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<a href="a00998.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// <experimental/any> -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2014-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/** @file experimental/any</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is a TS C++ Library header.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> */</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifndef _GLIBCXX_EXPERIMENTAL_ANY</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define _GLIBCXX_EXPERIMENTAL_ANY 1</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#pragma GCC system_header</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#if __cplusplus >= 201402L</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="a00035.html">typeinfo</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="a00032.html">new</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" href="a17232.html">utility</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="a17211.html">type_traits</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="a00995.html">experimental/bits/lfts_config.h</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">namespace </span><a class="code" href="a01538.html">std</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span>experimental</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">inline</span> <span class="keyword">namespace </span>fundamentals_v1</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {<span class="comment"></span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> /**</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * @defgroup any Type-safe container of any type</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @ingroup experimental</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> *</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * A type-safe container for single values of value types, as</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * described in n3804 "Any Library Proposal (Revision 3)".</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> *</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> */</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#define __cpp_lib_experimental_any 201411</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"></span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> /**</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * @brief Exception class thrown by a failed @c any_cast</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * @ingroup exceptions</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> */</span></div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="a09896.html"> 66</a></span>  <span class="keyword">class </span><a class="code" href="a09896.html">bad_any_cast</a> : <span class="keyword">public</span> <a class="code" href="a01672.html">bad_cast</a></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="a09896.html#a1304de0136b22b9b0949cd329de37d9e"> 69</a></span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="a09896.html#a1304de0136b22b9b0949cd329de37d9e">what</a>() const noexcept { <span class="keywordflow">return</span> <span class="stringliteral">"bad any_cast"</span>; }</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  };</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  [[gnu::noreturn]] <span class="keyword">inline</span> <span class="keywordtype">void</span> __throw_bad_any_cast()</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  {</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#if __cpp_exceptions</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">throw</span> bad_any_cast{};</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  __builtin_abort();</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"></span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> /**</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> * @brief A type-safe container of any type.</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> * </span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> * An @c any object's state is either empty or it stores a contained object</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> * of CopyConstructible type.</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> */</span></div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="a09900.html"> 87</a></span>  <span class="keyword">class </span><a class="code" href="a09900.html">any</a></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// Holds either pointer to a heap object or the contained object itself.</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">union </span>_Storage</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// This constructor intentionally doesn't initialize anything.</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  _Storage() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// Prevent trivial copies of this type, buffer might hold a non-POD.</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  _Storage(<span class="keyword">const</span> _Storage&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  _Storage& <a class="code" href="a09900.html#a146ce22d8e7f66b46766d6de66fb6584">operator=</a>(<span class="keyword">const</span> _Storage&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">void</span>* _M_ptr;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="a04132.html">aligned_storage</a><<span class="keyword">sizeof</span>(_M_ptr), <span class="keyword">alignof</span>(<span class="keywordtype">void</span>*)><a class="code" href="a09900.html#a283ebc4f962a66404be06dcbb512eff4">::type</a> _M_buffer;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  };</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, <span class="keyword">typename</span> _Safe = is_nothrow_move_constructible<_Tp>,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">bool</span> _Fits = (sizeof(_Tp) <= sizeof(_Storage))</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  && (alignof(_Tp) <= alignof(_Storage))></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  using _Internal = std::<span class="keywordtype">int</span>egral_constant<<span class="keywordtype">bool</span>, _Safe::value && _Fits>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">struct </span>_Manager_internal; <span class="comment">// uses small-object optimization</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">struct </span>_Manager_external; <span class="comment">// creates contained object on the heap</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">using</span> _Manager = <a class="code" href="a01476.html#ga3f79e9f15004fc524ff345fc510a2813">conditional_t<_Internal<_Tp>::value</a>,</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  _Manager_internal<_Tp>,</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  _Manager_external<_Tp>>;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, <span class="keyword">typename</span> _Decayed = decay_t<_Tp>></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">using</span> _Decay = <a class="code" href="a01476.html#gaccc2a55dff256e901d69f67ef213d12c">enable_if_t<!is_same<_Decayed, any>::value</a>, _Decayed>;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// construct/destruct</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"></span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> /// Default constructor, creates an empty object.