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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#ifndef ENTT_ENTITY_SPARSE_SET_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define ENTT_ENTITY_SPARSE_SET_HPP</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160; </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160; </div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &lt;iterator&gt;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;cstddef&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &quot;../config/config.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;../core/algorithm.hpp&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;entity.hpp&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;fwd.hpp&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceentt.html">entt</a> {</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Entity&gt;</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html"> 43</a></span>&#160;<span class="keyword">class </span><a class="code" href="classentt_1_1basic__sparse__set.html">basic_sparse_set</a> {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">static</span> constexpr <span class="keyword">auto</span> page_size = ENTT_PAGE_SIZE;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <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&lt;Entity&gt;</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">using</span> page_type = std::unique_ptr&lt;Entity[]&gt;;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">class </span>sparse_set_iterator final {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classentt_1_1basic__sparse__set.html">basic_sparse_set</a>&lt;Entity&gt;;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">using</span> packed_type = std::vector&lt;Entity&gt;;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keyword">using</span> index_type = <span class="keyword">typename</span> traits_type::difference_type;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; sparse_set_iterator(<span class="keyword">const</span> packed_type &amp;ref, <span class="keyword">const</span> index_type idx) ENTT_NOEXCEPT</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; : packed{&amp;ref}, <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>{idx}</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; {}</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keyword">using</span> difference_type = index_type;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keyword">using</span> value_type = Entity;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">using</span> pointer = <span class="keyword">const</span> value_type *;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">using</span> reference = <span class="keyword">const</span> value_type &amp;;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">using</span> iterator_category = std::random_access_iterator_tag;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; sparse_set_iterator() ENTT_NOEXCEPT = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; sparse_set_iterator &amp; operator++() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordflow">return</span> --<a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>, *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; sparse_set_iterator operator++(<span class="keywordtype">int</span>) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#ac1ec801822e07322ff37412472bc040a">iterator</a> orig = *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">return</span> ++(*this), orig;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; sparse_set_iterator &amp; operator--() ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordflow">return</span> ++<a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>, *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; sparse_set_iterator operator--(<span class="keywordtype">int</span>) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; sparse_set_iterator orig = *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">return</span> operator--(), orig;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; sparse_set_iterator &amp; operator+=(<span class="keyword">const</span> difference_type value) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a> -= value;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; sparse_set_iterator <a class="code" href="namespaceentt.html#a6c6e966c8af5b1452811aa55adbbdf47">operator+</a>(<span class="keyword">const</span> difference_type value) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; sparse_set_iterator copy = *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordflow">return</span> (copy += value);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; sparse_set_iterator &amp; operator-=(<span class="keyword">const</span> difference_type value) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordflow">return</span> (*<span class="keyword">this</span> += -value);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; sparse_set_iterator operator-(<span class="keyword">const</span> difference_type value) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">return</span> (*<span class="keyword">this</span> + -value);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; difference_type operator-(<span class="keyword">const</span> sparse_set_iterator &amp;other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">return</span> other.index - <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; [[nodiscard]] reference <a class="code" href="classentt_1_1basic__sparse__set.html#af47a42337d592c6ffb548b6cdeb3c990">operator[]</a>(<span class="keyword">const</span> difference_type value)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> pos = <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a>(<a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>-value-1u);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">return</span> (*packed)[pos];</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="namespaceentt.html#ad801f15accdf588b163ce48ce9209bf6">operator==</a>(<span class="keyword">const</span> sparse_set_iterator &amp;other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keywordflow">return</span> other.index == <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="namespaceentt.html#ad0e7f23a35b9c534a369321633876b31">operator!