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<a href="a01064.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">// Custom pointer adapter and sample storage policies</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/pointer.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"> * Provides reusable _Pointer_adapter for assisting in the development of</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * custom pointer types that can be used with the standard containers via</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * the allocator::pointer and allocator::const_pointer typedefs.</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 _POINTER_H</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define _POINTER_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">#pragma GCC system_header</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <<a class="code" href="a00083.html">iosfwd</a>></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <<a class="code" href="a00554.html">bits/stl_iterator_base_types.h</a>></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <<a class="code" href="a01031.html">ext/cast.h</a>></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <<a class="code" href="a01091.html">ext/type_traits.h</a>></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"># include <<a class="code" href="a00422.html">bits/move.h</a>></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"># include <<a class="code" href="a00446.html">bits/ptr_traits.h</a>></span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">namespace </span><a class="code" href="a01547.html">__gnu_cxx</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</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"> /** </span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * @brief A storage policy for use with _Pointer_adapter<> which yields a</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * standard pointer.</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"> * A _Storage_policy is required to provide 4 things:</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * 1) A get() API for returning the stored pointer value.</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * 2) An set() API for storing a pointer value.</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * 3) An element_type typedef to define the type this points to.</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> * 4) An operator<() to support pointer comparison.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * 5) An operator==() to support pointer comparison.</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> */</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="a10463.html"> 66</a></span>  <span class="keyword">class </span><a class="code" href="a10463.html">_Std_pointer_impl</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"> 69</span>  <span class="comment">// the type this pointer points to.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">typedef</span> _Tp element_type;</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>  <span class="comment">// A method to fetch the pointer value as a standard T* value;</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">inline</span> _Tp* </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  get()<span class="keyword"> const </span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _M_value; }</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// A method to set the pointer value, from a standard T* value;</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  set(element_type* __arg) </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  { _M_value = __arg; }</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// Comparison of pointers</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  operator<(<span class="keyword">const</span> <a class="code" href="a10463.html">_Std_pointer_impl</a>& __rarg)<span class="keyword"> const</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (_M_value < __rarg._M_value); }</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  operator==(<span class="keyword">const</span> <a class="code" href="a10463.html">_Std_pointer_impl</a>& __rarg)<span class="keyword"> const</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (_M_value == __rarg._M_value); }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  element_type* _M_value;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  };</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"></span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> /**</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> * @brief A storage policy for use with _Pointer_adapter<> which stores</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> * the pointer's address as an offset value which is relative to</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> * its own address.</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> * </span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> * This is intended for pointers within shared memory regions which</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> * might be mapped at different addresses by different processes.</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> * For null pointers, a value of 1 is used. (0 is legitimate</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> * sometimes for nodes in circularly linked lists) This value was</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * chosen as the least likely to generate an incorrect null, As</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * there is no reason why any normal pointer would point 1 byte into</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> * its own pointer address.</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> */</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"><a class="line" href="a10467.html"> 109</a></span>  <span class="keyword">class </span><a class="code" href="a10467.html">_Relative_pointer_impl</a> </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">public</span>:</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">typedef</span> _Tp element_type;</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>  _Tp*</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  get()<span class="keyword"> const </span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (_M_diff == 1)</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> reinterpret_cast<_Tp*>(reinterpret_cast<_UIntPtrType>(<span class="keyword">this</span>)</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  + _M_diff);</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>  </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">void</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  set(_Tp* __arg)</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (!__arg)</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  _M_diff = 1;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  _M_diff = reinterpret_cast<_UIntPtrType>(__arg) </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  - reinterpret_cast<_UIntPtrType>(<span class="keyword">this</span>);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Comparison of pointers</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  operator<(<span class="keyword">const</span> <a class="code" href="a10467.html">_Relative_pointer_impl</a>& __rarg)<span class="keyword"> const</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (reinterpret_cast<_UIntPtrType>(this->get())</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  < reinterpret_cast<_UIntPtrType>(__rarg.get())); }</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="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  operator==(<span class="keyword">const</span> <a class="code" href="a10467.html">_Relative_pointer_impl</a>& __rarg)<span class="keyword"> const</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (reinterpret_cast<_UIntPtrType>(this->get())</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  == reinterpret_cast<_UIntPtrType>(__rarg.get())); }</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#ifdef _GLIBCXX_USE_LONG_LONG</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">typedef</span> __gnu_cxx::__conditional_type<</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  (<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> long) >= <span class="keyword">sizeof</span>(<span class="keywordtype">void</span>*)),</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span>>::__type _UIntPtrType;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> _UIntPtrType;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  _UIntPtrType _M_diff;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  };</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment"></span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> /**</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> * Relative_pointer_impl needs a specialization for const T because of</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> * the casting done during pointer arithmetic.</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> */</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp> </div><div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="a10471.html"> 161</a></span>  <span class="keyword">class </span><a class="code" href="a10467.html">_Relative_pointer_impl</a><const _Tp> </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="keyword">public</span>:</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">typedef</span> <span class="keyword">const</span> _Tp element_type;</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>  <span class="keyword">const</span> _Tp*</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  get()<span class="keyword"> const</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (_M_diff == 1)</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> reinterpret_cast<const _Tp*></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  (reinterpret_cast<_UIntPtrType>(<span class="keyword">this</span>) + _M_diff);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">void</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  set(<span class="keyword">const</span> _Tp* __arg)</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>  <span class="keywordflow">if</span> (!__arg)</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  _M_diff = 1;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  _M_diff = reinterpret_cast<_UIntPtrType>(__arg) </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  - reinterpret_cast<_UIntPtrType>(<span class="keyword">this</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>  </div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// Comparison of pointers</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  operator<(<span class="keyword">const</span> <a class="code" href="a10467.html">_Relative_pointer_impl</a>& __rarg)<span class="keyword"> const</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (reinterpret_cast<_UIntPtrType>(this->get())</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  < reinterpret_cast<_UIntPtrType>(__rarg.get())); }</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">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  operator==(<span class="keyword">const</span> <a class="code" href="a10467.html">_Relative_pointer_impl</a>& __rarg)<span class="keyword"> const</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (reinterpret_cast<_UIntPtrType>(this->get())</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  == reinterpret_cast<_UIntPtrType>(__rarg.get())); }</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="keyword">private</span>:</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor">#ifdef _GLIBCXX_USE_LONG_LONG</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">typedef</span> __gnu_cxx::__conditional_type<</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  (<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> long) >= <span class="keyword">sizeof</span>(<span class="keywordtype">void</span>*)),</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span>>::__type _UIntPtrType;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> _UIntPtrType;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  _UIntPtrType _M_diff;</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> <span class="comment"></span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> /**</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> * The specialization on this type helps resolve the problem of</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> * reference to void, and eliminates the need to specialize</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> * _Pointer_adapter for cases of void*, const void*, and so on.