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<a href="a01046.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">// <extptr_allocator.h> -*- 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) 2008-2018 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">/**</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * @file ext/extptr_allocator.h</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * This file is a GNU extension to the Standard C++ Library.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> *</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * @author Bob Walters</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> *</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * An example allocator which uses an alternative pointer type from</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * bits/pointer.h. Supports test cases which confirm container support</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * for alternative pointers.</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> */</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">#ifndef _EXTPTR_ALLOCATOR_H</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define _EXTPTR_ALLOCATOR_H 1</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="a16965.html">memory</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="a01058.html">ext/numeric_traits.h</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <<a class="code" href="a01064.html">ext/pointer.h</a>></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span><a class="code" href="a01547.html">__gnu_cxx</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> /**</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * @brief An example allocator which uses a non-standard pointer type.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * @ingroup allocators</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"> * This allocator specifies that containers use a 'relative pointer' as it's</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * pointer type. (See ext/pointer.h) Memory allocation in this example</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * is still performed using std::allocator.</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> */</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="a10307.html"> 56</a></span>  <span class="keyword">class </span><a class="code" href="a10307.html">_ExtPtr_allocator</a></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">typedef</span> std::size_t size_type;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// Note the non-standard pointer types.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">typedef</span> <a class="code" href="a10507.html">_Pointer_adapter<_Relative_pointer_impl<_Tp></a> > <a class="code" href="a10507.html">pointer</a>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">typedef</span> <a class="code" href="a10507.html">_Pointer_adapter<_Relative_pointer_impl<const _Tp></a> > </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="a10507.html">const_pointer</a>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">typedef</span> _Tp& reference;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">typedef</span> <span class="keyword">const</span> _Tp& const_reference;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">typedef</span> _Tp value_type;</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>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">struct </span>rebind</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  { <span class="keyword">typedef</span> <a class="code" href="a10307.html">_ExtPtr_allocator<_Up></a> other; };</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="a10307.html">_ExtPtr_allocator</a>() _GLIBCXX_USE_NOEXCEPT </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  : _M_real_alloc() { }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="a10307.html">_ExtPtr_allocator</a>(<span class="keyword">const</span> <a class="code" href="a10307.html">_ExtPtr_allocator</a>& __rarg) _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  : _M_real_alloc(__rarg._M_real_alloc) { }</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="a10307.html">_ExtPtr_allocator</a>(<span class="keyword">const</span> <a class="code" href="a10307.html">_ExtPtr_allocator<_Up></a>& __rarg)</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  : _M_real_alloc(__rarg._M_getUnderlyingImp()) { }</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  ~<a class="code" href="a10307.html">_ExtPtr_allocator</a>() _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  { }</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>  <a class="code" href="a10507.html">pointer</a> address(reference __x) <span class="keyword">const</span> _GLIBCXX_NOEXCEPT</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  { <span class="keywordflow">return</span> <a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(__x); }</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>  <a class="code" href="a10507.html">const_pointer</a> address(const_reference __x) <span class="keyword">const</span> _GLIBCXX_NOEXCEPT</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  { <span class="keywordflow">return</span> <a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>(__x); }</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>  <a class="code" href="a10507.html">pointer</a> allocate(size_type __n, <span class="keywordtype">void</span>* __hint = 0)</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  { <span class="keywordflow">return</span> _M_real_alloc.allocate(__n,__hint); }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">void</span> deallocate(<a class="code" href="a10507.html">pointer</a> __p, size_type __n)</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  { _M_real_alloc.deallocate(__p.get(), __n); }</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  size_type max_size() <span class="keyword">const</span> _GLIBCXX_USE_NOEXCEPT</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  { <span class="keywordflow">return</span> __numeric_traits<size_type>::__max / <span class="keyword">sizeof</span>(_Tp); }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up, <span class="keyword">typename</span>... _Args></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  construct(_Up* __p, _Args&&... __args)</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  { ::new((<span class="keywordtype">void</span> *)__p) _Up(std::forward<_Args>(__args)...); }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">template</span><<span class="keyword">typename</span>... _Args></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  construct(<a class="code" href="a10507.html">pointer</a> __p, _Args&&... __args)</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  { construct(__p.get(), std::forward<_Args>(__args)...); }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">void</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  