=</a>(<span class="keyword">const</span> sparse_set_iterator &amp;other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">return</span> !(*<span class="keyword">this</span> == other);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> operator&lt;(<span class="keyword">const</span> sparse_set_iterator &amp;other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a> &gt; other.index;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> operator&gt;(<span class="keyword">const</span> sparse_set_iterator &amp;other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a> &lt; other.index;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> operator&lt;=(<span class="keyword">const</span> sparse_set_iterator &amp;other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">return</span> !(*<span class="keyword">this</span> &gt; other);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> operator&gt;=(<span class="keyword">const</span> sparse_set_iterator &amp;other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">return</span> !(*<span class="keyword">this</span> &lt; other);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; [[nodiscard]] pointer operator-&gt;()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> pos = <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a>(<a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>-1u);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">return</span> &amp;(*packed)[pos];</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; [[nodiscard]] reference operator*()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">return</span> *operator-&gt;();</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keyword">const</span> packed_type *packed;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; index_type <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; };</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; [[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>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a>{(<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(<a class="code" href="namespaceentt.html">entt</a>) &amp; traits_type::entity_mask) / page_size};</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; [[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>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a>{<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(<a class="code" href="namespaceentt.html">entt</a>) &amp; (page_size - 1)};</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; [[nodiscard]] page_type &amp; assure(<span class="keyword">const</span> std::size_t pos) {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordflow">if</span>(!(pos &lt; sparse.size())) {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; sparse.resize(pos+1);</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; }</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">if</span>(!sparse[pos]) {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; sparse[pos].reset(<span class="keyword">new</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a>[page_size]);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="comment">// null is safe in all cases for our purposes</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordflow">for</span>(<span class="keyword">auto</span> *first = sparse[pos].<a class="code" href="namespaceentt.html#a8c24ecc5ab0055f9f2a4725c95afb29e">get</a>(), *last = first + page_size; first != last; ++first) {</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; *first = <span class="keyword">null</span>;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; }</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keywordflow">return</span> sparse[pos];</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a7ce171261140444caf3e940bc2dae122"> 177</a></span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a7ce171261140444caf3e940bc2dae122">swap_at</a>(<span class="keyword">const</span> std::size_t, <span class="keyword">const</span> std::size_t) {}</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; </div>
<div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#aae094f1bd8c3b2ef414cd65553e01ed2"> 180</a></span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#aae094f1bd8c3b2ef414cd65553e01ed2">swap_and_pop</a>(<span class="keyword">const</span> std::size_t, <span class="keywordtype">void</span> *) {}</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42"> 184</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> = Entity;</div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361"> 186</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> = std::size_t;</div>
<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#ac1ec801822e07322ff37412472bc040a"> 188</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classentt_1_1basic__sparse__set.html#ac1ec801822e07322ff37412472bc040a">iterator</a> = sparse_set_iterator;</div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a083b5d1855348959c94507c62e4560e3"> 190</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a083b5d1855348959c94507c62e4560e3">reverse_iterator</a> = <span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> *;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; </div>
<div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#ac10d76d13a4914ef750f489d57c7a030"> 193</a></span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#ac10d76d13a4914ef750f489d57c7a030">basic_sparse_set</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; </div>
<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a119fca5d1da75408c04a6bf1bea99244"> 196</a></span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#a119fca5d1da75408c04a6bf1bea99244">basic_sparse_set</a>(<a class="code" href="classentt_1_1basic__sparse__set.html">basic_sparse_set</a> &amp;&amp;) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; </div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#af7c4d3e05fcaf30227ce50c7f96a10c8"> 199</a></span>&#160; <span class="keyword">virtual</span> <a class="code" href="classentt_1_1basic__sparse__set.html#af7c4d3e05fcaf30227ce50c7f96a10c8">~basic_sparse_set</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; </div>