</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> */</span></div><div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="a10475.html"> 213</a></span>  <span class="keyword">struct </span><a class="code" href="a10475.html">_Invalid_type</a> { };</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  </div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">struct </span>_Reference_type </div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  { <span class="keyword">typedef</span> _Tp& reference; };</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">template</span><> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">struct </span>_Reference_type<void> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  { <span class="keyword">typedef</span> _Invalid_type& reference; };</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>  <span class="keyword">template</span><> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">struct </span>_Reference_type<const void> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  { <span class="keyword">typedef</span> <span class="keyword">const</span> _Invalid_type& reference; };</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">template</span><> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">struct </span>_Reference_type<volatile void> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  { <span class="keyword">typedef</span> <span class="keyword">volatile</span> _Invalid_type& reference; };</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>  <span class="keyword">template</span><> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">struct </span>_Reference_type<volatile const void> </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  { <span class="keyword">typedef</span> <span class="keyword">const</span> <span class="keyword">volatile</span> _Invalid_type& reference; };</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"></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"> * This structure accommodates the way in which</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> * std::iterator_traits<> is normally specialized for const T*, so</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * that value_type is still T.</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> */</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp> </div><div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="a10499.html"> 241</a></span>  <span class="keyword">struct </span><a class="code" href="a10499.html">_Unqualified_type</a> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  { <span class="keyword">typedef</span> _Tp type; };</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="keyword">template</span><<span class="keyword">typename</span> _Tp> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">struct </span><a class="code" href="a10499.html">_Unqualified_type</a><const _Tp> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  { <span class="keyword">typedef</span> _Tp type; };</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="comment"></span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> /**</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * The following provides an 'alternative pointer' that works with</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * the containers when specified as the pointer typedef of the</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * allocator.</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> *</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * The pointer type used with the containers doesn't have to be this</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> * class, but it must support the implicit conversions, pointer</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> * arithmetic, comparison operators, etc. that are supported by this</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> * class, and avoid raising compile-time ambiguities. Because</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * creating a working pointer can be challenging, this pointer</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * template was designed to wrapper an easier storage policy type,</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> * so that it becomes reusable for creating other pointer types.</span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> *</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"> * A key point of this class is also that it allows container</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> * writers to 'assume' Allocator::pointer is a typedef for a normal</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> * pointer. This class supports most of the conventions of a true</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> * pointer, and can, for instance handle implicit conversion to</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> * const and base class pointer types. The only impositions on</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * container writers to support extended pointers are: 1) use the</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> * Allocator::pointer typedef appropriately for pointer types. 2)</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> * if you need pointer casting, use the __pointer_cast<> functions</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> * from ext/cast.h. This allows pointer cast operations to be</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"> * overloaded as necessary by custom pointers.</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> *</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> * Note: The const qualifier works with this pointer adapter as</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> * follows:</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> *</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> * _Tp* == _Pointer_adapter<_Std_pointer_impl<_Tp> >;</span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"> * const _Tp* == _Pointer_adapter<_Std_pointer_impl<const _Tp> >;</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> * _Tp* const == const _Pointer_adapter<_Std_pointer_impl<_Tp> >;</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> * const _Tp* const == const _Pointer_adapter<_Std_pointer_impl<const _Tp> >;</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> */</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Storage_policy></div><div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="a10507.html"> 281</a></span>  <span class="keyword">class </span><a class="code" href="a10507.html">_Pointer_adapter</a> : <span class="keyword">public</span> _Storage_policy </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">public</span>:</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Storage_policy::element_type element_type;</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// These