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<a href="a00782.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">// Safe iterator implementation -*- 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) 2011-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/** @file debug/safe_local_iterator.h</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This file is a GNU debug extension to the Standard C++ Library.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> */</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifndef _GLIBCXX_DEBUG_SAFE_LOCAL_ITERATOR_H</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define _GLIBCXX_DEBUG_SAFE_LOCAL_ITERATOR_H 1</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="a00794.html">debug/safe_unordered_base.h</a>></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span><a class="code" href="a01571.html">__gnu_debug</a></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {<span class="comment"></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> /** \brief Safe iterator wrapper.</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> *</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * The class template %_Safe_local_iterator is a wrapper around an</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * iterator that tracks the iterator's movement among sequences and</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * checks that operations performed on the "safe" iterator are</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * legal. In additional to the basic iterator operations (which are</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * validated, and then passed to the underlying iterator),</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * %_Safe_local_iterator has member functions for iterator invalidation,</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * attaching/detaching the iterator from sequences, and querying</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * the iterator's state.</span></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="keyword">template</span><<span class="keyword">typename</span> _Iterator, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">class </span>_Safe_local_iterator</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  : <span class="keyword">private</span> _Iterator</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  , <span class="keyword">public</span> _Safe_local_iterator_base</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>  <span class="keyword">typedef</span> _Iterator _Iter_base;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">typedef</span> <a class="code" href="a08727.html#ad7d51ed8396149f6d4d44e9bbf48ddf3">_Safe_local_iterator_base</a> _Safe_base;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Sequence::const_local_iterator _Const_local_iterator;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Sequence::size_type size_type;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"></span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> /// Determine if this is a constant iterator.</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"></span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  _M_constant()<span class="keyword"> const</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> std::__are_same<_Const_local_iterator,</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="a08591.html#adc916fc873a967e3c62525fb890de36b">_Safe_local_iterator</a>>::__value;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">typedef</span> std::iterator_traits<_Iterator> _Traits;</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">struct </span>_Attach_single</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  { };</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="a08591.html#adc916fc873a967e3c62525fb890de36b">_Safe_local_iterator</a>(<span class="keyword">const</span> _Iterator& __i, _Safe_sequence_base* __cont,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  _Attach_single) noexcept</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  : _Iter_base(__i)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  { <a class="code" href="a08591.html#a8da8a15a449165ca5f17393e82445fd3">_M_attach_single</a>(__cont); }</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>  <span class="keyword">public</span>:</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">typedef</span> _Iterator iterator_type;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Traits::iterator_category iterator_category;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Traits::value_type value_type;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Traits::difference_type difference_type;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Traits::reference reference;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Traits::pointer pointer;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"></span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> /// @post the iterator is singular and unattached</span></div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="a08591.html#adc916fc873a967e3c62525fb890de36b"> 84</a></span> <span class="comment"></span> <a class="code" href="a08591.html#adc916fc873a967e3c62525fb890de36b">_Safe_local_iterator</a>() noexcept : _Iter_base() { }</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"></span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> /**</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> * @brief Safe iterator construction from an unsafe iterator and</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> * its sequence.