</span></div><div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b"> 126</a></span> <span class="comment"></span> <a class="code" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">any</a>() noexcept : _M_manager(<span class="keywordtype">nullptr</span>) { }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"></span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> /// Copy constructor, copies the state of @p __other</span></div><div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="a09900.html#a17c5dbe5004a59d142907072bffe439c"> 129</a></span> <span class="comment"></span> <a class="code" href="a09900.html#a17c5dbe5004a59d142907072bffe439c">any</a>(<span class="keyword">const</span> <a class="code" href="a09900.html">any</a>& __other)</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  {</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (__other.<a class="code" href="a09900.html#a1278f00ae766f878991576ee05776732">empty</a>())</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  _M_manager = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  _Arg __arg;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  __arg._M_any = <span class="keyword">this</span>;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  __other._M_manager(_Op_clone, &__other, &__arg);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"></span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> /**</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> * @brief Move constructor, transfer the state from @p __other</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> *</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> * @post @c __other.empty() (this postcondition is a GNU extension)</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> */</span></div><div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="a09900.html#a347ce9a01a1c622c06338b2725dcba31"> 146</a></span>  <a class="code" href="a09900.html#a347ce9a01a1c622c06338b2725dcba31">any</a>(<a class="code" href="a09900.html">any</a>&& __other) noexcept</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (__other.empty())</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  _M_manager = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  _Arg __arg;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  __arg._M_any = <span class="keyword">this</span>;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  __other._M_manager(_Op_xfer, &__other, &__arg);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"></span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> /// Construct with a copy of @p __value as the contained object.</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"></span> <span class="keyword">template</span> <<span class="keyword">typename</span> _ValueType, <span class="keyword">typename</span> _Tp = _Decay<_ValueType>,</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">typename</span> _Mgr = _Manager<_Tp>,</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">typename</span> enable_if<is_constructible<_Tp, _ValueType&&>::value,</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">bool</span>>::type = true></div><div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="a09900.html#acd927b924b7895c43b139485ad2b2e31"> 163</a></span>  <a class="code" href="a09900.html#acd927b924b7895c43b139485ad2b2e31">any</a>(_ValueType&& __value)</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  : _M_manager(&_Mgr::_S_manage)</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  {</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  _Mgr::_S_create(_M_storage, std::forward<_ValueType>(__value));</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  static_assert(<a class="code" href="a03592.html">is_copy_constructible<_Tp>::value</a>,</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="stringliteral">"The contained object must be CopyConstructible"</span>);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"></span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"> /// Construct with a copy of @p __value as the contained object.</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"></span> <span class="keyword">template</span> <<span class="keyword">typename</span> _ValueType, <span class="keyword">typename</span> _Tp = _Decay<_ValueType>,</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">typename</span> _Mgr = _Manager<_Tp>,</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">typename</span> enable_if<!is_constructible<_Tp, _ValueType&&>::value,</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">bool</span>>::type = false></div><div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="a09900.html#acd927b924b7895c43b139485ad2b2e31"> 176</a></span>  <a class="code" href="a09900.html#acd927b924b7895c43b139485ad2b2e31">any</a>(_ValueType&& __value)</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  : _M_manager(&_Mgr::_S_manage)</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  _Mgr::_S_create(_M_storage, __value);</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  static_assert(<a class="code" href="a03592.html">is_copy_constructible<_Tp>::value</a>,</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="stringliteral">"The contained object must be CopyConstructible"</span>);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"></span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> /// Destructor, calls @c clear()</span></div><div class="line"><a name="l00185"></a><span class="lineno"><a class="line" href="a09900.html#a8ab21d9193e432e2ba055f58adc832c7"> 185</a></span> <span class="comment"></span> <a class="code" href="a09900.html#a8ab21d9193e432e2ba055f58adc832c7">~any</a>() { <a class="code" href="a09900.html#a5beaf2ef0d35c15246261ecce68809b0">clear</a>(); }</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// assignments</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"></span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> /// Copy the state of another object.