<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a8ee2299701078a3d87ee4fbc61a11c61"> 202</a></span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html">basic_sparse_set</a> &amp; <a class="code" href="classentt_1_1basic__sparse__set.html#a8ee2299701078a3d87ee4fbc61a11c61">operator=</a>(<a class="code" href="classentt_1_1basic__sparse__set.html">basic_sparse_set</a> &amp;&amp;) = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#abbac69bb690227ebebd22fd6c998ba69"> 212</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#abbac69bb690227ebebd22fd6c998ba69">reserve</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> cap) {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; packed.reserve(cap);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; }</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; </div>
<div class="line"><a name="l00221"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a0bbddfa69f645caafb82e804387f3389"> 221</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> <a class="code" href="classentt_1_1basic__sparse__set.html#a0bbddfa69f645caafb82e804387f3389">capacity</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="keywordflow">return</span> packed.capacity();</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; }</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; </div>
<div class="line"><a name="l00226"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a2a211d7468b9077d5fffd93aaf3ab212"> 226</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a2a211d7468b9077d5fffd93aaf3ab212">shrink_to_fit</a>() {</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="comment">// conservative approach</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keywordflow">if</span>(packed.empty()) {</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; sparse.clear();</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; }</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; sparse.shrink_to_fit();</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; packed.shrink_to_fit();</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; }</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; </div>
<div class="line"><a name="l00246"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a5d7f157d8f465d6d3dacf57e736cdbc2"> 246</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> <a class="code" href="classentt_1_1basic__sparse__set.html#a5d7f157d8f465d6d3dacf57e736cdbc2">extent</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; <span class="keywordflow">return</span> sparse.size() * page_size;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; </div>
<div class="line"><a name="l00260"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a7bc134edd13320429c9b68cc2d1bb430"> 260</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> <a class="code" href="classentt_1_1basic__sparse__set.html#a7bc134edd13320429c9b68cc2d1bb430">size</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="keywordflow">return</span> packed.size();</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; }</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; </div>
<div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a2a85fdd8f207758a5e4ccd5c2c3226f1"> 268</a></span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a2a85fdd8f207758a5e4ccd5c2c3226f1">empty</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="keywordflow">return</span> packed.empty();</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; }</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; </div>
<div class="line"><a name="l00284"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a172e26e57ceaa9ebda08b59d21b6e5ac"> 284</a></span>&#160; [[nodiscard]] <span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> * <a class="code" href="classentt_1_1basic__sparse__set.html#a172e26e57ceaa9ebda08b59d21b6e5ac">data</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; <span class="keywordflow">return</span> packed.data();</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; }</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; </div>
<div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#ab420a64fbdf29ece1938cd8ab0cb858c"> 297</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#ac1ec801822e07322ff37412472bc040a">iterator</a> <a class="code" href="classentt_1_1basic__sparse__set.html#ab420a64fbdf29ece1938cd8ab0cb858c">begin</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> traits_type::difference_type pos = packed.size();</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__sparse__set.html#ac1ec801822e07322ff37412472bc040a">iterator</a>{packed, pos};</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; }</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#af1804cba82f83af8bd700976408775e2"> 312</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#ac1ec801822e07322ff37412472bc040a">iterator</a> <a class="code" href="classentt_1_1basic__sparse__set.html#af1804cba82f83af8bd700976408775e2">end</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__sparse__set.html#ac1ec801822e07322ff37412472bc040a">iterator</a>{packed, {}};</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; }</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; </div>
<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a2539c915f1fa4e3595e8b01f157a9dd8"> 326</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#a083b5d1855348959c94507c62e4560e3">reverse_iterator</a> <a class="code" href="classentt_1_1basic__sparse__set.html#a2539c915f1fa4e3595e8b01f157a9dd8">rbegin</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; <span class="keywordflow">return</span> packed.data();</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; </div>
<div class="line"><a name="l00340"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a588b8484ca13a9419115b339987b7541"> 340</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#a083b5d1855348959c94507c62e4560e3">reverse_iterator</a> <a class="code" href="classentt_1_1basic__sparse__set.html#a588b8484ca13a9419115b339987b7541">rend</a>() const ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a2539c915f1fa4e3595e8b01f157a9dd8">rbegin</a>() + packed.size();</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; }</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; </div>