</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"> *</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> * @pre @p seq is not NULL</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> * @post this is not singular</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> */</span></div><div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="a08591.html#a4ff1376224bdbaf79eaa666055a0c8d5"> 93</a></span>  <a class="code" href="a08591.html#a4ff1376224bdbaf79eaa666055a0c8d5">_Safe_local_iterator</a>(<span class="keyword">const</span> _Iterator& __i,</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">const</span> <a class="code" href="a08687.html">_Safe_sequence_base</a>* __cont)</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  : _Iter_base(__i), <a class="code" href="a08727.html">_Safe_base</a>(__cont, _M_constant())</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  _GLIBCXX_DEBUG_VERIFY(!this-><a class="code" href="a08683.html#a6b53f0fdddebe4b27ee7f9e6410a9616">_M_singular</a>(),</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  _M_message(__msg_init_singular)</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>));</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> <span class="comment"></span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> /**</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> * @brief Copy construction.</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> */</span></div><div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="a08591.html#a0a7e70d70fe6ebf02a59eb4ed6704642"> 105</a></span>  <a class="code" href="a08591.html#a0a7e70d70fe6ebf02a59eb4ed6704642">_Safe_local_iterator</a>(<span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator</a>& __x) noexcept</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  : _Iter_base(__x.base())</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  {</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// DR 408. Is vector<reverse_iterator<char*> > forbidden?</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  _GLIBCXX_DEBUG_VERIFY(!__x._M_singular()</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  || __x.base() == _Iterator(),</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  _M_message(__msg_init_copy_singular)</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  ._M_iterator(__x, <span class="stringliteral">"other"</span>));</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="a08591.html#ae844aa725bcfae4523cd9c050821e0f5">_M_attach</a>(__x._M_sequence);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"></span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> /**</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * @brief Move construction.</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> * @post __x is singular and unattached</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> */</span></div><div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="a08591.html#a281a8ffa72a96b7599ad892efc6f4367"> 122</a></span>  <a class="code" href="a08591.html#a281a8ffa72a96b7599ad892efc6f4367">_Safe_local_iterator</a>(<a class="code" href="a08591.html">_Safe_local_iterator</a>&& __x) noexcept</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  : _Iter_base()</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>  _GLIBCXX_DEBUG_VERIFY(!__x._M_singular()</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  || __x.base() == _Iterator(),</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  _M_message(__msg_init_copy_singular)</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>)</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  ._M_iterator(__x, <span class="stringliteral">"other"</span>));</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">auto</span> __cont = __x._M_sequence;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  __x._M_detach();</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  std::swap(<a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>(), __x.base());</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="a08591.html#ae844aa725bcfae4523cd9c050821e0f5">_M_attach</a>(__cont);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"></span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> /**</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> * @brief Converting constructor from a mutable iterator to a</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> * constant iterator.</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> */</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _MutableIterator></div><div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="a08591.html#ad1962adda89092c2ec740c7398e28ed2"> 141</a></span>  <a class="code" href="a08591.html#ad1962adda89092c2ec740c7398e28ed2">_Safe_local_iterator</a>(</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator</a><_MutableIterator,</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">typename</span> __gnu_cxx::__enable_if<std::__are_same<</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  _MutableIterator,</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">typename</span> _Sequence::local_iterator::iterator_type>::__value,</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  _Sequence>::__type>& __x)</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  : _Iter_base(__x.<a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>())</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// DR 408. Is vector<reverse_iterator<char*> > forbidden?</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  _GLIBCXX_DEBUG_VERIFY(!