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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_66e9674e8206a335795995fa32a03c91.html">entt</a></li><li class="navelem"><a class="el" href="dir_de8f4e6ba3f54a2a21309f742e93a373.html">core</a></li> </ul>
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<div class="title">any.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef ENTT_CORE_ANY_HPP</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define ENTT_CORE_ANY_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 <cstddef></span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <functional></span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <type_traits></span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <utility></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "../config/config.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "../core/utility.hpp"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "fwd.hpp"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "type_info.hpp"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "type_traits.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="l00025"></a><span class="lineno"> 25</span> <span class="keyword">template</span><std::<span class="keywordtype">size_t</span> Len, std::<span class="keywordtype">size_t</span> Align></div>
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<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html"> 26</a></span> <span class="keyword">class </span><a class="code" href="classentt_1_1basic__any.html">basic_any</a> {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">enum class</span> operation: std::uint8_t { COPY, MOVE, DTOR, COMP, ADDR, CADDR, TYPE };</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">enum class</span> policy: std::uint8_t { OWNER, REF, CREF };</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">using</span> storage_type = std::aligned_storage_t<Len + !Len, Align>;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">using</span> vtable_type = <span class="keyword">const</span> <span class="keywordtype">void</span> *(<span class="keyword">const</span> operation, <span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any</a> &, <span class="keywordtype">void</span> *);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> in_situ = Len && <span class="keyword">alignof</span>(Type) <= <span class="keyword">alignof</span>(storage_type) && <span class="keyword">sizeof</span>(Type) <= <span class="keyword">sizeof</span>(storage_type) && std::is_nothrow_move_constructible_v<Type>;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  [[nodiscard]] <span class="keyword">static</span> constexpr policy type_to_policy() {</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordflow">if</span> constexpr(std::is_lvalue_reference_v<Type>) {</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> constexpr(std::is_const_v<std::remove_reference_t<Type>>) {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">return</span> policy::CREF;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> policy::REF;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> policy::OWNER;</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>  }</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  [[nodiscard]] <span class="keyword">static</span> <span class="keywordtype">bool</span> compare(<span class="keyword">const</span> <span class="keywordtype">void</span> *lhs, <span class="keyword">const</span> <span class="keywordtype">void</span> *rhs) {</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span> constexpr(!std::is_function_v<Type> && is_equality_comparable_v<Type>) {</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> *<span class="keyword">static_cast<</span><span class="keyword">const </span>Type *<span class="keyword">></span>(lhs) == *<span class="keyword">static_cast<</span><span class="keyword">const </span>Type *<span class="keyword">></span>(rhs);</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> lhs == rhs;</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>  }</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">void</span> * basic_vtable([[maybe_unused]] <span class="keyword">const</span> operation op, [[maybe_unused]] <span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any</a> &from, [[maybe_unused]] <span class="keywordtype">void</span> *to) {</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  static_assert(std::is_same_v<std::remove_reference_t<std::remove_const_t<Type>>, Type>, <span class="stringliteral">"Invalid type"</span>);</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> constexpr(!std::is_void_v<Type>) {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> Type *instance = (in_situ<Type> && from.mode == policy::OWNER)</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  ? ENTT_LAUNDER(<span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>Type *<span class="keyword">></span>(&from.storage))</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  : <span class="keyword">static_cast<</span><span class="keyword">const </span>Type *<span class="keyword">></span>(from.instance);</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>  <span class="keywordflow">switch</span>(op) {</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">case</span> operation::COPY:</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> constexpr(std::is_copy_constructible_v<Type>) {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">static_cast<</span><a class="code" href="classentt_1_1basic__any.html">basic_any</a> *<span class="keyword">></span>(to)->emplace<Type>(*instance);</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>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">case</span> operation::MOVE:</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">if</span> constexpr(in_situ<Type>) {</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span>(from.mode == policy::OWNER) {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> (&<span class="keyword">static_cast<</span><a class="code" href="classentt_1_1basic__any.html">basic_any</a> *<span class="keyword">></span>(to)-><a class="code" href="structentt_1_1basic__storage.html">storage</a>) Type{std::move(*<span class="keyword">const_cast<</span>Type *<span class="keyword">></span>(instance))};</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>  }</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> (<span class="keyword">static_cast<</span><a class="code" href="classentt_1_1basic__any.html">basic_any</a> *<span class="keyword">></span>(to)->instance = std::exchange(<span class="keyword">const_cast<</span><a class="code" href="classentt_1_1basic__any.html">basic_any</a> &<span class="keyword">></span>(from).instance, <span class="keyword">nullptr</span>));</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">case</span> operation::DTOR:</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span>(from.mode == policy::OWNER) {</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> constexpr(in_situ<Type>) {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  instance->~Type();</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> constexpr(std::is_array_v<Type>) {</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">delete</span>[] instance;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">delete</span> instance;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</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>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">case</span> operation::COMP:</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> compare<Type>(instance, (*<span class="keyword">static_cast<</span><span class="keyword">const </span><a class="code" href="classentt_1_1basic__any.html">basic_any</a> **<span class="keyword">></span>(to))-><a class="code" href="classentt_1_1basic__any.html#a237dfc1f1c43bf5c0358b32896eda8c4">data</a>()) ? to : <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">case</span> operation::ADDR:</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span>(from.mode == policy::CREF) {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  [[fallthrough]];</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">case</span> operation::CADDR:</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> instance;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">case</span> operation::TYPE:</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  *<span class="keyword">static_cast<</span><a class="code" href="classentt_1_1type__info.html">type_info</a> *<span class="keyword">></span>(to) = type_id<Type>();</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">break</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>  }</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</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>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">void</span> initialize([[maybe_unused]] Args &&... args) {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> constexpr(!std::is_void_v<Type>) {</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">if</span> constexpr(std::is_lvalue_reference_v<Type>) {</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  static_assert(<span class="keyword">sizeof</span>...(Args) == 1u && (std::is_lvalue_reference_v<Args> && ...), <span class="stringliteral">"Invalid arguments"</span>);</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  instance = (std::addressof(args), ...);</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> constexpr(in_situ<Type>) {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> constexpr(<span class="keyword">sizeof</span>...(Args) != 0u && std::is_aggregate_v<Type>) {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">new</span> (&<a class="code" href="structentt_1_1basic__storage.html">storage</a>) Type{std::forward<Args>(args)...};</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">new</span> (&<a class="code" href="structentt_1_1basic__storage.html">storage</a>) Type(std::forward<Args>(args)...);</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>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> constexpr(<span class="keyword">sizeof</span>...(Args) != 0u && std::is_aggregate_v<Type>) {</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  instance = <span class="keyword">new</span> Type{std::forward<Args>(args)...};</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  instance = <span class="keyword">new</span> Type(std::forward<Args>(args)...);</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</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>  }</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="classentt_1_1basic__any.html#aab031eb7bfb02eb4e6ca6b170e3a2335">basic_any</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any</a> &other, <span class="keyword">const</span> policy pol) ENTT_NOEXCEPT</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  : instance{other.<a class="code" href="classentt_1_1basic__any.html#a237dfc1f1c43bf5c0358b32896eda8c4">data</a>()},</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  vtable{other.vtable},</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  mode{pol}</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> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a5fbc1fb99c934c59524af552ae2a33c3"> 140</a></span>  <span class="keyword">static</span> constexpr <span class="keyword">auto</span> <a class="code" href="classentt_1_1basic__any.html#a5fbc1fb99c934c59524af552ae2a33c3">length</a> = Len;</div>
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<div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a8248e8443c6208077db312079a05fd96"> 142</a></span>  <span class="keyword">static</span> constexpr <span class="keyword">auto</span> <a class="code" href="classentt_1_1basic__any.html#a8248e8443c6208077db312079a05fd96">alignment</a> = Align;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
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<div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#aab031eb7bfb02eb4e6ca6b170e3a2335"> 145</a></span>  <a class="code" href="classentt_1_1basic__any.html#aab031eb7bfb02eb4e6ca6b170e3a2335">basic_any</a>() ENTT_NOEXCEPT</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  : instance{},</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  vtable{&basic_vtable<void>},</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  mode{policy::OWNER}</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  {}</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="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a46274e39f2a4a355ad3616356545708e"> 158</a></span>  <span class="keyword">explicit</span> <a class="code" href="classentt_1_1basic__any.html#a46274e39f2a4a355ad3616356545708e">basic_any</a>(std::in_place_type_t<Type>, Args &&... args)</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  : instance{},</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  vtable{&basic_vtable<std::remove_const_t<std::remove_reference_t<Type>>>},</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  mode{type_to_policy<Type>()}</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  {</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  initialize<Type>(std::forward<Args>(args)...);</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>  </div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