<div class="line"><a name="l00350"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#aa4c8802dc54456ad6c5ad29cdb370529"> 350</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#ac1ec801822e07322ff37412472bc040a">iterator</a> <a class="code" href="classentt_1_1basic__sparse__set.html#aa4c8802dc54456ad6c5ad29cdb370529">find</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__sparse__set.html#aeb829883e484fac948f907fdf5363d11">contains</a>(<a class="code" href="namespaceentt.html">entt</a>) ? --(<a class="code" href="classentt_1_1basic__sparse__set.html#af1804cba82f83af8bd700976408775e2">end</a>() - <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>(<a class="code" href="namespaceentt.html">entt</a>)) : <a class="code" href="classentt_1_1basic__sparse__set.html#af1804cba82f83af8bd700976408775e2">end</a>();</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; }</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; </div>
<div class="line"><a name="l00359"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#aeb829883e484fac948f907fdf5363d11"> 359</a></span>&#160; [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1basic__sparse__set.html#aeb829883e484fac948f907fdf5363d11">contains</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> curr = page(<a class="code" href="namespaceentt.html">entt</a>);</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="comment">// testing against null permits to avoid accessing the packed array</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <span class="keywordflow">return</span> (curr &lt; sparse.size() &amp;&amp; sparse[curr] &amp;&amp; sparse[curr][offset(<a class="code" href="namespaceentt.html">entt</a>)] != <span class="keyword">null</span>);</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; }</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; </div>
<div class="line"><a name="l00375"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3"> 375</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; ENTT_ASSERT(<a class="code" href="classentt_1_1basic__sparse__set.html#aeb829883e484fac948f907fdf5363d11">contains</a>(<a class="code" href="namespaceentt.html">entt</a>));</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">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>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; }</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; </div>
<div class="line"><a name="l00385"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a59c07ea42869c1ac22a3ed27ebe6d4e3"> 385</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> <a class="code" href="classentt_1_1basic__sparse__set.html#a59c07ea42869c1ac22a3ed27ebe6d4e3">at</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> pos)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160; <span class="keywordflow">return</span> pos &lt; packed.size() ? packed[pos] : <span class="keyword">null</span>;</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; }</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; </div>
<div class="line"><a name="l00394"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#af47a42337d592c6ffb548b6cdeb3c990"> 394</a></span>&#160; [[nodiscard]] <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> <a class="code" href="classentt_1_1basic__sparse__set.html#af47a42337d592c6ffb548b6cdeb3c990">operator[]</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> pos)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; ENTT_ASSERT(pos &lt; packed.size());</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; <span class="keywordflow">return</span> packed[pos];</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; }</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; </div>
<div class="line"><a name="l00408"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a5855f240d4e380467e6422edb9e06496"> 408</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a5855f240d4e380467e6422edb9e06496">emplace</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>) {</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; ENTT_ASSERT(!<a class="code" href="classentt_1_1basic__sparse__set.html#aeb829883e484fac948f907fdf5363d11">contains</a>(<a class="code" href="namespaceentt.html">entt</a>));</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; 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_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a>{<span class="keyword">static_cast&lt;</span>typename traits_type::entity_type<span class="keyword">&gt;</span>(packed.size())};</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160; packed.push_back(<a class="code" href="namespaceentt.html">entt</a>);</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160; }</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160; </div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> It&gt;</div>
<div class="line"><a name="l00426"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a4c63e08ff399077c5c8b9beef794e80a"> 426</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a4c63e08ff399077c5c8b9beef794e80a">insert</a>(It first, It last) {</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="keyword">auto</span> next = <span class="keyword">static_cast&lt;</span>typename traits_type::entity_type<span class="keyword">&gt;</span>(packed.size());</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; packed.insert(packed.end(), first, last);</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; </div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; <span class="keywordflow">for</span>(; first != last; ++first) {</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160; ENTT_ASSERT(!<a class="code" href="classentt_1_1basic__sparse__set.html#aeb829883e484fac948f907fdf5363d11">contains</a>(*first));</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; assure(page(*first))[offset(*first)] = <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a>{next++};</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; }</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; }</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; </div>