</span></div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="a09900.html#a146ce22d8e7f66b46766d6de66fb6584"> 190</a></span> <span class="comment"></span> <a class="code" href="a09900.html">any</a>& <a class="code" href="a09900.html#a146ce22d8e7f66b46766d6de66fb6584">operator=</a>(<span class="keyword">const</span> <a class="code" href="a09900.html">any</a>& __rhs)</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  *<span class="keyword">this</span> = <a class="code" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">any</a>(__rhs);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"></span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> /**</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> * @brief Move assignment operator</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"> *</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> * @post @c __rhs.empty() (not guaranteed for other implementations)</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> */</span></div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="a09900.html#a0453d90a8d4fb2325712c4e5f3b909a7"> 201</a></span>  <a class="code" href="a09900.html">any</a>& <a class="code" href="a09900.html#a0453d90a8d4fb2325712c4e5f3b909a7">operator=</a>(<a class="code" href="a09900.html">any</a>&& __rhs) noexcept</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  {</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">if</span> (__rhs.empty())</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="a09900.html#a5beaf2ef0d35c15246261ecce68809b0">clear</a>();</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keyword">this</span> != &__rhs)</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="a09900.html#a5beaf2ef0d35c15246261ecce68809b0">clear</a>();</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  _Arg __arg;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  __arg._M_any = <span class="keyword">this</span>;</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  __rhs._M_manager(_Op_xfer, &__rhs, &__arg);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</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> <span class="comment"></span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> /// Store a copy of @p __rhs as the contained object.</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _ValueType></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="a01476.html#gaccc2a55dff256e901d69f67ef213d12c">enable_if_t<!is_same<any, decay_t<_ValueType></a>>::value, <a class="code" href="a09900.html">any</a>&></div><div class="line"><a name="l00218"></a><span class="lineno"><a class="line" href="a09900.html#af377e421f8e38d5873afb4d84aab606b"> 218</a></span>  <a class="code" href="a09900.html#af377e421f8e38d5873afb4d84aab606b">operator=</a>(_ValueType&& __rhs)</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  {</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  *<span class="keyword">this</span> = <a class="code" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">any</a>(std::forward<_ValueType>(__rhs));</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// modifiers</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"></span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> /// If not empty, destroy the contained object.</span></div><div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="a09900.html#a5beaf2ef0d35c15246261ecce68809b0"> 227</a></span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a09900.html#a5beaf2ef0d35c15246261ecce68809b0">clear</a>() noexcept</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  {</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (!<a class="code" href="a09900.html#a1278f00ae766f878991576ee05776732">empty</a>())</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  {</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  _M_manager(_Op_destroy, <span class="keyword">this</span>, <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  _M_manager = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"></span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> /// Exchange state with another object.</span></div><div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="a09900.html#a767521afed6c6768073fdef22d2ed292"> 237</a></span> <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a09900.html#a767521afed6c6768073fdef22d2ed292">swap</a>(<a class="code" href="a09900.html">any</a>& __rhs) noexcept</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  {</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> (<a class="code" href="a09900.html#a1278f00ae766f878991576ee05776732">empty</a>() && __rhs.empty())</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (!<a class="code" href="a09900.html#a1278f00ae766f878991576ee05776732">empty</a>() && !__rhs.empty())</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  {</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (<span class="keyword">this</span> == &__rhs)</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <a class="code" href="a09900.html">any</a> __tmp;</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  _Arg __arg;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  __arg._M_any = &__tmp;</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  __rhs._M_manager(_Op_xfer, &__rhs, &__arg);</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  __arg._M_any = &__rhs;</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  _M_manager(_Op_xfer, <span class="keyword">this</span>, &__arg);</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  __arg._M_any = <span class="keyword">this</span>;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  __tmp._M_manager(_Op_xfer, &__tmp, &__arg);</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  {</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="a09900.html">any</a>* __empty = <a class="code" href="a09900.html#a1278f00ae766f878991576ee05776732">empty</a>() ? this : &__rhs;</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="a09900.html">any</a>* __full = <a class="code" href="a09900.html#a1278f00ae766f878991576ee05776732">empty</a>() ? &__rhs : <span class="keyword">this</span>;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  _Arg __arg;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  __arg._M_any = __empty;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  __full->_M_manager(_Op_xfer, __full, &__arg);</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">// observers</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"></span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> /// Reports whether there is a contained object or not.</span></div><div class="line"><a name="l00269"></a><span class="lineno"><a class="line" href="a09900.html#a1278f00ae766f878991576ee05776732"> 269</a></span> <span class="comment"></span> <span class="keywordtype">bool</span> <a class="code" href="a09900.html#a1278f00ae766f878991576ee05776732">empty</a>() const noexcept { <span class="keywordflow">return</span> _M_manager == <span class="keyword">nullptr</span>; }</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor">#if __cpp_rtti</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> /// The @c typeid of the contained object, or @c typeid(void) if empty.