are needed for iterator_traits</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keyword">typedef</span> <a class="code" href="a07671.html">std::random_access_iterator_tag</a> <a class="code" href="a07671.html">iterator_category</a>;</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Unqualified_type<element_type>::type value_type;</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keyword">typedef</span> std::ptrdiff_t difference_type;</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keyword">typedef</span> <a class="code" href="a10507.html">_Pointer_adapter</a> <a class="code" href="a10507.html">pointer</a>;</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Reference_type<element_type>::reference reference;</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="comment">// Reminder: 'const' methods mean that the method is valid when the </span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">// pointer is immutable, and has nothing to do with whether the </span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// 'pointee' is const.</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// Default Constructor (Convert from element_type*)</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="a10507.html">_Pointer_adapter</a>(element_type* __arg = 0)</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  { _Storage_policy::set(__arg); }</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// Copy constructor from _Pointer_adapter of same type.</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <a class="code" href="a10507.html">_Pointer_adapter</a>(<span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter</a>& __arg) </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  { _Storage_policy::set(__arg.get()); }</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">// Convert from _Up* if conversion to element_type* is valid.</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <a class="code" href="a10507.html">_Pointer_adapter</a>(_Up* __arg)</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  { _Storage_policy::set(__arg); }</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="comment">// Conversion from another _Pointer_adapter if _Up if static cast is</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="comment">// valid.</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <a class="code" href="a10507.html">_Pointer_adapter</a>(<span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter<_Up></a>& __arg)</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  { _Storage_policy::set(__arg.get()); }</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// Destructor</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  ~<a class="code" href="a10507.html">_Pointer_adapter</a>() { }</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  </div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// Assignment operator</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <a class="code" href="a10507.html">_Pointer_adapter</a>&</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  operator=(<span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter</a>& __arg) </div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  {</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  _Storage_policy::set(__arg.get()); </div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>; </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> </div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="a10507.html">_Pointer_adapter</a>&</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  operator=(<span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter<_Up></a>& __arg)</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  {</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  _Storage_policy::set(__arg.get()); </div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>; </div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</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>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <a class="code" href="a10507.html">_Pointer_adapter</a>&</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  operator=(_Up* __arg)</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  {</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  _Storage_policy::set(__arg); </div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>; </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="comment">// Operator*, returns element_type&</span></div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keyword">inline</span> reference </div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  operator*()<span class="keyword"> const </span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> *(_Storage_policy::get()); }</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="comment">// Operator->, returns element_type*</span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keyword">inline</span> element_type* </div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  operator->()<span class="keyword"> const </span></div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _Storage_policy::get(); }</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> </div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">// Operator[], returns a element_type& to the item at that loc.</span></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keyword">inline</span> reference</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  operator[](std::ptrdiff_t __index)<span class="keyword"> const</span></div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> _Storage_policy::get()[__index]; }</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="comment">// To allow implicit conversion to "bool", for "if (ptr)..."</span></div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keyword">typedef</span> element_type*(<a class="code" href="a10507.html">_Pointer_adapter</a>::*__unspecified_bool_type)() <span class="keyword">const</span>;</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keyword">operator</span> __unspecified_bool_type()<span class="keyword"> const</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">return</span> _Storage_policy::get() == 0 ? 0 : </div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  &_Pointer_adapter::operator->; </div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> </div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="comment">// ! operator (for: if (!ptr)...)</span></div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  operator!