<div class="line"><a name="l00446"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a9b0b4d393afe8b75c7d9d64eec662a13"> 446</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a9b0b4d393afe8b75c7d9d64eec662a13">remove</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> <a class="code" href="namespaceentt.html">entt</a>, <span class="keywordtype">void</span> *ud = <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>&#160; ENTT_ASSERT(<a class="code" href="classentt_1_1basic__sparse__set.html#aeb829883e484fac948f907fdf5363d11">contains</a>(<a class="code" href="namespaceentt.html">entt</a>));</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>&#160; <span class="keyword">auto</span> &amp;ref = sparse[page(<a class="code" href="namespaceentt.html">entt</a>)][offset(<a class="code" href="namespaceentt.html">entt</a>)];</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>&#160; </div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>&#160; <span class="comment">// last chance to use the entity for derived classes and mixins, if any</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#aae094f1bd8c3b2ef414cd65553e01ed2">swap_and_pop</a>(<a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a>{<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(ref)}, ud);</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160; </div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> other = packed.back();</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>&#160; sparse[page(other)][offset(other)] = ref;</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>&#160; <span class="comment">// if it looks weird, imagine what the subtle bugs it prevents are</span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160; ENTT_ASSERT((packed.back() = <a class="code" href="namespaceentt.html">entt</a>, <span class="keyword">true</span>));</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>&#160; packed[<a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a>{<a class="code" href="namespaceentt.html#a71abd3e36498ea599ce0abc367d7c3ae">to_integral</a>(ref)}] = other;</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>&#160; ref = <span class="keyword">null</span>;</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>&#160; </div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>&#160; packed.pop_back();</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>&#160; }</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>&#160; </div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> It&gt;</div>
<div class="line"><a name="l00471"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a6be76483883a469befd13285dc286ba0"> 471</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a6be76483883a469befd13285dc286ba0">remove</a>(It first, It last, <span class="keywordtype">void</span> *ud = <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>&#160; <span class="keywordflow">for</span>(; first != last; ++first) {</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#a9b0b4d393afe8b75c7d9d64eec662a13">remove</a>(*first, ud);</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>&#160; }</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>&#160; }</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>&#160; </div>
<div class="line"><a name="l00490"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#aa344d6da890c4e8a587f186a2872b5b9"> 490</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#aa344d6da890c4e8a587f186a2872b5b9">swap</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> lhs, <span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a> rhs) {</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> from = <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>(lhs);</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> to = <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>(rhs);</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>&#160; std::swap(sparse[page(lhs)][offset(lhs)], sparse[page(rhs)][offset(rhs)]);</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>&#160; std::swap(packed[from], packed[to]);</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#a7ce171261140444caf3e940bc2dae122">swap_at</a>(from, to);</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>&#160; }</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>&#160; </div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>&#160; <span class="keyword">template</span>&lt;<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&gt;</div>
<div class="line"><a name="l00529"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a9172cbcd7ced65b6649224ca47b6d524"> 529</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a9172cbcd7ced65b6649224ca47b6d524">sort_n</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> count, Compare compare, Sort algo = Sort{}, Args &amp;&amp;... args) {</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>&#160; ENTT_ASSERT(!(count &gt; <a class="code" href="classentt_1_1basic__sparse__set.html#a7bc134edd13320429c9b68cc2d1bb430">size</a>()));</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>&#160; </div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>&#160; algo(packed.rend() - count, packed.rend(), std::move(compare), std::forward&lt;Args&gt;(args)...);</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>&#160; </div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>&#160; <span class="keywordflow">for</span>(<a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> pos{}; pos &lt; count; ++pos) {</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>&#160; <span class="keyword">auto</span> curr = pos;</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>&#160; <span class="keyword">auto</span> next = <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>(packed[curr]);</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>&#160; </div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>&#160; <span class="keywordflow">while</span>(curr != next) {</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> idx = <a class="code" href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">index</a>(packed[next]);</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> <a