</span></div><div class="line"><a name="l00273"></a><span class="lineno"><a class="line" href="a09900.html#a283ebc4f962a66404be06dcbb512eff4"> 273</a></span> <span class="comment"></span> <span class="keyword">const</span> <a class="code" href="a01668.html">type_info</a>& <a class="code" href="a09900.html#a283ebc4f962a66404be06dcbb512eff4">type</a>() const noexcept</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  {</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> (<a class="code" href="a09900.html#a1278f00ae766f878991576ee05776732">empty</a>())</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span> <span class="keyword">typeid</span>(void);</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  _Arg __arg;</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  _M_manager(_Op_get_type_info, <span class="keyword">this</span>, &__arg);</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">return</span> *__arg._M_typeinfo;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  }</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> __is_valid_cast()</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  { <span class="keywordflow">return</span> __or_<is_reference<_Tp>, <a class="code" href="a03592.html">is_copy_constructible<_Tp></a>>::value; }</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">enum</span> _Op {</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  _Op_access, _Op_get_type_info, _Op_clone, _Op_destroy, _Op_xfer</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  };</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keyword">union </span>_Arg</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  {</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordtype">void</span>* _M_obj;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">const</span> <a class="code" href="a01668.html">std::type_info</a>* _M_typeinfo;</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <a class="code" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">any</a>* _M_any;</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  };</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  void (*_M_manager)(_Op, <span class="keyword">const</span> <a class="code" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">any</a>*, _Arg*);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  _Storage _M_storage;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">friend</span> enable_if_t<is_object<_Tp>::value, <span class="keywordtype">void</span>*></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  __any_caster(<span class="keyword">const</span> <a class="code" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">any</a>* __any);</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// Manage in-place contained object.</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keyword">struct </span>_Manager_internal</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  {</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  _S_manage(_Op __which, <span class="keyword">const</span> <a class="code" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">any</a>* __anyp, _Arg* __arg);</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  _S_create(_Storage& __storage, _Up&& __value)</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  {</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordtype">void</span>* __addr = &__storage._M_buffer;</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  ::new (__addr) _Tp(std::forward<_Up>(__value));</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  };</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// Manage external contained object.</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keyword">struct </span>_Manager_external</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  {</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  _S_manage(_Op __which, <span class="keyword">const</span> <a class="code" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">any</a>* __anyp, _Arg* __arg);</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  _S_create(_Storage& __storage, _Up&& __value)</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  {</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  __storage._M_ptr = <span class="keyword">new</span> _Tp(std::forward<_Up>(__value));</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  };</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  };</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"></span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment"> /// Exchange the states of two @c any objects.</span></div><div class="line"><a name="l00339"></a><span class="lineno"><a class="line" href="a01512.html#ga8007443c4b8291e332ef93b1875440b9"> 339</a></span> <span class="comment"></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> swap(<a class="code" href="a09900.html">any</a>& __x, <a class="code" href="a09900.html">any</a>& __y) noexcept { __x.swap(__y); }</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"></span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> /**</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> * @brief Access the contained object.</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"> *</span></div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> * @tparam _ValueType A const-reference or CopyConstructible type.</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> * @param __any The object to access.</span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"> * @return The contained object.</span></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment"> * @throw bad_any_cast If <code></span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment"> * __any.type() != typeid(remove_reference_t<_ValueType>)</span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment"> * </code></span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"> */</span></div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _ValueType></div><div class="line"><a name="l00352"></a><span class="lineno"><a class="line" href="a01512.html#ga3804b3e41a5ff0dae8d32c2cf453995f"> 352</a></span>  <span class="keyword">inline</span> _ValueType <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a>(<span class="keyword">const</span> <a class="code" href="a09900.html">any</a>& __any)</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  {</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  static_assert(any::__is_valid_cast<_ValueType>(),</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="stringliteral">"Template argument must be a reference or CopyConstructible type"</span>);</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keyword">auto</span> __p = <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a><<a class="code" href="a01476.html#ga448c469269c4f85f992d8df206bbcdda">add_const_t<remove_reference_t<_ValueType></a>>>(&__any);</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">if</span> (__p)</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">return</span> *__p;</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  __throw_bad_any_cast();</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment"></span></div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment"> /**</span></div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"> * @brief Access the contained object.</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment"> *</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment"> * @tparam _ValueType A reference or CopyConstructible type.</span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment"> * @param __any The object to access.</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment"> * @return The contained object.