__x._M_singular()</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  || __x.base() == _Iterator(),</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  _M_message(__msg_init_const_singular)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>)</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  ._M_iterator(__x, <span class="stringliteral">"other"</span>));</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="a08591.html#ae844aa725bcfae4523cd9c050821e0f5">_M_attach</a>(__x._M_sequence);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"></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="comment"> * @brief Copy assignment.</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> */</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="a08591.html">_Safe_local_iterator</a>&</div><div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="a08591.html#aa7d1bbc86a00f5af9a96cc55c7914cce"> 163</a></span>  <a class="code" href="a08591.html#aa7d1bbc86a00f5af9a96cc55c7914cce">operator=</a>(<span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator</a>& __x)</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  {</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// _GLIBCXX_RESOLVE_LIB_DEFECTS</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// DR 408. Is vector<reverse_iterator<char*> > forbidden?</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  _GLIBCXX_DEBUG_VERIFY(!__x._M_singular()</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  || __x.base() == _Iterator(),</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  _M_message(__msg_copy_singular)</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>)</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  ._M_iterator(__x, <span class="stringliteral">"other"</span>));</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (this-><a class="code" href="a08683.html#a0ee820218a8e43841a84d866dc94f1e3">_M_sequence</a> && this-><a class="code" href="a08683.html#a0ee820218a8e43841a84d866dc94f1e3">_M_sequence</a> == __x._M_sequence)</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>  <a class="code" href="a10283.html">__gnu_cxx::__scoped_lock</a> __l(this-><a class="code" href="a08683.html#a8503df34e352af4f20a519bd5a2ffc10">_M_get_mutex</a>());</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>() = __x.base();</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="a08683.html#ad07568d7660eb8b85493b548d10c637a">_M_version</a> = __x._M_sequence->_M_version;</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">else</span></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>  <a class="code" href="a08727.html#ad88baf5072fed556979aaf901b3dfafd">_M_detach</a>();</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>() = __x.base();</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="a08591.html#ae844aa725bcfae4523cd9c050821e0f5">_M_attach</a>(__x._M_sequence);</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="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"></span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> /**</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> * @brief Move assignment.</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> * @post __x is singular and unattached</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> */</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="a08591.html">_Safe_local_iterator</a>&</div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="a08591.html#a63641a3d3e09e8c2ef28e47d9f4b6057"> 194</a></span>  <a class="code" href="a08591.html#a63641a3d3e09e8c2ef28e47d9f4b6057">operator=</a>(<a class="code" href="a08591.html">_Safe_local_iterator</a>&& __x) noexcept</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  _GLIBCXX_DEBUG_VERIFY(<span class="keyword">this</span> != &__x,</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  _M_message(__msg_self_move_assign)</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>));</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  _GLIBCXX_DEBUG_VERIFY(!__x._M_singular()</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  || __x.base() == _Iterator(),</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  _M_message(__msg_copy_singular)</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>)</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  ._M_iterator(__x, <span class="stringliteral">"other"</span>));</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (this-><a class="code" href="a08683.html#a0ee820218a8e43841a84d866dc94f1e3">_M_sequence</a> && this-><a class="code" href="a08683.html#a0ee820218a8e43841a84d866dc94f1e3">_M_sequence</a> == __x._M_sequence)</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="a10283.html">__gnu_cxx::__scoped_lock</a> __l(this-><a class="code" href="a08683.html#a8503df34e352af4f20a519bd5a2ffc10">_M_get_mutex</a>());</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>() = __x.base();</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="a08683.html#ad07568d7660eb8b85493b548d10c637a">_M_version</a> = __x._M_sequence->_M_version;</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  {</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="a08727.html#ad88baf5072fed556979aaf901b3dfafd">_M_detach</a>();</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>() = __x.base();</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="a08591.html#ae844aa725bcfae4523cd9c050821e0f5">_M_attach</a>(__x._M_sequence);</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  __x._M_detach();</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  __x.base() = _Iterator();</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"></span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> /**</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"> * @brief Iterator dereference.