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<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#ae6e5a79001713fcc0020b9fde2493d4e"> 172</a></span>  <a class="code" href="classentt_1_1basic__any.html#ae6e5a79001713fcc0020b9fde2493d4e">basic_any</a>(std::reference_wrapper<Type> value) ENTT_NOEXCEPT</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  : <a class="code" href="classentt_1_1basic__any.html">basic_any</a>{}</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>  <span class="comment">// invokes deprecated assignment operator (and avoids issues with vs2017)</span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  *<span class="keyword">this</span> = value;</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type, <span class="keyword">typename</span> = std::enable_if_t<!std::is_same_v<std::decay_t<Type>, basic_any>>></div>
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|
<div class="line"><a name="l00185"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#afb1d00c509ae9127faa1cc2a5887bdab"> 185</a></span>  <a class="code" href="classentt_1_1basic__any.html#afb1d00c509ae9127faa1cc2a5887bdab">basic_any</a>(Type &&value)</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  : instance{},</div>
|
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  vtable{&basic_vtable<std::decay_t<Type>>},</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  mode{policy::OWNER}</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  initialize<std::decay_t<Type>>(std::forward<Type>(value));</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="l00192"></a><span class="lineno"> 192</span>  </div>
|
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<div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a3196700b32252e5b59a79994b907afda"> 197</a></span>  <a class="code" href="classentt_1_1basic__any.html#a3196700b32252e5b59a79994b907afda">basic_any</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any</a> &other)</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  : instance{},</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  vtable{&basic_vtable<void>},</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  mode{policy::OWNER}</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  {</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  other.vtable(operation::COPY, other, <span class="keyword">this</span>);</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
|
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
|
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<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#abf56dc5f3a8324c15b40bf6c2a800702"> 209</a></span>  <a class="code" href="classentt_1_1basic__any.html#abf56dc5f3a8324c15b40bf6c2a800702">basic_any</a>(<a class="code" href="classentt_1_1basic__any.html">basic_any</a> &&other) ENTT_NOEXCEPT</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  : instance{},</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  vtable{other.vtable},</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  mode{other.mode}</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  {</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  vtable(operation::MOVE, other, <span class="keyword">this</span>);</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
|
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<div class="line"><a name="l00218"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#ab103382955f577cd8a714c7b5b89d9c6"> 218</a></span>  <a class="code" href="classentt_1_1basic__any.html#ab103382955f577cd8a714c7b5b89d9c6">~basic_any</a>() {</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  vtable(operation::DTOR, *<span class="keyword">this</span>, <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div>
|
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  </div>
|
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<div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a2918b13d6957ccaae7796ea76be6807f"> 227</a></span>  <a class="code" href="classentt_1_1basic__any.html">basic_any</a> & <a class="code" href="classentt_1_1basic__any.html#a2918b13d6957ccaae7796ea76be6807f">operator=</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any</a> &other) {</div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <a class="code" href="classentt_1_1basic__any.html#a0f267d3bbc148e7e240b902b1819c9a6">reset</a>();</div>
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|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  other.vtable(operation::COPY, other, <span class="keyword">this</span>);</div>
|
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
|
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
|
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
|
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<div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#ab8d80c9b2be44588959c2a3cb451c162"> 238</a></span>  <a class="code" href="classentt_1_1basic__any.html">basic_any</a> & <a class="code" href="classentt_1_1basic__any.html#ab8d80c9b2be44588959c2a3cb451c162">operator=</a>(<a class="code" href="classentt_1_1basic__any.html">basic_any</a> &&other) ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  std::exchange(vtable, other.vtable)(operation::DTOR, *<span class="keyword">this</span>, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  other.vtable(operation::MOVE, other, <span class="keyword">this</span>);</div>
|
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  mode = other.mode;</div>
|
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
|
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
|
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  </div>