()<span class="keyword"> const </span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (_Storage_policy::get() == 0); }</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="comment">// Pointer differences</span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keyword">inline</span> <span class="keyword">friend</span> std::ptrdiff_t </div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  operator-(<span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter</a>& __lhs, element_type* __rhs) </div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  { <span class="keywordflow">return</span> (__lhs.get() - __rhs); }</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  </div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keyword">inline</span> <span class="keyword">friend</span> std::ptrdiff_t </div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  operator-(element_type* __lhs, <span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter</a>& __rhs) </div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  { <span class="keywordflow">return</span> (__lhs - __rhs.get()); }</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  </div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keyword">inline</span> <span class="keyword">friend</span> std::ptrdiff_t </div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  operator-(<span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter</a>& __lhs, _Up* __rhs) </div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  { <span class="keywordflow">return</span> (__lhs.get() - __rhs); }</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  </div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">inline</span> <span class="keyword">friend</span> std::ptrdiff_t </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  operator-(_Up* __lhs, <span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter</a>& __rhs)</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  { <span class="keywordflow">return</span> (__lhs - __rhs.get()); }</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keyword">inline</span> std::ptrdiff_t </div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  operator-(<span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter<_Up></a>& __rhs)<span class="keyword"> const </span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (_Storage_policy::get() - __rhs.get()); }</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>  <span class="comment">// Pointer math</span></div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="comment">// Note: There is a reason for all this overloading based on different</span></div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="comment">// integer types. In some libstdc++-v3 test cases, a templated</span></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">// operator+ is declared which can match any types. This operator</span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="comment">// tends to "steal" the recognition of _Pointer_adapter's own operator+ </span></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="comment">// unless the integer type matches perfectly.</span></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> <span class="preprocessor">#define _CXX_POINTER_ARITH_OPERATOR_SET(INT_TYPE) \</span></div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="preprocessor"> inline friend _Pointer_adapter \</span></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="preprocessor"> operator+(const _Pointer_adapter& __lhs, INT_TYPE __offset) \</span></div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="preprocessor"> { return _Pointer_adapter(__lhs.get() + __offset); } \</span></div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="preprocessor"> inline friend _Pointer_adapter \</span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="preprocessor"> operator+(INT_TYPE __offset, const _Pointer_adapter& __rhs) \</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="preprocessor"> { return _Pointer_adapter(__rhs.get() + __offset); } \</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="preprocessor"> inline friend _Pointer_adapter \</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="preprocessor"> operator-(const _Pointer_adapter& __lhs, INT_TYPE __offset) \</span></div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="preprocessor"> { return _Pointer_adapter(__lhs.get() - __offset); } \</span></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="preprocessor"> inline _Pointer_adapter& \</span></div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="preprocessor"> operator+=(INT_TYPE __offset) \</span></div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="preprocessor"> _Storage_policy::set(_Storage_policy::get() + __offset); \</span></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="preprocessor"> return *this; \</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor"> } \</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="preprocessor"> inline _Pointer_adapter& \</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="preprocessor"> operator-=(INT_TYPE __offset) \</span></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="preprocessor"> { \</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="preprocessor"> _Storage_policy::set(_Storage_policy::get() - __offset); \</span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor"> return *this; \</span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="preprocessor"> } \</span></div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="preprocessor">// END of _CXX_POINTER_ARITH_OPERATOR_SET macro</span></div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  </div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">// Expand into the various pointer arithmetic operators needed.