class="code" href="namespaceentt.html">entt</a> = packed[curr];</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>&#160; </div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#a7ce171261140444caf3e940bc2dae122">swap_at</a>(next, idx);</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>&#160; sparse[page(<a class="code" href="namespaceentt.html">entt</a>)][offset(<a class="code" href="namespaceentt.html">entt</a>)] = <a class="code" href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entity_type</a>{<span class="keyword">static_cast&lt;</span>typename traits_type::entity_type<span class="keyword">&gt;</span>(curr)};</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>&#160; </div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>&#160; curr = next;</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>&#160; next = idx;</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>&#160; }</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>&#160; }</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>&#160; }</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>&#160; </div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Compare, <span class="keyword">typename</span> Sort = std_sort, <span class="keyword">typename</span>... Args&gt;</div>
<div class="line"><a name="l00564"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a2a4d0296516d1d269b3a1e77b3632048"> 564</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a2a4d0296516d1d269b3a1e77b3632048">sort</a>(Compare compare, Sort algo = Sort{}, Args &amp;&amp;... args) {</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#a9172cbcd7ced65b6649224ca47b6d524">sort_n</a>(<a class="code" href="classentt_1_1basic__sparse__set.html#a7bc134edd13320429c9b68cc2d1bb430">size</a>(), std::move(compare), std::move(algo), std::forward&lt;Args&gt;(args)...);</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>&#160; }</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>&#160; </div>
<div class="line"><a name="l00583"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a0a588fd9b1e9288196c6786b5668e2f3"> 583</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a0a588fd9b1e9288196c6786b5668e2f3">respect</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__sparse__set.html">basic_sparse_set</a> &amp;other) {</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> to = other.<a class="code" href="classentt_1_1basic__sparse__set.html#af1804cba82f83af8bd700976408775e2">end</a>();</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>&#160; <span class="keyword">auto</span> from = other.<a class="code" href="classentt_1_1basic__sparse__set.html#ab420a64fbdf29ece1938cd8ab0cb858c">begin</a>();</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>&#160; </div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">size_type</a> pos = packed.size() - 1;</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>&#160; </div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>&#160; <span class="keywordflow">while</span>(pos &amp;&amp; from != to) {</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>&#160; <span class="keywordflow">if</span>(<a class="code" href="classentt_1_1basic__sparse__set.html#aeb829883e484fac948f907fdf5363d11">contains</a>(*from)) {</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>&#160; <span class="keywordflow">if</span>(*from != packed[pos]) {</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#aa344d6da890c4e8a587f186a2872b5b9">swap</a>(packed[pos], *from);</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>&#160; }</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>&#160; </div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>&#160; --pos;</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>&#160; }</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>&#160; </div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>&#160; ++from;</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>&#160; }</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>&#160; }</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>&#160; </div>
<div class="line"><a name="l00606"></a><span class="lineno"><a class="line" href="classentt_1_1basic__sparse__set.html#a6263cb77af755e7f18a67bb1134605e9"> 606</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__sparse__set.html#a6263cb77af755e7f18a67bb1134605e9">clear</a>(<span class="keywordtype">void</span> *ud = <span class="keyword">nullptr</span>) ENTT_NOEXCEPT {</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>&#160; <a class="code" href="classentt_1_1basic__sparse__set.html#a9b0b4d393afe8b75c7d9d64eec662a13">remove</a>(<a class="code" href="classentt_1_1basic__sparse__set.html#ab420a64fbdf29ece1938cd8ab0cb858c">begin</a>(), <a class="code" href="classentt_1_1basic__sparse__set.html#af1804cba82f83af8bd700976408775e2">end</a>(), ud);</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>&#160; }</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>&#160; </div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>&#160; std::vector&lt;page_type&gt; sparse;</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>&#160; std::vector&lt;entity_type&gt; packed;</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>&#160;};</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>&#160; </div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>&#160; </div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>&#160;}</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>&#160; </div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>&#160; </div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>&#160;<span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a350b507e85eea1ee4f562374b1d47e42"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a350b507e85eea1ee4f562374b1d47e42">entt::basic_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#l00184">sparse_set.hpp:184</a></div></div>