|
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
|
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  [[deprecated(<span class="stringliteral">"Use std::in_place_type<T &>, entt::make_any<T &>, emplace<Type &> or forward_as_any instead"</span>)]]</div>
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<div class="line"><a name="l00253"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#af4a0f37cb196c7f062386be34c61554a"> 253</a></span>  <a class="code" href="classentt_1_1basic__any.html">basic_any</a> & <a class="code" href="classentt_1_1basic__any.html#af4a0f37cb196c7f062386be34c61554a">operator=</a>(std::reference_wrapper<Type> value) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  emplace<Type &>(value.get());</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
|
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<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>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type></div>
|
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  std::enable_if_t<!std::is_same_v<std::decay_t<Type>, <a class="code" href="classentt_1_1basic__any.html">basic_any</a>>, <a class="code" href="classentt_1_1basic__any.html">basic_any</a> &></div>
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<div class="line"><a name="l00266"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a58bb0a9c97a6a75e5b7984acf6fd268b"> 266</a></span>  <a class="code" href="classentt_1_1basic__any.html#a58bb0a9c97a6a75e5b7984acf6fd268b">operator=</a>(Type &&value) {</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  emplace<std::decay_t<Type>>(std::forward<Type>(value));</div>
|
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
|
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div>
|
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div>
|
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<div class="line"><a name="l00275"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#aa3306eda6289209c62103b464f9274a2"> 275</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1type__info.html">type_info</a> <a class="code" href="classentt_1_1basic__any.html#aa3306eda6289209c62103b464f9274a2">type</a>() const ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <a class="code" href="classentt_1_1type__info.html">type_info</a> info{};</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  vtable(operation::TYPE, *<span class="keyword">this</span>, &info);</div>
|
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span> info;</div>
|
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div>
|
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  </div>
|
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<div class="line"><a name="l00285"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a237dfc1f1c43bf5c0358b32896eda8c4"> 285</a></span>  [[nodiscard]] <span class="keyword">const</span> <span class="keywordtype">void</span> * <a class="code" href="classentt_1_1basic__any.html#a237dfc1f1c43bf5c0358b32896eda8c4">data</a>() const ENTT_NOEXCEPT {</div>
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|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> vtable(operation::CADDR, *<span class="keyword">this</span>, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  </div>
|
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<div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a3115608210ccfa59b915b1d9d24d9ef9"> 290</a></span>  [[nodiscard]] <span class="keywordtype">void</span> * <a class="code" href="classentt_1_1basic__any.html#a3115608210ccfa59b915b1d9d24d9ef9">data</a>() ENTT_NOEXCEPT {</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">return</span> <span class="keyword">const_cast<</span><span class="keywordtype">void</span> *<span class="keyword">></span>(vtable(operation::ADDR, *<span class="keyword">this</span>, <span class="keyword">nullptr</span>));</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  </div>
|
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Type, <span class="keyword">typename</span>... Args></div>
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|
<div class="line"><a name="l00301"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a49b67a9480577a425c502085858c0fb0"> 301</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__any.html#a49b67a9480577a425c502085858c0fb0">emplace</a>(Args &&... args) {</div>
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|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  std::exchange(vtable, &basic_vtable<std::remove_const_t<std::remove_reference_t<Type>>>)(operation::DTOR, *<span class="keyword">this</span>, <span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  mode = type_to_policy<Type>();</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  initialize<Type>(std::forward<Args>(args)...);</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
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<div class="line"><a name="l00308"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a0f267d3bbc148e7e240b902b1819c9a6"> 308</a></span>  <span class="keywordtype">void</span> <a class="code" href="classentt_1_1basic__any.html#a0f267d3bbc148e7e240b902b1819c9a6">reset</a>() {</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  std::exchange(vtable, &basic_vtable<void>)(operation::DTOR, *<span class="keyword">this</span>, <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  mode = policy::OWNER;</div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  </div>
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<div class="line"><a name="l00317"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a071b4fda8629b1767b384d01a0113496"> 317</a></span>  [[nodiscard]] <span class="keyword">explicit</span> <span class="keyword">operator</span> bool() const ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">return</span> !(vtable(operation::CADDR, *<span class="keyword">this</span>, <span class="keyword">nullptr</span>) == <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