</span></div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment"> * @throw bad_any_cast If <code></span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment"> * __any.type() != typeid(remove_reference_t<_ValueType>)</span></div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="comment"> * </code></span></div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="comment"> *</span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="comment"> */</span></div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _ValueType></div><div class="line"><a name="l00375"></a><span class="lineno"><a class="line" href="a01512.html#ga07b480a27e1afe811ba7f9a00b872b02"> 375</a></span>  <span class="keyword">inline</span> _ValueType <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a>(<a class="code" href="a09900.html">any</a>& __any)</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  {</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  static_assert(any::__is_valid_cast<_ValueType>(),</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="stringliteral">"Template argument must be a reference or CopyConstructible type"</span>);</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keyword">auto</span> __p = <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a><<a class="code" href="a01476.html#ga05f704b8440a5839204308c83a07748f">remove_reference_t<_ValueType></a>>(&__any);</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (__p)</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">return</span> *__p;</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  __throw_bad_any_cast();</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  }</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> </div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _ValueType,</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keyword">typename</span> <a class="code" href="a04188.html">enable_if<!is_move_constructible<_ValueType>::value</a></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  || <a class="code" href="a03228.html">is_lvalue_reference<_ValueType>::value</a>,</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordtype">bool</span>>::type = <span class="keyword">true</span>></div><div class="line"><a name="l00389"></a><span class="lineno"><a class="line" href="a01512.html#ga1caa36240a2b94c244dbe57273c0be2d"> 389</a></span>  <span class="keyword">inline</span> _ValueType <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a>(<a class="code" href="a09900.html">any</a>&& __any)</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  {</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  static_assert(any::__is_valid_cast<_ValueType>(),</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="stringliteral">"Template argument must be a reference or CopyConstructible type"</span>);</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">auto</span> __p = <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a><<a class="code" href="a01476.html#ga05f704b8440a5839204308c83a07748f">remove_reference_t<_ValueType></a>>(&__any);</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">if</span> (__p)</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">return</span> *__p;</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  __throw_bad_any_cast();</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  }</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _ValueType,</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keyword">typename</span> <a class="code" href="a04188.html">enable_if<is_move_constructible<_ValueType>::value</a></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  && !<a class="code" href="a03228.html">is_lvalue_reference<_ValueType>::value</a>,</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordtype">bool</span>>::type = <span class="keyword">false</span>></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">inline</span> _ValueType <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a>(any&& __any)</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  {</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  static_assert(any::__is_valid_cast<_ValueType>(),</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="stringliteral">"Template argument must be a reference or CopyConstructible type"</span>);</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keyword">auto</span> __p = <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a><<a class="code" href="a01476.html#ga05f704b8440a5839204308c83a07748f">remove_reference_t<_ValueType></a>>(&__any);</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (__p)</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">return</span> std::move(*__p);</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  __throw_bad_any_cast();</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="comment">// @}</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="comment"></span></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment"> /// @cond undocumented</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <a class="code" href="a01476.html#gaccc2a55dff256e901d69f67ef213d12c">enable_if_t<is_object<_Tp>::value</a>, <span class="keywordtype">void</span>*></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  __any_caster(<span class="keyword">const</span> any* __any)</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  {</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// any_cast<T> returns non-null if __any->type() == typeid(T) and</span></div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">// typeid(T) ignores cv-qualifiers so remove them:</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keyword">using</span> _Up = <a class="code" href="a01476.html#ga33d8994a84545d04adc29f8be0d12122">remove_cv_t<_Tp></a>;</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="comment">// The contained value has a decayed type, so if decay_t<U> is not U,</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="comment">// then it's not possible to have a contained value of type U.</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keyword">using</span> __does_not_decay = <a class="code" href="a03880.html">is_same<decay_t<_Up></a>, _Up>;</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="comment">// Only copy constructible types can be used for contained values.</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keyword">using</span> __is_copyable = <a class="code" href="a03592.html">is_copy_constructible<_Up></a>;</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="comment">// If the type _Tp could never be stored in an any we don't want to</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="comment">// instantiate _Manager<_Tp>, so use _Manager<any::_Op> instead, which</span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="comment">// is explicitly specialized and has a no-op _S_manage function.