destroy(_Up* __p)</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  { __p->~_Up(); }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">void</span> destroy(<a class="code" href="a10507.html">pointer</a> __p)</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  { destroy(__p.get()); }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">void</span> construct(<a class="code" href="a10507.html">pointer</a> __p, <span class="keyword">const</span> _Tp& __val)</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  { ::new(__p.get()) _Tp(__val); }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">void</span> destroy(<a class="code" href="a10507.html">pointer</a> __p)</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  { __p->~_Tp(); }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  operator==(<span class="keyword">const</span> <a class="code" href="a10307.html">_ExtPtr_allocator<_Up></a>& __rarg)</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  { <span class="keywordflow">return</span> _M_real_alloc == __rarg._M_getUnderlyingImp(); }</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  operator==(<span class="keyword">const</span> <a class="code" href="a10307.html">_ExtPtr_allocator</a>& __rarg)</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  { <span class="keywordflow">return</span> _M_real_alloc == __rarg._M_real_alloc; }</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  operator!=(<span class="keyword">const</span> <a class="code" href="a10307.html">_ExtPtr_allocator<_Up></a>& __rarg)</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  { <span class="keywordflow">return</span> _M_real_alloc != __rarg._M_getUnderlyingImp(); }</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  operator!=(<span class="keyword">const</span> <a class="code" href="a10307.html">_ExtPtr_allocator</a>& __rarg)</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  { <span class="keywordflow">return</span> _M_real_alloc != __rarg._M_real_alloc; }</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">inline</span> <span class="keyword">friend</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  swap(<a class="code" href="a10307.html">_ExtPtr_allocator<_Up></a>&, <a class="code" href="a10307.html">_ExtPtr_allocator<_Up></a>&);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// A method specific to this implementation.</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">const</span> <a class="code" href="a04707.html">std::allocator<_Tp></a>&</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  _M_getUnderlyingImp()<span class="keyword"> const</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_real_alloc; }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="a04707.html">std::allocator<_Tp></a> _M_real_alloc;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  };</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">// _ExtPtr_allocator<void> specialization.</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">template</span><></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">class </span><a class="code" href="a10307.html">_ExtPtr_allocator</a><void></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  {</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">typedef</span> std::size_t size_type;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">typedef</span> <span class="keywordtype">void</span> value_type;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// Note the non-standard pointer types</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">typedef</span> <a class="code" href="a10507.html">_Pointer_adapter<_Relative_pointer_impl<void></a> > pointer;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">typedef</span> <a class="code" href="a10507.html">_Pointer_adapter<_Relative_pointer_impl<const void></a> ></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  const_pointer;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">struct </span>rebind</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  { <span class="keyword">typedef</span> <a class="code" href="a10307.html">_ExtPtr_allocator<_Up></a> other; };</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="a04699.html">std::allocator<void></a> _M_real_alloc;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  };</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  swap(_ExtPtr_allocator<_Tp>& __larg, _ExtPtr_allocator<_Tp>& __rarg)</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="a04707.html">std::allocator<_Tp></a> __tmp( __rarg._M_real_alloc );</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  __rarg._M_real_alloc = __larg._M_real_alloc;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  __larg._M_real_alloc = __tmp;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#endif </span><span class="comment">/* _EXTPTR_ALLOCATOR_H */</span><span class="preprocessor"></span></div><div class="ttc" id="a04707_html"><div class="ttname"><a href="a04707.html">std::allocator</a></div><div class="ttdoc">The standard allocator, as per [20.4].</div><div class="ttdef"><b>Definition:</b> <a href="a00272_source.html#l00108">allocator.h:108</a></div></div>
<div class="ttc" id="a01480_html_ga1954d5552e24586051011312041033f6"><div class="ttname"><a href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a></div><div class="ttdeci">constexpr _Tp * __addressof(_Tp &__r) noexcept</div><div class="ttdoc">Same as C++11 std::addressof.</div><div class="ttdef"><b>Definition:</b> <a href="a00422_source.html#l00047">move.h:47</a></div></div>
<div class="ttc" id="a16965_html"><div class="ttname"><a href="a16965.html">memory</a></div></div>
<div class="ttc" id="a01064_html"><div class="ttname"><a href="a01064.html">pointer.h</a></div></div>
<div class="ttc" id="a01547_html"><div class="ttname"><a href="a01547.html">__gnu_cxx</a></div><div class="ttdoc">GNU extensions for public use.</div></div>
<div class="ttc" id="a04699_html"><div class="ttname"><a href="a04699.html">std::allocator< void ></a></div><div class="ttdoc">allocator<void> specialization.</div><div class="ttdef"><b>Definition:</b> <a href="a00272_source.html#l00068">allocator.h:68</a></div></div>
<div class="ttc" id="a10307_html"><div class="ttname"><a href="a10307.html">__gnu_cxx::_ExtPtr_allocator</a></div><div class="ttdoc">An example allocator which uses a non-standard pointer type.This allocator specifies that containers ...</div><div class="ttdef"><b>Definition:</b> <a href="a01046_source.html#l00056">extptr_allocator.h:56</a></div></div>
<div class="ttc" id="a10507_html"><div class="ttname"><a href="a10507.html">__gnu_cxx::_Pointer_adapter</a></div><div class="ttdef"><b>Definition:</b> <a href="a01064_source.html#l00281">pointer.h:281</a></div></div>
<div class="ttc" id="a01058_html"><div class="ttname"><a href="a01058.html">numeric_traits.h</a></div></div>
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