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<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#adc66c85290945fc808d1979db9040454"> 326</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1basic__any.html#adc66c85290945fc808d1979db9040454">operator==</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any</a> &other) <span class="keyword">const</span> ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any</a> *trampoline = &other;</div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__any.html#aa3306eda6289209c62103b464f9274a2">type</a>() == other.<a class="code" href="classentt_1_1basic__any.html#aa3306eda6289209c62103b464f9274a2">type</a>() && (vtable(operation::COMP, *<span class="keyword">this</span>, &trampoline) || !other.<a class="code" href="classentt_1_1basic__any.html#a237dfc1f1c43bf5c0358b32896eda8c4">data</a>());</div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
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<div class="line"><a name="l00335"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a7489b6cb743e74b8afcee0f66799b535"> 335</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1basic__any.html">basic_any</a> <a class="code" href="classentt_1_1basic__any.html#a7489b6cb743e74b8afcee0f66799b535">as_ref</a>() ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__any.html">basic_any</a>{*<span class="keyword">this</span>, (mode == policy::CREF ? policy::CREF : policy::REF)};</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  </div>
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<div class="line"><a name="l00340"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#a50d19ca1f8421f57ba9765312935ee92"> 340</a></span>  [[nodiscard]] <a class="code" href="classentt_1_1basic__any.html">basic_any</a> <a class="code" href="classentt_1_1basic__any.html#a50d19ca1f8421f57ba9765312935ee92">as_ref</a>() const ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__any.html">basic_any</a>{*<span class="keyword">this</span>, policy::CREF};</div>
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div>
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<div class="line"><a name="l00348"></a><span class="lineno"><a class="line" href="classentt_1_1basic__any.html#ae20c3f5eecdcdaf715b332bbc363ee4d"> 348</a></span>  [[nodiscard]] <span class="keywordtype">bool</span> <a class="code" href="classentt_1_1basic__any.html#ae20c3f5eecdcdaf715b332bbc363ee4d">owner</a>() const ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">return</span> (mode == policy::OWNER);</div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  </div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keyword">union </span>{ <span class="keyword">const</span> <span class="keywordtype">void</span> *instance; storage_type <a class="code" href="structentt_1_1basic__storage.html">storage</a>; };</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  vtable_type *vtable;</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  policy mode;</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</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="l00367"></a><span class="lineno"> 367</span> <span class="keyword">template</span><std::<span class="keywordtype">size_t</span> Len, std::<span class="keywordtype">size_t</span> Align></div>
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<div class="line"><a name="l00368"></a><span class="lineno"><a class="line" href="namespaceentt.html#ae38ac5bc7b9097ec21eb1058db206cff"> 368</a></span> [[nodiscard]] <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceentt.html#ae38ac5bc7b9097ec21eb1058db206cff">operator!=</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a> &lhs, <span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a> &rhs) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">return</span> !(lhs == rhs);</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> }</div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  </div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  </div>
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<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type, std::<span class="keywordtype">size_t</span> Len, std::<span class="keywordtype">size_t</span> Align></div>
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<div class="line"><a name="l00382"></a><span class="lineno"><a class="line" href="namespaceentt.html#a2364ab41cab0fccd92cdaaf8779581cb"> 382</a></span> Type <a class="code" href="namespaceentt.html#a2364ab41cab0fccd92cdaaf8779581cb">any_cast</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a> &data) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keyword">const</span> <span class="keyword">auto</span> * <span class="keyword">const</span> instance = any_cast<std::remove_reference_t<Type>>(&data);</div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  ENTT_ASSERT(instance, <span class="stringliteral">"Invalid instance"</span>);</div>
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Type<span class="keyword">></span>(*instance);</div>
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> }</div>
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<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  </div>
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  </div>
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<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type, std::<span class="keywordtype">size_t</span> Len, std::<span class="keywordtype">size_t</span> Align></div>
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<div class="line"><a name="l00391"></a><span class="lineno"><a class="line" href="namespaceentt.html#a7c210bb2e08d184415f5c5680d87d74e"> 391</a></span> Type <a class="code" href="namespaceentt.html#a2364ab41cab0fccd92cdaaf8779581cb">any_cast</a>(<a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a> &data) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="comment">// forces const on non-reference types to make them work also with wrappers for const references</span></div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">auto</span> * <span class="keyword">const</span> instance = any_cast<std::remove_reference_t<const Type>>(&data);</div>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  ENTT_ASSERT(instance, <span class="stringliteral">"Invalid instance"</span>);</div>
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<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Type<span class="keyword">></span>(*instance);</div>
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<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> }</div>
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<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  </div>