</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> * @pre iterator is dereferenceable</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"> */</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  reference</div><div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="a08591.html#a8e237d9370458e65ea6141b677e8e8f8"> 228</a></span>  <a class="code" href="a08591.html#a8e237d9370458e65ea6141b677e8e8f8">operator*</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  _GLIBCXX_DEBUG_VERIFY(this-><a class="code" href="a08591.html#a6aa79a341cb886c9747c9889a3794ed8">_M_dereferenceable</a>(),</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  _M_message(__msg_bad_deref)</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>));</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> *<a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>();</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"></span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> /**</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> * @brief Iterator dereference.</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * @pre iterator is dereferenceable</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>  pointer</div><div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="a08591.html#a4789f11d5d5c248e478a79f590186f1a"> 241</a></span>  <a class="code" href="a08591.html#a4789f11d5d5c248e478a79f590186f1a">operator-></a>()<span class="keyword"> const</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  _GLIBCXX_DEBUG_VERIFY(this-><a class="code" href="a08591.html#a6aa79a341cb886c9747c9889a3794ed8">_M_dereferenceable</a>(),</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  _M_message(__msg_bad_deref)</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>));</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>().operator->();</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// ------ Input iterator requirements ------</span><span class="comment"></span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> /**</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * @brief Iterator preincrement</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> * @pre iterator is incrementable</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> */</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <a class="code" href="a08591.html">_Safe_local_iterator</a>&</div><div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="a08591.html#ae86d3f9ac2f797a9231fb441c3a85f04"> 255</a></span>  <a class="code" href="a08591.html#ae86d3f9ac2f797a9231fb441c3a85f04">operator++</a>()</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  {</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  _GLIBCXX_DEBUG_VERIFY(this-><a class="code" href="a08591.html#a230223745882ecdae6c0d0c68beb7027">_M_incrementable</a>(),</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  _M_message(__msg_bad_inc)</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>));</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="a10283.html">__gnu_cxx::__scoped_lock</a> __l(this-><a class="code" href="a08683.html#a8503df34e352af4f20a519bd5a2ffc10">_M_get_mutex</a>());</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  ++<a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>();</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"></span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> /**</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> * @brief Iterator postincrement</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> * @pre iterator is incrementable</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> */</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="a08591.html">_Safe_local_iterator</a></div><div class="line"><a name="l00270"></a><span class="lineno"><a class="line" href="a08591.html#a970d20722ad94a43afaa2e4db289f85e"> 270</a></span>  <a class="code" href="a08591.html#a970d20722ad94a43afaa2e4db289f85e">operator++</a>(<span class="keywordtype">int</span>)</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  {</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  _GLIBCXX_DEBUG_VERIFY(this-><a class="code" href="a08591.html#a230223745882ecdae6c0d0c68beb7027">_M_incrementable</a>(),</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  _M_message(__msg_bad_inc)</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  ._M_iterator(*<span class="keyword">this</span>, <span class="stringliteral">"this"</span>));</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <a class="code" href="a10283.html">__gnu_cxx::__scoped_lock</a> __l(this-><a class="code" href="a08683.html#a8503df34e352af4f20a519bd5a2ffc10">_M_get_mutex</a>());</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span> <a class="code" href="a08591.html#adc916fc873a967e3c62525fb890de36b">_Safe_local_iterator</a>(<a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>()++, this-><a class="code" href="a08683.html#a0ee820218a8e43841a84d866dc94f1e3">_M_sequence</a>,</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  _Attach_single());</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// ------ Utilities ------</span><span class="comment"></span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> /**</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> * @brief Return the underlying iterator</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> */</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  _Iterator&</div><div class="line"><a name="l00285"></a><span class="lineno"><a class="line" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f"> 285</a></span>  <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>() noexcept { <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keyword">const</span> _Iterator&</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>() const