</span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keyword">using</span> _Vp = <a class="code" href="a01476.html#ga3f79e9f15004fc524ff345fc510a2813">conditional_t<__and_<__does_not_decay, __is_copyable>::value</a>,</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  _Up, any::_Op>;</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="comment">// First try comparing function addresses, which works without RTTI</span></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">if</span> (__any->_M_manager == &any::_Manager<_Vp>::_S_manage</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span> #<span class="keywordflow">if</span> __cpp_rtti</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  || __any->type() == <span class="keyword">typeid</span>(_Tp)</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> #endif</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  )</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  {</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  any::_Arg __arg;</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  __any->_M_manager(any::_Op_access, __any, &__arg);</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">return</span> __arg._M_obj;</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  }</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="comment">// This overload exists so that std::any_cast<void(*)()>(a) is well-formed.</span></div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  enable_if_t<!is_object<_Tp>::value, _Tp*></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  __any_caster(<span class="keyword">const</span> any*) noexcept</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  { <span class="keywordflow">return</span> <span class="keyword">nullptr</span>; }<span class="comment"></span></div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> /// @endcond</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment"></span><span class="comment"></span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment"> /**</span></div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"> * @brief Access the contained object.</span></div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"> *</span></div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment"> * @tparam _ValueType The type of the contained object.</span></div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"> * @param __any A pointer to the object to access.</span></div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="comment"> * @return The address of the contained object if <code></span></div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="comment"> * __any != nullptr && __any.type() == typeid(_ValueType)</span></div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment"> * </code>, otherwise a null pointer.</span></div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"> *</span></div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="comment"> */</span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _ValueType></div><div class="line"><a name="l00465"></a><span class="lineno"><a class="line" href="a01512.html#gad86d82adff5b2c8d613f2f248729aa02"> 465</a></span>  <span class="keyword">inline</span> <span class="keyword">const</span> _ValueType* <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a>(<span class="keyword">const</span> <a class="code" href="a09900.html">any</a>* __any) noexcept</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  {</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> (__any)</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">return</span> static_cast<_ValueType*>(__any_caster<_ValueType>(__any));</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  }</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> </div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _ValueType></div><div class="line"><a name="l00473"></a><span class="lineno"><a class="line" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255"> 473</a></span>  <span class="keyword">inline</span> _ValueType* <a class="code" href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">any_cast</a>(<a class="code" href="a09900.html">any</a>* __any) noexcept</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  {</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (__any)</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keywordflow">return</span> static_cast<_ValueType*>(__any_caster<_ValueType>(__any));</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  }</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="comment">// @}</span></div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span> </div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  any::_Manager_internal<_Tp>::</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  _S_manage(_Op __which, <span class="keyword">const</span> any* __any, _Arg* __arg)</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  {</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="comment">// The contained object is in _M_storage._M_buffer</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keyword">auto</span> __ptr = reinterpret_cast<const _Tp*>(&__any->_M_storage._M_buffer);</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">switch</span> (__which)</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  {</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">case</span> _Op_access:</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  __arg->_M_obj = const_cast<_Tp*>(__ptr);</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">case</span> _Op_get_type_info:</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="preprocessor">#if __cpp_rtti</span></div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  __arg->_M_typeinfo = &<span class="keyword">typeid</span>(_Tp);</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">case</span> _Op_clone:</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  ::new(&__arg->_M_any->_M_storage._M_buffer) _Tp(*__ptr);</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  __arg->_M_any->_M_manager = __any->_M_manager;</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  break;</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  case _Op_destroy:</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  __ptr->~_Tp();</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  break;</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  case _Op_xfer:</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  ::new(&__arg->_M_any->_M_storage._M_buffer) _Tp</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  (<a class="code" href="a01538.html">std</a>::move(*const_cast<_Tp*>(__ptr)));</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  __ptr->~_Tp();</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  __arg->_M_any->_M_manager = __any->_M_manager;</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  const_cast<any*>(__any)->_M_manager = <span class="keywordtype">nullptr</span>;</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  break;</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  }</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  }</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span> </div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  