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<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  </div>
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<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type, std::<span class="keywordtype">size_t</span> Len, std::<span class="keywordtype">size_t</span> Align></div>
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<div class="line"><a name="l00401"></a><span class="lineno"><a class="line" href="namespaceentt.html#a1ade9ac7c0844a7c154287ca96ceba08"> 401</a></span> Type <a class="code" href="namespaceentt.html#a2364ab41cab0fccd92cdaaf8779581cb">any_cast</a>(<a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a> &&data) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="comment">// forces const on non-reference types to make them work also with wrappers for const references</span></div>
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<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">auto</span> * <span class="keyword">const</span> instance = any_cast<std::remove_reference_t<const Type>>(&data);</div>
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<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  ENTT_ASSERT(instance, <span class="stringliteral">"Invalid instance"</span>);</div>
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<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>Type<span class="keyword">></span>(std::move(*instance));</div>
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<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> }</div>
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<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  </div>
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<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  </div>
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<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type, std::<span class="keywordtype">size_t</span> Len, std::<span class="keywordtype">size_t</span> Align></div>
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<div class="line"><a name="l00411"></a><span class="lineno"><a class="line" href="namespaceentt.html#aeaf3e0080cf2091703718dcbe558171b"> 411</a></span> <span class="keyword">const</span> Type * <a class="code" href="namespaceentt.html#a2364ab41cab0fccd92cdaaf8779581cb">any_cast</a>(<span class="keyword">const</span> <a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a> *data) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">return</span> (data->type() == type_id<Type>() ? <span class="keyword">static_cast<</span><span class="keyword">const </span>Type *<span class="keyword">></span>(data->data()) : <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> }</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </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="l00417"></a><span class="lineno"> 417</span> <span class="keyword">template</span><<span class="keyword">typename</span> Type, std::<span class="keywordtype">size_t</span> Len, std::<span class="keywordtype">size_t</span> Align></div>
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<div class="line"><a name="l00418"></a><span class="lineno"><a class="line" href="namespaceentt.html#ac53c0786eb32685bbbfc6a2b9806338b"> 418</a></span> Type * <a class="code" href="namespaceentt.html#a2364ab41cab0fccd92cdaaf8779581cb">any_cast</a>(<a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a> *data) ENTT_NOEXCEPT {</div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// last attempt to make wrappers for const references return their values</span></div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">return</span> (data->type() == type_id<Type>() ? <span class="keyword">static_cast<</span>Type *<span class="keyword">></span>(<span class="keyword">static_cast<</span><a class="code" href="namespaceentt.html#a7b051461867d3c5c97f77f10b662c26b">constness_as_t<basic_any<Len, Align></a>, Type<span class="keyword">></span> *>(data)->data()) : <span class="keyword">nullptr</span>);</div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> }</div>
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  </div>
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> template<typename Type, std::size_t Len = basic_any<>::length, std::size_t Align = <a class="code" href="classentt_1_1basic__any.html#a8248e8443c6208077db312079a05fd96">basic_any<Len>::alignment</a>, <span class="keyword">typename</span>... Args></div>
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<div class="line"><a name="l00434"></a><span class="lineno"><a class="line" href="namespaceentt.html#abd78292ee5137d33a4635bd55e99bf7e"> 434</a></span> <a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a> <a class="code" href="namespaceentt.html#abd78292ee5137d33a4635bd55e99bf7e">make_any</a>(Args &&... args) {</div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a>{std::in_place_type<Type>, std::forward<Args>(args)...};</div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> }</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="l00447"></a><span class="lineno"> 447</span> template<std::size_t Len = basic_any<>::length, std::size_t Align = <a class="code" href="classentt_1_1basic__any.html#a8248e8443c6208077db312079a05fd96">basic_any<Len>::alignment</a>, <span class="keyword">typename</span> Type></div>
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<div class="line"><a name="l00448"></a><span class="lineno"><a class="line" href="namespaceentt.html#a810f66c2c91deba50f96cae9119f2feb"> 448</a></span> <a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a> <a class="code" href="namespaceentt.html#a810f66c2c91deba50f96cae9119f2feb">forward_as_any</a>(Type &&value) {</div>
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<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> <a class="code" href="classentt_1_1basic__any.html">basic_any<Len, Align></a>{std::in_place_type<std::conditional_t<std::is_rvalue_reference_v<Type>, std::decay_t<Type>, Type>>, std::forward<Type>(value)};</div>
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<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> }</div>
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<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  </div>
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<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  </div>