noexcept { <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"></span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> /**</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> * @brief Return the bucket</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> */</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  size_type</div><div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="a08591.html#a15955b785b5ba3c61918a1c549fda0d2"> 294</a></span>  <a class="code" href="a08591.html#a15955b785b5ba3c61918a1c549fda0d2">bucket</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>()._M_get_bucket(); }</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"></span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> /**</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> * @brief Conversion to underlying non-debug iterator to allow</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"> * better interaction with non-debug containers.</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> */</span></div><div class="line"><a name="l00300"></a><span class="lineno"><a class="line" href="a08591.html#a996c63351ba75c6b08c729662f1e2809"> 300</a></span>  <span class="keyword">operator</span> _Iterator()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"></span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> /** Attach iterator to the given sequence. */</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00304"></a><span class="lineno"><a class="line" href="a08591.html#ae844aa725bcfae4523cd9c050821e0f5"> 304</a></span>  <a class="code" href="a08591.html#ae844aa725bcfae4523cd9c050821e0f5">_M_attach</a>(<a class="code" href="a08687.html">_Safe_sequence_base</a>* __seq)</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  { <a class="code" href="a08727.html#a78f52529ca9957c3f87afb0920456374">_Safe_base::_M_attach</a>(__seq, _M_constant()); }</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"></span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment"> /** Likewise, but not thread-safe. */</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00309"></a><span class="lineno"><a class="line" href="a08591.html#a8da8a15a449165ca5f17393e82445fd3"> 309</a></span>  <a class="code" href="a08591.html#a8da8a15a449165ca5f17393e82445fd3">_M_attach_single</a>(<a class="code" href="a08687.html">_Safe_sequence_base</a>* __seq)</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  { <a class="code" href="a08727.html#a1d77bdc38465edcace6943056f867725">_Safe_base::_M_attach_single</a>(__seq, _M_constant()); }</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"></span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> /// Is the iterator dereferenceable?</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"></span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00314"></a><span class="lineno"><a class="line" href="a08591.html#a6aa79a341cb886c9747c9889a3794ed8"> 314</a></span>  <a class="code" href="a08591.html#a6aa79a341cb886c9747c9889a3794ed8">_M_dereferenceable</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> !this-><a class="code" href="a08683.html#a6b53f0fdddebe4b27ee7f9e6410a9616">_M_singular</a>() && !<a class="code" href="a08591.html#a10fc12a7ddc4e7d5a554ad0194b0cd90">_M_is_end</a>(); }</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"></span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"> /// Is the iterator incrementable?</span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment"></span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00319"></a><span class="lineno"><a class="line" href="a08591.html#a230223745882ecdae6c0d0c68beb7027"> 319</a></span>  <a class="code" href="a08591.html#a230223745882ecdae6c0d0c68beb7027">_M_incrementable</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> !this-><a class="code" href="a08683.html#a6b53f0fdddebe4b27ee7f9e6410a9616">_M_singular</a>() && !<a class="code" href="a08591.html#a10fc12a7ddc4e7d5a554ad0194b0cd90">_M_is_end</a>(); }</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// Is the iterator range [*this, __rhs) valid?</span></div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  _M_valid_range(<span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator</a>& __rhs,</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <a class="code" href="a07767.html">std::pair</a><difference_type,</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <a class="code" href="a01571.html#a3817879cb58c2db9f22712a634ef0b92">_Distance_precision</a>>& __dist_info) <span class="keyword">const</span>;</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// The sequence this iterator references.</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keyword">typename</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  __gnu_cxx::__conditional_type<std::__are_same<_Const_local_iterator,</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="a08591.html">_Safe_local_iterator</a>>::__value,</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keyword">const</span> _Sequence*,</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  _Sequence*>::__type</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  _M_get_sequence()<span class="keyword"> const</span></div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> static_cast<_Sequence*>(<a class="code" href="a08683.html#a0ee820218a8e43841a84d866dc94f1e3">_M_sequence</a>); }</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"></span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"> /// Is this iterator equal to the sequence's begin(bucket) iterator?