template<typename _Tp></div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  any::_Manager_external<_Tp>::</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  _S_manage(_Op __which, const any* __any, _Arg* __arg)</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  {</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="comment">// The contained object is *_M_storage._M_ptr</span></div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keyword">auto</span> __ptr = static_cast<const _Tp*>(__any->_M_storage._M_ptr);</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">switch</span> (__which)</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  {</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">case</span> _Op_access:</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  __arg->_M_obj = const_cast<_Tp*>(__ptr);</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">case</span> _Op_get_type_info:</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="preprocessor">#if __cpp_rtti</span></div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  __arg->_M_typeinfo = &<span class="keyword">typeid</span>(_Tp);</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">case</span> _Op_clone:</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  __arg->_M_any->_M_storage._M_ptr = <span class="keyword">new</span> _Tp(*__ptr);</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  __arg->_M_any->_M_manager = __any->_M_manager;</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordflow">case</span> _Op_destroy:</div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keyword">delete</span> __ptr;</div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordflow">case</span> _Op_xfer:</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  __arg->_M_any->_M_storage._M_ptr = __any->_M_storage._M_ptr;</div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  __arg->_M_any->_M_manager = __any->_M_manager;</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  const_cast<any*>(__any)->_M_manager = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  }</div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  }</div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span> </div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="comment">// Dummy specialization used by __any_caster.</span></div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keyword">template</span><></div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keyword">struct </span>any::_Manager_internal<any::_Op></div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  {</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  _S_manage(_Op, <span class="keyword">const</span> <a class="code" href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">any</a>*, _Arg*) { }</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  };</div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span> </div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="comment">// @} group any</span></div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span> } <span class="comment">// namespace fundamentals_v1</span></div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span> } <span class="comment">// namespace experimental</span></div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span> </div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span> } <span class="comment">// namespace std</span></div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="preprocessor">#endif // C++14</span></div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span> </div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="preprocessor">#endif // _GLIBCXX_EXPERIMENTAL_ANY</span></div><div class="ttc" id="a09900_html_a146ce22d8e7f66b46766d6de66fb6584"><div class="ttname"><a href="a09900.html#a146ce22d8e7f66b46766d6de66fb6584">std::experimental::fundamentals_v1::any::operator=</a></div><div class="ttdeci">any & operator=(const any &__rhs)</div><div class="ttdoc">Copy the state of another object.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00190">any:190</a></div></div>
<div class="ttc" id="a09900_html_a17c5dbe5004a59d142907072bffe439c"><div class="ttname"><a href="a09900.html#a17c5dbe5004a59d142907072bffe439c">std::experimental::fundamentals_v1::any::any</a></div><div class="ttdeci">any(const any &__other)</div><div class="ttdoc">Copy constructor, copies the state of __other.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00129">any:129</a></div></div>
<div class="ttc" id="a17211_html"><div class="ttname"><a href="a17211.html">type_traits</a></div></div>
<div class="ttc" id="a09900_html_a6ba2922445d4e290bfc4e2437c61417b"><div class="ttname"><a href="a09900.html#a6ba2922445d4e290bfc4e2437c61417b">std::experimental::fundamentals_v1::any::any</a></div><div class="ttdeci">any() noexcept</div><div class="ttdoc">Default constructor, creates an empty object.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00126">any:126</a></div></div>
<div class="ttc" id="a01476_html_ga448c469269c4f85f992d8df206bbcdda"><div class="ttname"><a href="a01476.html#ga448c469269c4f85f992d8df206bbcdda">std::add_const_t</a></div><div class="ttdeci">typename add_const< _Tp >::type add_const_t</div><div class="ttdoc">Alias template for add_const.</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l01396">type_traits:1396</a></div></div>
<div class="ttc" id="a01476_html_ga3f79e9f15004fc524ff345fc510a2813"><div class="ttname"><a href="a01476.html#ga3f79e9f15004fc524ff345fc510a2813">std::conditional_t</a></div><div class="ttdeci">typename conditional< _Cond, _Iftrue, _Iffalse >::type conditional_t</div><div class="ttdoc">Alias template for conditional.</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l02298">type_traits:2298</a></div></div>
<div class="ttc" id="a09900_html_a8ab21d9193e432e2ba055f58adc832c7"><div class="ttname"><a href="a09900.html#a8ab21d9193e432e2ba055f58adc832c7">std::experimental::fundamentals_v1::any::~any</a></div><div class="ttdeci">~any()</div><div class="ttdoc">Destructor, calls clear()</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00185">any:185</a></div></div>
<div class="ttc" id="a00035_html"><div class="ttname"><a href="a00035.html">typeinfo</a></div></div>
<div class="ttc" id="a01668_html"><div class="ttname"><a href="a01668.html">std::type_info</a></div><div class="ttdoc">Part of RTTI.</div><div class="ttdef"><b>Definition:</b> <a href="a00035_source.html#l00088">typeinfo:88</a></div></div>
<div class="ttc" id="a09896_html"><div class="ttname"><a href="a09896.html">std::experimental::fundamentals_v1::bad_any_cast</a></div><div class="ttdoc">Exception class thrown by a failed any_cast.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00066">any:66</a></div></div>
<div class="ttc" id="a09900_html_a283ebc4f962a66404be06dcbb512eff4"><div class="ttname"><a href="a09900.html#a283ebc4f962a66404be06dcbb512eff4">std::experimental::fundamentals_v1::any::type</a></div><div class="ttdeci">const type_info & type() const noexcept</div><div class="ttdoc">The typeid of the contained object, or typeid(void) if empty.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00273">any:273</a></div></div>