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<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> }</div>
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<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  </div>
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<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  </div>
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<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html"><div class="ttname"><a href="classentt_1_1basic__any.html">entt::basic_any</a></div><div class="ttdoc">A SBO friendly, type-safe container for single values of any type.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00026">any.hpp:26</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a0f267d3bbc148e7e240b902b1819c9a6"><div class="ttname"><a href="classentt_1_1basic__any.html#a0f267d3bbc148e7e240b902b1819c9a6">entt::basic_any::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Destroys contained object.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00308">any.hpp:308</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a237dfc1f1c43bf5c0358b32896eda8c4"><div class="ttname"><a href="classentt_1_1basic__any.html#a237dfc1f1c43bf5c0358b32896eda8c4">entt::basic_any::data</a></div><div class="ttdeci">const void * data() const</div><div class="ttdoc">Returns an opaque pointer to the contained instance.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00285">any.hpp:285</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a2918b13d6957ccaae7796ea76be6807f"><div class="ttname"><a href="classentt_1_1basic__any.html#a2918b13d6957ccaae7796ea76be6807f">entt::basic_any::operator=</a></div><div class="ttdeci">basic_any & operator=(const basic_any &other)</div><div class="ttdoc">Copy assignment operator.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00227">any.hpp:227</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a3115608210ccfa59b915b1d9d24d9ef9"><div class="ttname"><a href="classentt_1_1basic__any.html#a3115608210ccfa59b915b1d9d24d9ef9">entt::basic_any::data</a></div><div class="ttdeci">void * data()</div><div class="ttdoc">Returns an opaque pointer to the contained instance.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00290">any.hpp:290</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a3196700b32252e5b59a79994b907afda"><div class="ttname"><a href="classentt_1_1basic__any.html#a3196700b32252e5b59a79994b907afda">entt::basic_any::basic_any</a></div><div class="ttdeci">basic_any(const basic_any &other)</div><div class="ttdoc">Copy constructor.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00197">any.hpp:197</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a46274e39f2a4a355ad3616356545708e"><div class="ttname"><a href="classentt_1_1basic__any.html#a46274e39f2a4a355ad3616356545708e">entt::basic_any::basic_any</a></div><div class="ttdeci">basic_any(std::in_place_type_t< Type >, Args &&... args)</div><div class="ttdoc">Constructs a wrapper by directly initializing the new object.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00158">any.hpp:158</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a49b67a9480577a425c502085858c0fb0"><div class="ttname"><a href="classentt_1_1basic__any.html#a49b67a9480577a425c502085858c0fb0">entt::basic_any::emplace</a></div><div class="ttdeci">void emplace(Args &&... args)</div><div class="ttdoc">Replaces the contained object by creating a new instance directly.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00301">any.hpp:301</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a50d19ca1f8421f57ba9765312935ee92"><div class="ttname"><a href="classentt_1_1basic__any.html#a50d19ca1f8421f57ba9765312935ee92">entt::basic_any::as_ref</a></div><div class="ttdeci">basic_any as_ref() const</div><div class="ttdoc">Aliasing constructor.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00340">any.hpp:340</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a58bb0a9c97a6a75e5b7984acf6fd268b"><div class="ttname"><a href="classentt_1_1basic__any.html#a58bb0a9c97a6a75e5b7984acf6fd268b">entt::basic_any::operator=</a></div><div class="ttdeci">std::enable_if_t<!std::is_same_v< std::decay_t< Type >, basic_any >, basic_any & > operator=(Type &&value)</div><div class="ttdoc">Value assignment operator.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00266">any.hpp:266</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a5fbc1fb99c934c59524af552ae2a33c3"><div class="ttname"><a href="classentt_1_1basic__any.html#a5fbc1fb99c934c59524af552ae2a33c3">entt::basic_any::length</a></div><div class="ttdeci">static constexpr auto length</div><div class="ttdoc">Size of the internal storage.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00140">any.hpp:140</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a7489b6cb743e74b8afcee0f66799b535"><div class="ttname"><a href="classentt_1_1basic__any.html#a7489b6cb743e74b8afcee0f66799b535">entt::basic_any::as_ref</a></div><div class="ttdeci">basic_any as_ref()</div><div class="ttdoc">Aliasing constructor.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00335">any.hpp:335</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_a8248e8443c6208077db312079a05fd96"><div class="ttname"><a href="classentt_1_1basic__any.html#a8248e8443c6208077db312079a05fd96">entt::basic_any::alignment</a></div><div class="ttdeci">static constexpr auto alignment</div><div class="ttdoc">Alignment requirement.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00142">any.hpp:142</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_aa3306eda6289209c62103b464f9274a2"><div class="ttname"><a href="classentt_1_1basic__any.html#aa3306eda6289209c62103b464f9274a2">entt::basic_any::type</a></div><div class="ttdeci">type_info type() const</div><div class="ttdoc">Returns the type of the contained object.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00275">any.hpp:275</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_aab031eb7bfb02eb4e6ca6b170e3a2335"><div class="ttname"><a href="classentt_1_1basic__any.html#aab031eb7bfb02eb4e6ca6b170e3a2335">entt::basic_any::basic_any</a></div><div class="ttdeci">basic_any()</div><div class="ttdoc">Default constructor.