</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  _CXX_POINTER_ARITH_OPERATOR_SET(<span class="keywordtype">short</span>);</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  _CXX_POINTER_ARITH_OPERATOR_SET(<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>);</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  _CXX_POINTER_ARITH_OPERATOR_SET(<span class="keywordtype">int</span>);</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  _CXX_POINTER_ARITH_OPERATOR_SET(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  _CXX_POINTER_ARITH_OPERATOR_SET(<span class="keywordtype">long</span>);</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  _CXX_POINTER_ARITH_OPERATOR_SET(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>);</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor">#ifdef _GLIBCXX_USE_LONG_LONG</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  _CXX_POINTER_ARITH_OPERATOR_SET(<span class="keywordtype">long</span> <span class="keywordtype">long</span>);</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  _CXX_POINTER_ARITH_OPERATOR_SET(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span>);</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="preprocessor">#endif</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>  <span class="comment">// Mathematical Manipulators</span></div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keyword">inline</span> <a class="code" href="a10507.html">_Pointer_adapter</a>& </div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  operator++()</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  {</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  _Storage_policy::set(_Storage_policy::get() + 1); </div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  </div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keyword">inline</span> <a class="code" href="a10507.html">_Pointer_adapter</a> </div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  operator++(<span class="keywordtype">int</span>)</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  {</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <a class="code" href="a10507.html">_Pointer_adapter</a> __tmp(*<span class="keyword">this</span>);</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  _Storage_policy::set(_Storage_policy::get() + 1);</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">return</span> __tmp;</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  }</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  </div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keyword">inline</span> <a class="code" href="a10507.html">_Pointer_adapter</a>& </div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  operator--() </div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  {</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  _Storage_policy::set(_Storage_policy::get() - 1); </div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</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>  </div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keyword">inline</span> <a class="code" href="a10507.html">_Pointer_adapter</a></div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  operator--(<span class="keywordtype">int</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>  <a class="code" href="a10507.html">_Pointer_adapter</a> __tmp(*<span class="keyword">this</span>);</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  _Storage_policy::set(_Storage_policy::get() - 1);</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">return</span> __tmp;</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>  </div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  }; <span class="comment">// class _Pointer_adapter</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</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="preprocessor">#define _GCC_CXX_POINTER_COMPARISON_OPERATION_SET(OPERATOR) \</span></div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="preprocessor"> template<typename _Tp1, typename _Tp2> \</span></div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="preprocessor"> inline bool \</span></div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span> <span class="preprocessor"> operator OPERATOR(const _Pointer_adapter<_Tp1>& __lhs, _Tp2 __rhs) \</span></div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span> <span class="preprocessor"> { return __lhs.get() OPERATOR __rhs; } \</span></div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span> <span class="preprocessor"> template<typename _Tp1, typename _Tp2> \</span></div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="preprocessor"> inline bool \</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> <span class="preprocessor"> operator OPERATOR(_Tp1 __lhs, const _Pointer_adapter<_Tp2>& __rhs) \</span></div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="preprocessor"> { return __lhs OPERATOR __rhs.get(); } \</span></div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="preprocessor"> template<typename _Tp1, typename _Tp2> \</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="preprocessor"> inline bool \</span></div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="preprocessor"> operator OPERATOR(const _Pointer_adapter<_Tp1>& __lhs, \</span></div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="preprocessor"> const _Pointer_adapter<_Tp2>& __rhs) \</span></div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="preprocessor"> { return __lhs.get() OPERATOR __rhs.get(); } \</span></div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="preprocessor">\</span></div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="preprocessor">// End GCC_CXX_POINTER_COMPARISON_OPERATION_SET Macro</span></div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  </div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="comment">// Expand into the various comparison operators needed.</span></div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  _GCC_CXX_POINTER_COMPARISON_OPERATION_SET(==)</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  _GCC_CXX_POINTER_COMPARISON_OPERATION_SET(!=)</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  _GCC_CXX_POINTER_COMPARISON_OPERATION_SET(<)</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  _GCC_CXX_POINTER_COMPARISON_OPERATION_SET(<=)</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  _GCC_CXX_POINTER_COMPARISON_OPERATION_SET(>)</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  _GCC_CXX_POINTER_COMPARISON_OPERATION_SET(>=)</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span> </div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">// These are here for expressions like "ptr == 0", "ptr != 0"</span></div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  template<typename _Tp></div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  inline <span class="keywordtype">bool</span></div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  operator==(const <a class="code" href="a10507.html">_Pointer_adapter</a><_Tp>& __lhs, <span class="keywordtype">int</span> __rhs)</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  { <span class="keywordflow">return</span> __lhs.get() == reinterpret_cast<void*>(__rhs); } </div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span> </div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  operator==(<span class="keywordtype">int</span> __lhs, <span class="keyword">const</span> _Pointer_adapter<_Tp>& __rhs)</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  { <span class="keywordflow">return</span> __rhs.get() == reinterpret_cast<void*>(__lhs); } </div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span> </div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  operator!