<div class="ttc" id="a09900_html_af377e421f8e38d5873afb4d84aab606b"><div class="ttname"><a href="a09900.html#af377e421f8e38d5873afb4d84aab606b">std::experimental::fundamentals_v1::any::operator=</a></div><div class="ttdeci">enable_if_t<!is_same< any, decay_t< _ValueType > >::value, any & > operator=(_ValueType &&__rhs)</div><div class="ttdoc">Store a copy of __rhs as the contained object.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00218">any:218</a></div></div>
<div class="ttc" id="a04188_html"><div class="ttname"><a href="a04188.html">std::enable_if</a></div><div class="ttdoc">Define a member typedef type only if a boolean constant is true.</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l01913">type_traits:1913</a></div></div>
<div class="ttc" id="a09900_html_a347ce9a01a1c622c06338b2725dcba31"><div class="ttname"><a href="a09900.html#a347ce9a01a1c622c06338b2725dcba31">std::experimental::fundamentals_v1::any::any</a></div><div class="ttdeci">any(any &&__other) noexcept</div><div class="ttdoc">Move constructor, transfer the state from __other.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00146">any:146</a></div></div>
<div class="ttc" id="a09900_html"><div class="ttname"><a href="a09900.html">std::experimental::fundamentals_v1::any</a></div><div class="ttdoc">A type-safe container of any type.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00087">any:87</a></div></div>
<div class="ttc" id="a00995_html"><div class="ttname"><a href="a00995.html">lfts_config.h</a></div></div>
<div class="ttc" id="a01538_html"><div class="ttname"><a href="a01538.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
<div class="ttc" id="a09900_html_a1278f00ae766f878991576ee05776732"><div class="ttname"><a href="a09900.html#a1278f00ae766f878991576ee05776732">std::experimental::fundamentals_v1::any::empty</a></div><div class="ttdeci">bool empty() const noexcept</div><div class="ttdoc">Reports whether there is a contained object or not.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00269">any:269</a></div></div>
<div class="ttc" id="a00032_html"><div class="ttname"><a href="a00032.html">new</a></div></div>
<div class="ttc" id="a01476_html_ga05f704b8440a5839204308c83a07748f"><div class="ttname"><a href="a01476.html#ga05f704b8440a5839204308c83a07748f">std::remove_reference_t</a></div><div class="ttdeci">typename remove_reference< _Tp >::type remove_reference_t</div><div class="ttdoc">Alias template for remove_reference.</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l01453">type_traits:1453</a></div></div>
<div class="ttc" id="a09900_html_a767521afed6c6768073fdef22d2ed292"><div class="ttname"><a href="a09900.html#a767521afed6c6768073fdef22d2ed292">std::experimental::fundamentals_v1::any::swap</a></div><div class="ttdeci">void swap(any &__rhs) noexcept</div><div class="ttdoc">Exchange state with another object.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00237">any:237</a></div></div>
<div class="ttc" id="a04132_html"><div class="ttname"><a href="a04132.html">std::aligned_storage</a></div><div class="ttdoc">Alignment type.</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l01800">type_traits:1800</a></div></div>
<div class="ttc" id="a09900_html_a0453d90a8d4fb2325712c4e5f3b909a7"><div class="ttname"><a href="a09900.html#a0453d90a8d4fb2325712c4e5f3b909a7">std::experimental::fundamentals_v1::any::operator=</a></div><div class="ttdeci">any & operator=(any &&__rhs) noexcept</div><div class="ttdoc">Move assignment operator.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00201">any:201</a></div></div>
<div class="ttc" id="a09900_html_acd927b924b7895c43b139485ad2b2e31"><div class="ttname"><a href="a09900.html#acd927b924b7895c43b139485ad2b2e31">std::experimental::fundamentals_v1::any::any</a></div><div class="ttdeci">any(_ValueType &&__value)</div><div class="ttdoc">Construct with a copy of __value as the contained object.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00163">any:163</a></div></div>
<div class="ttc" id="a01476_html_gaccc2a55dff256e901d69f67ef213d12c"><div class="ttname"><a href="a01476.html#gaccc2a55dff256e901d69f67ef213d12c">std::enable_if_t</a></div><div class="ttdeci">typename enable_if< _Cond, _Tp >::type enable_if_t</div><div class="ttdoc">Alias template for enable_if.</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l02294">type_traits:2294</a></div></div>
<div class="ttc" id="a01512_html_ga30e7b55472db9e7d44060e5db2c2f255"><div class="ttname"><a href="a01512.html#ga30e7b55472db9e7d44060e5db2c2f255">std::experimental::fundamentals_v1::any_cast</a></div><div class="ttdeci">_ValueType * any_cast(any *__any) noexcept</div><div class="ttdoc">Access the contained object.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00473">any:473</a></div></div>
<div class="ttc" id="a01672_html"><div class="ttname"><a href="a01672.html">std::bad_cast</a></div><div class="ttdoc">Thrown during incorrect typecasting.If you attempt an invalid dynamic_cast expression,...</div><div class="ttdef"><b>Definition:</b> <a href="a00035_source.html#l00187">typeinfo:187</a></div></div>
<div class="ttc" id="a09900_html_a5beaf2ef0d35c15246261ecce68809b0"><div class="ttname"><a href="a09900.html#a5beaf2ef0d35c15246261ecce68809b0">std::experimental::fundamentals_v1::any::clear</a></div><div class="ttdeci">void clear() noexcept</div><div class="ttdoc">If not empty, destroy the contained object.</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00227">any:227</a></div></div>
<div class="ttc" id="a17232_html"><div class="ttname"><a href="a17232.html">utility</a></div></div>
<div class="ttc" id="a03228_html"><div class="ttname"><a href="a03228.html">std::is_lvalue_reference</a></div><div class="ttdoc">is_lvalue_reference</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l00374">type_traits:374</a></div></div>
<div class="ttc" id="a03592_html"><div class="ttname"><a href="a03592.html">std::is_copy_constructible</a></div><div class="ttdoc">is_copy_constructible</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l00896">type_traits:896</a></div></div>
<div class="ttc" id="a09896_html_a1304de0136b22b9b0949cd329de37d9e"><div class="ttname"><a href="a09896.html#a1304de0136b22b9b0949cd329de37d9e">std::experimental::fundamentals_v1::bad_any_cast::what</a></div><div class="ttdeci">virtual const char * what() const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="a00998_source.html#l00069">any:69</a></div></div>
<div class="ttc" id="a03880_html"><div class="ttname"><a href="a03880.html">std::is_same</a></div><div class="ttdoc">is_same</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l01286">type_traits:1286</a></div></div>
<div class="ttc" id="a01476_html_ga33d8994a84545d04adc29f8be0d12122"><div class="ttname"><a href="a01476.html#ga33d8994a84545d04adc29f8be0d12122">std::remove_cv_t</a></div><div class="ttdeci">typename remove_cv< _Tp >::type remove_cv_t</div><div class="ttdoc">Alias template for remove_cv.</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l01392">type_traits:1392</a></div></div>
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