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00145">any.hpp:145</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_ab103382955f577cd8a714c7b5b89d9c6"><div class="ttname"><a href="classentt_1_1basic__any.html#ab103382955f577cd8a714c7b5b89d9c6">entt::basic_any::~basic_any</a></div><div class="ttdeci">~basic_any()</div><div class="ttdoc">Frees the internal storage, whatever it means.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00218">any.hpp:218</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_ab8d80c9b2be44588959c2a3cb451c162"><div class="ttname"><a href="classentt_1_1basic__any.html#ab8d80c9b2be44588959c2a3cb451c162">entt::basic_any::operator=</a></div><div class="ttdeci">basic_any & operator=(basic_any &&other)</div><div class="ttdoc">Move assignment operator.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00238">any.hpp:238</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_abf56dc5f3a8324c15b40bf6c2a800702"><div class="ttname"><a href="classentt_1_1basic__any.html#abf56dc5f3a8324c15b40bf6c2a800702">entt::basic_any::basic_any</a></div><div class="ttdeci">basic_any(basic_any &&other)</div><div class="ttdoc">Move constructor.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00209">any.hpp:209</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_adc66c85290945fc808d1979db9040454"><div class="ttname"><a href="classentt_1_1basic__any.html#adc66c85290945fc808d1979db9040454">entt::basic_any::operator==</a></div><div class="ttdeci">bool operator==(const basic_any &other) const</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#l00326">any.hpp:326</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_ae20c3f5eecdcdaf715b332bbc363ee4d"><div class="ttname"><a href="classentt_1_1basic__any.html#ae20c3f5eecdcdaf715b332bbc363ee4d">entt::basic_any::owner</a></div><div class="ttdeci">bool owner() const</div><div class="ttdoc">Returns true if a wrapper owns its object, false otherwise.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00348">any.hpp:348</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_ae6e5a79001713fcc0020b9fde2493d4e"><div class="ttname"><a href="classentt_1_1basic__any.html#ae6e5a79001713fcc0020b9fde2493d4e">entt::basic_any::basic_any</a></div><div class="ttdeci">basic_any(std::reference_wrapper< Type > value)</div><div class="ttdoc">Constructs a wrapper that holds an unmanaged object.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00172">any.hpp:172</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_af4a0f37cb196c7f062386be34c61554a"><div class="ttname"><a href="classentt_1_1basic__any.html#af4a0f37cb196c7f062386be34c61554a">entt::basic_any::operator=</a></div><div class="ttdeci">basic_any & operator=(std::reference_wrapper< Type > value)</div><div class="ttdoc">Value assignment operator.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00253">any.hpp:253</a></div></div>
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<div class="ttc" id="aclassentt_1_1basic__any_html_afb1d00c509ae9127faa1cc2a5887bdab"><div class="ttname"><a href="classentt_1_1basic__any.html#afb1d00c509ae9127faa1cc2a5887bdab">entt::basic_any::basic_any</a></div><div class="ttdeci">basic_any(Type &&value)</div><div class="ttdoc">Constructs a wrapper from a given value.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00185">any.hpp:185</a></div></div>
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<div class="ttc" id="aclassentt_1_1type__info_html"><div class="ttname"><a href="classentt_1_1type__info.html">entt::type_info</a></div><div class="ttdoc">Implementation specific information about a type.</div><div class="ttdef"><b>Definition:</b> <a href="type__info_8hpp_source.html#l00150">type_info.hpp:150</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="anamespaceentt_html_a2364ab41cab0fccd92cdaaf8779581cb"><div class="ttname"><a href="namespaceentt.html#a2364ab41cab0fccd92cdaaf8779581cb">entt::any_cast</a></div><div class="ttdeci">Type any_cast(const basic_any< Len, Align > &data)</div><div class="ttdoc">Performs type-safe access to the contained object.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00382">any.hpp:382</a></div></div>
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<div class="ttc" id="anamespaceentt_html_a7b051461867d3c5c97f77f10b662c26b"><div class="ttname"><a href="namespaceentt.html#a7b051461867d3c5c97f77f10b662c26b">entt::constness_as_t</a></div><div class="ttdeci">typename constness_as< To, From >::type constness_as_t</div><div class="ttdoc">Alias template to facilitate the transcription of the constness.</div><div class="ttdef"><b>Definition:</b> <a href="core_2type__traits_8hpp_source.html#l00653">type_traits.hpp:653</a></div></div>
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<div class="ttc" id="anamespaceentt_html_a810f66c2c91deba50f96cae9119f2feb"><div class="ttname"><a href="namespaceentt.html#a810f66c2c91deba50f96cae9119f2feb">entt::forward_as_any</a></div><div class="ttdeci">basic_any< Len, Align > forward_as_any(Type &&value)</div><div class="ttdoc">Forwards its argument and avoids copies for lvalue references.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00448">any.hpp:448</a></div></div>
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<div class="ttc" id="anamespaceentt_html_abd78292ee5137d33a4635bd55e99bf7e"><div class="ttname"><a href="namespaceentt.html#abd78292ee5137d33a4635bd55e99bf7e">entt::make_any</a></div><div class="ttdeci">basic_any< Len, Align > make_any(Args &&... args)</div><div class="ttdoc">Constructs a wrapper from a given type, passing it all arguments.</div><div class="ttdef"><b>Definition:</b> <a href="any_8hpp_source.html#l00434">any.hpp:434</a></div></div>
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<div class="ttc" id="anamespaceentt_html_ae38ac5bc7b9097ec21eb1058db206cff"><div class="ttname"><a href="namespaceentt.html#ae38ac5bc7b9097ec21eb1058db206cff">entt::operator!=</a></div><div class="ttdeci">bool operator!=(const basic_any< Len, Align > &lhs, const basic_any< Len, Align > &rhs)</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#l00368">any.hpp:368</a></div></div>
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<div class="ttc" id="astructentt_1_1basic__storage_html"><div class="ttname"><a href="structentt_1_1basic__storage.html">entt::basic_storage</a></div><div class="ttdoc">Storage implementation dispatcher.</div><div class="ttdef"><b>Definition:</b> <a href="storage_8hpp_source.html#l01006">storage.hpp:1006</a></div></div>
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