=(<span class="keyword">const</span> _Pointer_adapter<_Tp>& __lhs, <span class="keywordtype">int</span> __rhs)</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  { <span class="keywordflow">return</span> __lhs.get() != reinterpret_cast<void*>(__rhs); } </div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  operator!=(<span class="keywordtype">int</span> __lhs, <span class="keyword">const</span> _Pointer_adapter<_Tp>& __rhs)</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  { <span class="keywordflow">return</span> __rhs.get() != reinterpret_cast<void*>(__lhs); } </div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="comment"></span></div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="comment"> /**</span></div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="comment"> * Comparison operators for _Pointer_adapter defer to the base class'</span></div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="comment"> * comparison operators, when possible.</span></div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span> <span class="comment"> */</span></div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00533"></a><span class="lineno"><a class="line" href="a01547.html#ae7f71d536da5bf14e2d75305b4b88da5"> 533</a></span>  operator==(<span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter<_Tp></a>& __lhs, </div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keyword">const</span> <a class="code" href="a10507.html">_Pointer_adapter<_Tp></a>& __rhs)</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  { <span class="keywordflow">return</span> __lhs._Tp::operator==(__rhs); }</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span> </div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  operator<=(<span class="keyword">const</span> _Pointer_adapter<_Tp>& __lhs, </div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keyword">const</span> _Pointer_adapter<_Tp>& __rhs)</div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  { <span class="keywordflow">return</span> __lhs._Tp::operator<(__rhs) || __lhs._Tp::operator==(__rhs); }</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span> </div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  operator!=(<span class="keyword">const</span> _Pointer_adapter<_Tp>& __lhs, </div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keyword">const</span> _Pointer_adapter<_Tp>& __rhs)</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  { <span class="keywordflow">return</span> !(__lhs._Tp::operator==(__rhs)); }</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span> </div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  operator>(<span class="keyword">const</span> _Pointer_adapter<_Tp>& __lhs, </div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keyword">const</span> _Pointer_adapter<_Tp>& __rhs)</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  { <span class="keywordflow">return</span> !(__lhs._Tp::operator<(__rhs) || __lhs._Tp::operator==(__rhs)); }</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="keyword">template</span><<span class="keyword">typename</span> _Tp></div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  operator>=(<span class="keyword">const</span> _Pointer_adapter<_Tp>& __lhs, </div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keyword">const</span> _Pointer_adapter<_Tp>& __rhs)</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  { <span class="keywordflow">return</span> !(__lhs._Tp::operator<(__rhs)); }</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _StoreT></div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keyword">inline</span> <a class="code" href="a02463.html">std::basic_ostream<_CharT, _Traits></a>&</div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <a class="code" href="a01541.html#a20aaa750b7ddf43635768c7b2d0385e6">operator<<</a>(<a class="code" href="a02463.html">std::basic_ostream<_CharT, _Traits></a>& __os, </div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keyword">const</span> _Pointer_adapter<_StoreT>& __p)</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  { <span class="keywordflow">return</span> (__os << __p.get()); }</div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span> </div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span> </div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="preprocessor">#if __cplusplus >= 201103L</span></div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="keyword">namespace </span><a class="code" href="a01541.html">std</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span> {</div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span> </div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Storage_policy></div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keyword">struct </span>pointer_traits<<a class="code" href="a01547.html">__gnu_cxx</a>::_Pointer_adapter<_Storage_policy>></div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  {<span class="comment"></span></div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="comment"> /// The pointer type</span></div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="comment"></span> <span class="keyword">typedef</span> <a class="code" href="a10507.html">__gnu_cxx::_Pointer_adapter<_Storage_policy></a> <a class="code" href="a06251.html#a7f43cc1c2c600c67cef1972c4618b357">pointer</a>;<span class="comment"></span></div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <span class="comment"> /// The type pointed to</span></div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="comment"></span> <span class="keyword">typedef</span> <span class="keyword">typename</span> pointer::element_type <a class="code" href="a06251.html#a2952524002a6723ff9bec4c5dbee8367">element_type</a>;<span class="comment"></span></div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="comment"> /// Type used to represent the difference between two pointers</span></div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span> <span class="comment"></span> <span class="keyword">typedef</span> <span class="keyword">typename</span> pointer::difference_type <a