorithm.hpp:13</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a6b3f491a8657256ed6b72c1cd5468794"><div class="ttname"><a href="classentt_1_1sparse__set.html#a6b3f491a8657256ed6b72c1cd5468794">entt::sparse_set::rend</a></div><div class="ttdeci">reverse_iterator rend() const noexcept</div><div class="ttdoc">Returns a reverse iterator to the end.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00334">sparse_set.hpp:334</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_aa8fc71674d1908d793c7b80e2e4be1d0"><div class="ttname"><a href="classentt_1_1sparse__set.html#aa8fc71674d1908d793c7b80e2e4be1d0">entt::sparse_set::extent</a></div><div class="ttdeci">size_type extent() const noexcept</div><div class="ttdoc">Returns the extent of a sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00240">sparse_set.hpp:240</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a3d2138b0eb8c7ac968e9e38a9e981ec1"><div class="ttname"><a href="classentt_1_1sparse__set.html#a3d2138b0eb8c7ac968e9e38a9e981ec1">entt::sparse_set::size_type</a></div><div class="ttdeci">std::size_t size_type</div><div class="ttdoc">Unsigned integer type.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00180">sparse_set.hpp:180</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a17386e505ea87ccc100e23360c93aa46"><div class="ttname"><a href="classentt_1_1sparse__set.html#a17386e505ea87ccc100e23360c93aa46">entt::sparse_set::index</a></div><div class="ttdeci">size_type index(const entity_type entt) const</div><div class="ttdoc">Returns the position of an entity in a sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00371">sparse_set.hpp:371</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a1f87c11d3ffda3385948f9a39d362141"><div class="ttname"><a href="classentt_1_1sparse__set.html#a1f87c11d3ffda3385948f9a39d362141">entt::sparse_set::rbegin</a></div><div class="ttdeci">reverse_iterator rbegin() const noexcept</div><div class="ttdoc">Returns a reverse iterator to the beginning.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00320">sparse_set.hpp:320</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a15147f769251b24f6e79705eef785946"><div class="ttname"><a href="classentt_1_1sparse__set.html#a15147f769251b24f6e79705eef785946">entt::sparse_set::empty</a></div><div class="ttdeci">bool empty() const noexcept</div><div class="ttdoc">Checks whether a sparse set is empty.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00262">sparse_set.hpp:262</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a7cb1c0bffe341b847537956075b398fa"><div class="ttname"><a href="classentt_1_1sparse__set.html#a7cb1c0bffe341b847537956075b398fa">entt::sparse_set::operator=</a></div><div class="ttdeci">sparse_set & operator=(sparse_set &&)=default</div><div class="ttdoc">Default move assignment operator.</div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_ad64875d6e1981746f853d8cb62af15d8"><div class="ttname"><a href="classentt_1_1sparse__set.html#ad64875d6e1981746f853d8cb62af15d8">entt::sparse_set::sort</a></div><div class="ttdeci">void sort(iterator first, iterator last, Compare compare, Sort algo=Sort{}, Args &&... args)</div><div class="ttdoc">Sort elements according to the given comparison function.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00496">sparse_set.hpp:496</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a2912e032eec6f1ea78dddf0b0f1d0e06"><div class="ttname"><a href="classentt_1_1sparse__set.html#a2912e032eec6f1ea78dddf0b0f1d0e06">entt::sparse_set::emplace</a></div><div class="ttdeci">void emplace(const entity_type entt)</div><div class="ttdoc">Assigns an entity to a sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00387">sparse_set.hpp:387</a></div></div>
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<div class="ttc" id="anamespaceentt_html_ad9accc71a383509ada028f7fa2b767bf"><div class="ttname"><a href="namespaceentt.html#ad9accc71a383509ada028f7fa2b767bf">entt::operator!=</a></div><div class="ttdeci">constexpr bool operator!=(const basic_hashed_string< Char > &lhs, const basic_hashed_string< Char > &rhs) noexcept</div><div class="ttdoc">Compares two hashed strings.</div><div class="ttdef"><b>Definition:</b> <a href="hashed__string_8hpp_source.html#l00227">hashed_string.hpp:227</a></div></div>
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<div class="ttc" id="astructentt_1_1entt__traits_html"><div class="ttname"><a href="structentt_1_1entt__traits.html">entt::entt_traits</a></div><div class="ttdoc">Entity traits.</div><div class="ttdef"><b>Definition:</b> <a href="entity_8hpp_source.html#l00021">entity.hpp:21</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_ab854c8f3efa5896c97e74c5f00ecba26"><div class="ttname"><a href="classentt_1_1sparse__set.html#ab854c8f3efa5896c97e74c5f00ecba26">entt::sparse_set::clear</a></div><div class="ttdeci">void clear() noexcept</div><div class="ttdoc">Clears a sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00602">sparse_set.hpp:602</a></div></div>
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<div class="ttc" id="anamespaceentt_html_aba73adf78736466214d47cd884de1c82"><div class="ttname"><a href="namespaceentt.html#aba73adf78736466214d47cd884de1c82">entt::operator==</a></div><div class="ttdeci">constexpr bool operator==(const Entity entity, null_t other) noexcept</div><div class="ttdoc">Compares a null object and an entity identifier of any type.</div><div class="ttdef"><b>Definition:</b> <a href="entity_8hpp_source.html#l00158">entity.hpp:158</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a8b4b9dd989877bc333fdc455fcd068d7"><div class="ttname"><a href="classentt_1_1sparse__set.html#a8b4b9dd989877bc333fdc455fcd068d7">entt::sparse_set::reserve</a></div><div class="ttdeci">void reserve(const size_type cap)</div><div class="ttdoc">Increases the capacity of a sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00206">sparse_set.hpp:206</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_a9a1dbe5ab2dbb098beae0bff56bbf780"><div class="ttname"><a href="classentt_1_1sparse__set.html#a9a1dbe5ab2dbb098beae0bff56bbf780">entt::sparse_set::entity_type</a></div><div class="ttdeci">Entity entity_type</div><div class="ttdoc">Underlying entity identifier.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00178">sparse_set.hpp:178</a></div></div>
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<div class="ttc" id="aclassentt_1_1sparse__set_html_ade11e6ef782602dd3ce2272718acbcd5"><div class="ttname"><a href="classentt_1_1sparse__set.html#ade11e6ef782602dd3ce2272718acbcd5">entt::sparse_set::contains</a></div><div class="ttdeci">bool contains(const entity_type entt) const</div><div class="ttdoc">Checks if a sparse set contains an entity.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00353">sparse_set.hpp:353</a></div></div>
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<div class="ttc" id="astructentt_1_1std__sort_html"><div class="ttname"><a href="structentt_1_1std__sort.html">entt::std_sort</a></div><div class="ttdoc">Function object to wrap std::sort in a class type.</div><div class="ttdef"><b>Definition:</b> <a href="algorithm_8hpp_source.html#l00024">algorithm.hpp:24</a></div></div>
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