</span></div><div class="line"><a name="l00338"></a><span class="lineno"><a class="line" href="a08591.html#aec66d198e8316a67bd61262fb635d63a"> 338</a></span> <span class="comment"></span> <span class="keywordtype">bool</span> <a class="code" href="a08591.html#aec66d198e8316a67bd61262fb635d63a">_M_is_begin</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>() == _M_get_sequence()->_M_base().begin(<a class="code" href="a08591.html#a15955b785b5ba3c61918a1c549fda0d2">bucket</a>()); }</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"></span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> /// Is this iterator equal to the sequence's end(bucket) iterator?</span></div><div class="line"><a name="l00342"></a><span class="lineno"><a class="line" href="a08591.html#a10fc12a7ddc4e7d5a554ad0194b0cd90"> 342</a></span> <span class="comment"></span> <span class="keywordtype">bool</span> <a class="code" href="a08591.html#a10fc12a7ddc4e7d5a554ad0194b0cd90">_M_is_end</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code" href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">base</a>() == _M_get_sequence()->_M_base().end(<a class="code" href="a08591.html#a15955b785b5ba3c61918a1c549fda0d2">bucket</a>()); }</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"></span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> /// Is this iterator part of the same bucket as the other one?</span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Other></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00348"></a><span class="lineno"><a class="line" href="a08591.html#a39baef008b322b79b4946d682018d4f2"> 348</a></span>  <a class="code" href="a08591.html#a39baef008b322b79b4946d682018d4f2">_M_in_same_bucket</a>(<span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator</a><_Other,</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  _Sequence>& __other)<span class="keyword"> const</span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code" href="a08591.html#a15955b785b5ba3c61918a1c549fda0d2">bucket</a>() == __other.bucket(); }</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  };</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="keyword">template</span><<span class="keyword">typename</span> _IteratorL, <span class="keyword">typename</span> _IteratorR, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  operator==(<span class="keyword">const</span> _Safe_local_iterator<_IteratorL, _Sequence>& __lhs,</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keyword">const</span> _Safe_local_iterator<_IteratorR, _Sequence>& __rhs)</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>  _GLIBCXX_DEBUG_VERIFY(!__lhs._M_singular() && !__rhs._M_singular(),</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  _M_message(__msg_iter_compare_bad)</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  _GLIBCXX_DEBUG_VERIFY(__lhs._M_can_compare(__rhs),</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  _M_message(__msg_compare_different)</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  _GLIBCXX_DEBUG_VERIFY(__lhs._M_in_same_bucket(__rhs),</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  _M_message(__msg_local_iter_compare_bad)</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">return</span> __lhs.base() == __rhs.base();</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Iterator, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  operator==(<span class="keyword">const</span> _Safe_local_iterator<_Iterator, _Sequence>& __lhs,</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keyword">const</span> _Safe_local_iterator<_Iterator, _Sequence>& __rhs)</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  {</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  _GLIBCXX_DEBUG_VERIFY(!__lhs._M_singular() && !__rhs._M_singular(),</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  _M_message(__msg_iter_compare_bad)</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  _GLIBCXX_DEBUG_VERIFY(__lhs._M_can_compare(__rhs),</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  _M_message(__msg_compare_different)</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  _GLIBCXX_DEBUG_VERIFY(__lhs._M_in_same_bucket(__rhs),</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  _M_message(__msg_local_iter_compare_bad)</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span> __lhs.base() == __rhs.base();</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  }</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> _IteratorL, <span class="keyword">typename</span> _IteratorR, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  operator!=(<span class="keyword">const</span> _Safe_local_iterator<_IteratorL, _Sequence>& __lhs,</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">const</span> _Safe_local_iterator<_IteratorR, _Sequence>& __rhs)</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>  _GLIBCXX_DEBUG_VERIFY(! __lhs._M_singular() && ! __rhs._M_singular(),</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  _M_message(__msg_iter_compare_bad)</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  _GLIBCXX_DEBUG_VERIFY(__lhs._M_can_compare(__rhs),</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  _M_message(__msg_compare_different)</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  _GLIBCXX_DEBUG_VERIFY(__lhs._M_in_same_bucket(__rhs),</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  _M_message(__msg_local_iter_compare_bad)</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordflow">return</span> __lhs.base() != __rhs.base();</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Iterator, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  operator!