class="code" href="a06251.html#aae92f86267e7a5f41c435f4f28eecbdb">difference_type</a>;</div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span> </div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Up></div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keyword">using</span> <a class="code" href="a06251.html#a623750ac65e5d54fc26075bc69af6081">rebind</a> = <span class="keyword">typename</span> <a class="code" href="a10507.html">__gnu_cxx::_Pointer_adapter</a><</div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keyword">typename</span> pointer_traits<_Storage_policy>::template rebind<_Up>>;</div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span> </div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keyword">static</span> <a class="code" href="a06251.html#a7f43cc1c2c600c67cef1972c4618b357">pointer</a> pointer_to(<span class="keyword">typename</span> pointer::reference __r) noexcept</div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  { <span class="keywordflow">return</span> <a class="code" href="a06251.html#a7f43cc1c2c600c67cef1972c4618b357">pointer</a>(<a class="code" href="a01480.html#gafffcfc895d2cfa7c934ec045e884faec">std::addressof</a>(__r)); }</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  };</div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span> </div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span> </div><div class="line"><a name="l00597"></a><span class="lineno"> 597</span> <span class="preprocessor">#endif // _POINTER_H</span></div><div class="ttc" id="a10463_html"><div class="ttname"><a href="a10463.html">__gnu_cxx::_Std_pointer_impl</a></div><div class="ttdoc">A storage policy for use with _Pointer_adapter<> which yields a standard pointer.</div><div class="ttdef"><b>Definition:</b> <a href="a01064_source.html#l00066">pointer.h:66</a></div></div>
<div class="ttc" id="a00422_html"><div class="ttname"><a href="a00422.html">move.h</a></div></div>
<div class="ttc" id="a01091_html"><div class="ttname"><a href="a01091.html">type_traits.h</a></div></div>
<div class="ttc" id="a06251_html_aae92f86267e7a5f41c435f4f28eecbdb"><div class="ttname"><a href="a06251.html#aae92f86267e7a5f41c435f4f28eecbdb">std::pointer_traits::difference_type</a></div><div class="ttdeci">__detected_or_t< ptrdiff_t, __difference_type, _Ptr > difference_type</div><div class="ttdoc">The type used to represent the difference between two pointers.</div><div class="ttdef"><b>Definition:</b> <a href="a00446_source.html#l00104">ptr_traits.h:104</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="a01480_html_gafffcfc895d2cfa7c934ec045e884faec"><div class="ttname"><a href="a01480.html#gafffcfc895d2cfa7c934ec045e884faec">std::addressof</a></div><div class="ttdeci">_GLIBCXX17_CONSTEXPR _Tp * addressof(_Tp &__r) noexcept</div><div class="ttdoc">Returns the actual address of the object or function referenced by r, even in the presence of an over...</div><div class="ttdef"><b>Definition:</b> <a href="a00422_source.html#l00138">move.h:138</a></div></div>
<div class="ttc" id="a01541_html"><div class="ttname"><a href="a01541.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
<div class="ttc" id="a00083_html"><div class="ttname"><a href="a00083.html">iosfwd</a></div></div>
<div class="ttc" id="a00446_html"><div class="ttname"><a href="a00446.html">ptr_traits.h</a></div></div>
<div class="ttc" id="a06251_html_a2952524002a6723ff9bec4c5dbee8367"><div class="ttname"><a href="a06251.html#a2952524002a6723ff9bec4c5dbee8367">std::pointer_traits::element_type</a></div><div class="ttdeci">__detected_or_t< __get_first_arg_t< _Ptr >, __element_type, _Ptr > element_type</div><div class="ttdoc">The type pointed to.</div><div class="ttdef"><b>Definition:</b> <a href="a00446_source.html#l00100">ptr_traits.h:100</a></div></div>
<div class="ttc" id="a02463_html"><div class="ttname"><a href="a02463.html">std::basic_ostream</a></div><div class="ttdoc">Template class basic_ostream.</div><div class="ttdef"><b>Definition:</b> <a href="a00083_source.html#l00086">iosfwd:86</a></div></div>
<div class="ttc" id="a01541_html_a20aaa750b7ddf43635768c7b2d0385e6"><div class="ttname"><a href="a01541.html#a20aaa750b7ddf43635768c7b2d0385e6">std::operator<<</a></div><div class="ttdeci">std::basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const bitset< _Nb > &__x)</div><div class="ttdoc">Global I/O operators for bitsets.</div><div class="ttdef"><b>Definition:</b> <a href="a00047_source.html#l01534">bitset:1534</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="a06251_html_a623750ac65e5d54fc26075bc69af6081"><div class="ttname"><a href="a06251.html#a623750ac65e5d54fc26075bc69af6081">std::pointer_traits::rebind</a></div><div class="ttdeci">typename __rebind< _Ptr, _Up >::type rebind</div><div class="ttdoc">A pointer to a different type.</div><div class="ttdef"><b>Definition:</b> <a href="a00446_source.html#l00108">ptr_traits.h:108</a></div></div>
<div class="ttc" id="a00554_html"><div class="ttname"><a href="a00554.html">stl_iterator_base_types.h</a></div></div>
<div class="ttc" id="a07671_html"><div class="ttname"><a href="a07671.html">std::random_access_iterator_tag</a></div><div class="ttdoc">Random-access iterators support a superset of bidirectional iterator operations.</div><div class="ttdef"><b>Definition:</b> <a href="a00554_source.html#l00103">stl_iterator_base_types.h:103</a></div></div>
<div class="ttc" id="a10467_html"><div class="ttname"><a href="a10467.html">__gnu_cxx::_Relative_pointer_impl</a></div><div class="ttdoc">A storage policy for use with _Pointer_adapter<> which stores the pointer's address as an offset valu...</div><div class="ttdef"><b>Definition:</b> <a href="a01064_source.html#l00109">pointer.h:109</a></div></div>
<div class="ttc" id="a01031_html"><div class="ttname"><a href="a01031.html">cast.h</a></div></div>
<div class="ttc" id="a06251_html_a7f43cc1c2c600c67cef1972c4618b357"><div class="ttname"><a href="a06251.html#a7f43cc1c2c600c67cef1972c4618b357">std::pointer_traits::pointer</a></div><div class="ttdeci">_Ptr pointer</div><div class="ttdoc">The pointer type.</div><div class="ttdef"><b>Definition:</b> <a href="a00446_source.html#l00096">ptr_traits.h:96</a></div></div>
<div class="ttc" id="a10499_html"><div class="ttname"><a href="a10499.html">__gnu_cxx::_Unqualified_type</a></div><div class="ttdef"><b>Definition:</b> <a href="a01064_source.html#l00241">pointer.h:241</a></div></div>
<div class="ttc" id="a10475_html"><div class="ttname"><a href="a10475.html">__gnu_cxx::_Invalid_type</a></div><div class="ttdef"><b>Definition:</b> <a href="a01064_source.html#l00213">pointer.h:213</a></div></div>
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