<div class="ttc" id="anamespaceentt_html_ad801f15accdf588b163ce48ce9209bf6"><div class="ttname"><a href="namespaceentt.html#ad801f15accdf588b163ce48ce9209bf6">entt::operator==</a></div><div class="ttdeci">constexpr bool operator==(const Entity &amp;entity, const null_t &amp;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>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_af1804cba82f83af8bd700976408775e2"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#af1804cba82f83af8bd700976408775e2">entt::basic_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#l00312">sparse_set.hpp:312</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a119fca5d1da75408c04a6bf1bea99244"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a119fca5d1da75408c04a6bf1bea99244">entt::basic_sparse_set::basic_sparse_set</a></div><div class="ttdeci">basic_sparse_set(basic_sparse_set &amp;&amp;)=default</div><div class="ttdoc">Default move constructor.</div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_af7c4d3e05fcaf30227ce50c7f96a10c8"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#af7c4d3e05fcaf30227ce50c7f96a10c8">entt::basic_sparse_set::~basic_sparse_set</a></div><div class="ttdeci">virtual ~basic_sparse_set()=default</div><div class="ttdoc">Default destructor.</div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a9172cbcd7ced65b6649224ca47b6d524"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a9172cbcd7ced65b6649224ca47b6d524">entt::basic_sparse_set::sort_n</a></div><div class="ttdeci">void sort_n(const size_type count, Compare compare, Sort algo=Sort{}, Args &amp;&amp;... args)</div><div class="ttdoc">Sort the first count elements according to the given comparison function.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00529">sparse_set.hpp:529</a></div></div>
<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>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_abbac69bb690227ebebd22fd6c998ba69"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#abbac69bb690227ebebd22fd6c998ba69">entt::basic_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#l00212">sparse_set.hpp:212</a></div></div>
<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&lt; Type... &gt; 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>
<div class="ttc" id="anamespaceentt_html_a6c6e966c8af5b1452811aa55adbbdf47"><div class="ttname"><a href="namespaceentt.html#a6c6e966c8af5b1452811aa55adbbdf47">entt::operator+</a></div><div class="ttdeci">constexpr type_list&lt; Type..., Other... &gt; operator+(type_list&lt; Type... &gt;, type_list&lt; Other... &gt;)</div><div class="ttdoc">Concatenates multiple type lists.</div><div class="ttdef"><b>Definition:</b> <a href="core_2type__traits_8hpp_source.html#l00180">type_traits.hpp:180</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a0a588fd9b1e9288196c6786b5668e2f3"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a0a588fd9b1e9288196c6786b5668e2f3">entt::basic_sparse_set::respect</a></div><div class="ttdeci">void respect(const basic_sparse_set &amp;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#l00583">sparse_set.hpp:583</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a9b0b4d393afe8b75c7d9d64eec662a13"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a9b0b4d393afe8b75c7d9d64eec662a13">entt::basic_sparse_set::remove</a></div><div class="ttdeci">void remove(const entity_type entt, void *ud=nullptr)</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#l00446">sparse_set.hpp:446</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_af47a42337d592c6ffb548b6cdeb3c990"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#af47a42337d592c6ffb548b6cdeb3c990">entt::basic_sparse_set::operator[]</a></div><div class="ttdeci">entity_type operator[](const size_type pos) const</div><div class="ttdoc">Returns the entity at specified location, without bounds checking.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00394">sparse_set.hpp:394</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a588b8484ca13a9419115b339987b7541"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a588b8484ca13a9419115b339987b7541">entt::basic_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#l00340">sparse_set.hpp:340</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a7bc134edd13320429c9b68cc2d1bb430"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a7bc134edd13320429c9b68cc2d1bb430">entt::basic_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#l00260">sparse_set.hpp:260</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a6263cb77af755e7f18a67bb1134605e9"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a6263cb77af755e7f18a67bb1134605e9">entt::basic_sparse_set::clear</a></div><div class="ttdeci">void clear(void *ud=nullptr) noexcept</div><div class="ttdoc">Clears a sparse set.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00606">sparse_set.hpp:606</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a5d7f157d8f465d6d3dacf57e736cdbc2"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a5d7f157d8f465d6d3dacf57e736cdbc2">entt::basic_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#l00246">sparse_set.hpp:246</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_aa344d6da890c4e8a587f186a2872b5b9"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#aa344d6da890c4e8a587f186a2872b5b9">entt::basic_sparse_set::swap</a></div><div class="ttdeci">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#l00490">sparse_set.hpp:490</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a0bbddfa69f645caafb82e804387f3389"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a0bbddfa69f645caafb82e804387f3389">entt::basic_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#l00221">sparse_set.hpp:221</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_aae094f1bd8c3b2ef414cd65553e01ed2"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#aae094f1bd8c3b2ef414cd65553e01ed2">entt::basic_sparse_set::swap_and_pop</a></div><div class="ttdeci">virtual void swap_and_pop(const std::size_t, void *)</div><div class="ttdoc">Attempts to remove an entity from the internal packed array.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00180">sparse_set.hpp:180</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_ac1ec801822e07322ff37412472bc040a"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#ac1ec801822e07322ff37412472bc040a">entt::basic_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#l00188">sparse_set.hpp:188</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a2a211d7468b9077d5fffd93aaf3ab212"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a2a211d7468b9077d5fffd93aaf3ab212">entt::basic_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#l00226">sparse_set.hpp:226</a></div></div>
<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>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a2539c915f1fa4e3595e8b01f157a9dd8"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a2539c915f1fa4e3595e8b01f157a9dd8">entt::basic_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#l00326">sparse_set.hpp:326</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html">entt::basic_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>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_ab420a64fbdf29ece1938cd8ab0cb858c"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#ab420a64fbdf29ece1938cd8ab0cb858c">entt::basic_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#l00297">sparse_set.hpp:297</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_aa4c8802dc54456ad6c5ad29cdb370529"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#aa4c8802dc54456ad6c5ad29cdb370529">entt::basic_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#l00350">sparse_set.hpp:350</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a59c07ea42869c1ac22a3ed27ebe6d4e3"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a59c07ea42869c1ac22a3ed27ebe6d4e3">entt::basic_sparse_set::at</a></div><div class="ttdeci">entity_type at(const size_type pos) const</div><div class="ttdoc">Returns the entity at specified location, with bounds checking.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00385">sparse_set.hpp:385</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a4b021680642656b85abb01e503cf1361"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a4b021680642656b85abb01e503cf1361">entt::basic_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#l00186">sparse_set.hpp:186</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a5855f240d4e380467e6422edb9e06496"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a5855f240d4e380467e6422edb9e06496">entt::basic_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#l00408">sparse_set.hpp:408</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a2a85fdd8f207758a5e4ccd5c2c3226f1"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a2a85fdd8f207758a5e4ccd5c2c3226f1">entt::basic_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#l00268">sparse_set.hpp:268</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a172e26e57ceaa9ebda08b59d21b6e5ac"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a172e26e57ceaa9ebda08b59d21b6e5ac">entt::basic_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#l00284">sparse_set.hpp:284</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a4c63e08ff399077c5c8b9beef794e80a"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a4c63e08ff399077c5c8b9beef794e80a">entt::basic_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#l00426">sparse_set.hpp:426</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a2a4d0296516d1d269b3a1e77b3632048"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a2a4d0296516d1d269b3a1e77b3632048">entt::basic_sparse_set::sort</a></div><div class="ttdeci">void sort(Compare compare, Sort algo=Sort{}, Args &amp;&amp;... args)</div><div class="ttdoc">Sort all elements according to the given comparison function.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00564">sparse_set.hpp:564</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_ac10d76d13a4914ef750f489d57c7a030"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#ac10d76d13a4914ef750f489d57c7a030">entt::basic_sparse_set::basic_sparse_set</a></div><div class="ttdeci">basic_sparse_set()=default</div><div class="ttdoc">Default constructor.</div></div>
<div class="ttc" id="anamespaceentt_html_ad0e7f23a35b9c534a369321633876b31"><div class="ttname"><a href="namespaceentt.html#ad0e7f23a35b9c534a369321633876b31">entt::operator!=</a></div><div class="ttdeci">bool operator!=(const basic_any&lt; Len, Align &gt; &amp;lhs, const basic_any&lt; Len, Align &gt; &amp;rhs) noexcept</div><div class="ttdoc">Checks if two wrappers differ in their content.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00348">any.hpp:348</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_abb0f4c36135a1d52f4993701c070b9a3"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#abb0f4c36135a1d52f4993701c070b9a3">entt::basic_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#l00375">sparse_set.hpp:375</a></div></div>
<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>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_aeb829883e484fac948f907fdf5363d11"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#aeb829883e484fac948f907fdf5363d11">entt::basic_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#l00359">sparse_set.hpp:359</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a6be76483883a469befd13285dc286ba0"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a6be76483883a469befd13285dc286ba0">entt::basic_sparse_set::remove</a></div><div class="ttdeci">void remove(It first, It last, void *ud=nullptr)</div><div class="ttdoc">Removes multiple entities from a pool.</div><div class="ttdef"><b>Definition:</b> <a href="sparse__set_8hpp_source.html#l00471">sparse_set.hpp:471</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a083b5d1855348959c94507c62e4560e3"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a083b5d1855348959c94507c62e4560e3">entt::basic_sparse_set&lt; entity_type &gt;::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#l00190">sparse_set.hpp:190</a></div></div>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a8ee2299701078a3d87ee4fbc61a11c61"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a8ee2299701078a3d87ee4fbc61a11c61">entt::basic_sparse_set::operator=</a></div><div class="ttdeci">basic_sparse_set &amp; operator=(basic_sparse_set &amp;&amp;)=default</div><div class="ttdoc">Default move assignment operator.</div></div>
<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>
<div class="ttc" id="aclassentt_1_1basic__sparse__set_html_a7ce171261140444caf3e940bc2dae122"><div class="ttname"><a href="classentt_1_1basic__sparse__set.html#a7ce171261140444caf3e940bc2dae122">entt::basic_sparse_set::swap_at</a></div><div class="ttdeci">virtual void swap_at(const std::size_t, const std::size_t)</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#l00177">sparse_set.hpp:177</a></div></div>
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