=(<span class="keyword">const</span> _Safe_local_iterator<_Iterator, _Sequence>& __lhs,</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keyword">const</span> _Safe_local_iterator<_Iterator, _Sequence>& __rhs)</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  {</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  _GLIBCXX_DEBUG_VERIFY(!__lhs._M_singular() && !__rhs._M_singular(),</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  _M_message(__msg_iter_compare_bad)</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  _GLIBCXX_DEBUG_VERIFY(__lhs._M_can_compare(__rhs),</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  _M_message(__msg_compare_different)</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  _GLIBCXX_DEBUG_VERIFY(__lhs._M_in_same_bucket(__rhs),</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  _M_message(__msg_local_iter_compare_bad)</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  ._M_iterator(__lhs, <span class="stringliteral">"lhs"</span>)</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  ._M_iterator(__rhs, <span class="stringliteral">"rhs"</span>));</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> __lhs.base() != __rhs.base();</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment"></span></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment"> /** Safe local iterators know if they are dereferenceable. */</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Iterator, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00436"></a><span class="lineno"><a class="line" href="a01571.html#a2bb2a2986f4b7118b5f6f6b5db8af519"> 436</a></span>  <a class="code" href="a01571.html#abca2c6a25b59aae1d07eef6df6c16fff">__check_dereferenceable</a>(<span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator</a><_Iterator,</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  _Sequence>& __x)</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  { <span class="keywordflow">return</span> __x._M_dereferenceable(); }</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"></span></div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment"> /** Safe local iterators know how to check if they form a valid range. */</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Iterator, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00443"></a><span class="lineno"><a class="line" href="a01571.html#ada0ed4cd9ec02fd9fed5e674e88a956e"> 443</a></span>  <a class="code" href="a01571.html#a7a57c826c2512395af4b96c7024a1ec2">__valid_range</a>(<span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator<_Iterator, _Sequence></a>& __first,</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator<_Iterator, _Sequence></a>& __last,</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keyword">typename</span> <a class="code" href="a07767.html">_Distance_traits<_Iterator>::__type</a>& __dist_info)</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  { <span class="keywordflow">return</span> __first._M_valid_range(__last, __dist_info); }</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="comment"></span></div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"> /** Safe local iterators need a special method to get distance between each</span></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> other. */</span></div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Iterator, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keyword">inline</span> <a class="code" href="a07767.html">std::pair<typename std::iterator_traits<_Iterator>::difference_type</a>,</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <a class="code" href="a01571.html#a3817879cb58c2db9f22712a634ef0b92">_Distance_precision</a>></div><div class="line"><a name="l00453"></a><span class="lineno"><a class="line" href="a01571.html#a7c44624755d513a2e6c13f1d4873e18e"> 453</a></span>  <a class="code" href="a01571.html#a4c63b948ffb4aedd8656ab735dbe1f72">__get_distance</a>(<span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator<_Iterator, _Sequence></a>& __first,</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keyword">const</span> <a class="code" href="a08591.html">_Safe_local_iterator<_Iterator, _Sequence></a>& __last,</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <a class="code" href="a07655.html">std::input_iterator_tag</a>)</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  {</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">if</span> (__first.base() == __last.base())</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">return</span> { 0, __dp_exact };</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>  <span class="keywordflow">if</span> (__first._M_is_begin())</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  {</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">if</span> (__last._M_is_end())</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">return</span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  {</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  __first._M_get_sequence()->bucket_size(__first.bucket()),</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  __dp_exact</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> </div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">return</span> { 1, __dp_sign };</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  }</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> </div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> (__first._M_is_end())</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  {</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">if</span> (__last._M_is_begin())</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">return</span></div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  {</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  -__first._M_get_sequence()->bucket_size(__first.bucket()),</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  __dp_exact</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  };</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span> </div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">return</span> { -1, __dp_sign };</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  }</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span> </div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">if</span> (__last._M_is_begin())</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">return</span> { -1, __dp_sign };</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span> </div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">if</span> (__last._M_is_end())</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">return</span> { 1, __dp_sign };</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> </div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">return</span> { 1, __dp_equality };</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="preprocessor">#if __cplusplus < 201103L</span></div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Iterator, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keyword">struct </span>_Unsafe_type<_Safe_local_iterator<_Iterator, _Sequence> ></div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  { <span class="keyword">typedef</span> _Iterator _Type; };</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Iterator, <span class="keyword">typename</span> _Sequence></div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keyword">inline</span> _Iterator</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  __unsafe(<span class="keyword">const</span> _Safe_local_iterator<_Iterator, _Sequence>& __it)</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  { <span class="keywordflow">return</span> __it.base(); }</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span> </div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span> } <span class="comment">// namespace __gnu_debug</span></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="preprocessor">#include <<a class="code" href="a00785.html">debug/safe_local_iterator.tcc</a>></span></div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span> </div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="a08591_html_a6aa79a341cb886c9747c9889a3794ed8"><div class="ttname"><a href="a08591.html#a6aa79a341cb886c9747c9889a3794ed8">__gnu_debug::_Safe_local_iterator::_M_dereferenceable</a></div><div class="ttdeci">bool _M_dereferenceable() const</div><div class="ttdoc">Is the iterator dereferenceable?</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00314">safe_local_iterator.h:314</a></div></div>
<div class="ttc" id="a08591_html_a63641a3d3e09e8c2ef28e47d9f4b6057"><div class="ttname"><a href="a08591.html#a63641a3d3e09e8c2ef28e47d9f4b6057">__gnu_debug::_Safe_local_iterator::operator=</a></div><div class="ttdeci">_Safe_local_iterator & operator=(_Safe_local_iterator &&__x) noexcept</div><div class="ttdoc">Move assignment.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00194">safe_local_iterator.h:194</a></div></div>
<div class="ttc" id="a07767_html"><div class="ttname"><a href="a07767.html">std::pair</a></div><div class="ttdoc">Struct holding two objects of arbitrary type.</div><div class="ttdef"><b>Definition:</b> <a href="a00572_source.html#l00208">stl_pair.h:208</a></div></div>
<div class="ttc" id="a08591_html_a37fd9d3b91b2f222dbdfb95286e9e80f"><div class="ttname"><a href="a08591.html#a37fd9d3b91b2f222dbdfb95286e9e80f">__gnu_debug::_Safe_local_iterator::base</a></div><div class="ttdeci">_Iterator & base() noexcept</div><div class="ttdoc">Return the underlying iterator.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00285">safe_local_iterator.h:285</a></div></div>
<div class="ttc" id="a07655_html"><div class="ttname"><a href="a07655.html">std::input_iterator_tag</a></div><div class="ttdoc">Marking input iterators.</div><div class="ttdef"><b>Definition:</b> <a href="a00554_source.html#l00089">stl_iterator_base_types.h:89</a></div></div>
<div class="ttc" id="a08591_html_a4789f11d5d5c248e478a79f590186f1a"><div class="ttname"><a href="a08591.html#a4789f11d5d5c248e478a79f590186f1a">__gnu_debug::_Safe_local_iterator::operator-></a></div><div class="ttdeci">pointer operator->() const</div><div class="ttdoc">Iterator dereference.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00241">safe_local_iterator.h:241</a></div></div>
<div class="ttc" id="a08591_html_a281a8ffa72a96b7599ad892efc6f4367"><div class="ttname"><a href="a08591.html#a281a8ffa72a96b7599ad892efc6f4367">__gnu_debug::_Safe_local_iterator::_Safe_local_iterator</a></div><div class="ttdeci">_Safe_local_iterator(_Safe_local_iterator &&__x) noexcept</div><div class="ttdoc">Move construction.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00122">safe_local_iterator.h:122</a></div></div>
<div class="ttc" id="a08591_html_a970d20722ad94a43afaa2e4db289f85e"><div class="ttname"><a href="a08591.html#a970d20722ad94a43afaa2e4db289f85e">__gnu_debug::_Safe_local_iterator::operator++</a></div><div class="ttdeci">_Safe_local_iterator operator++(int)</div><div class="ttdoc">Iterator postincrement.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00270">safe_local_iterator.h:270</a></div></div>
<div class="ttc" id="a10283_html"><div class="ttname"><a href="a10283.html">__gnu_cxx::__scoped_lock</a></div><div class="ttdoc">Scoped lock idiom.</div><div class="ttdef"><b>Definition:</b> <a href="a01037_source.html#l00231">concurrence.h:231</a></div></div>
<div class="ttc" id="a01571_html"><div class="ttname"><a href="a01571.html">__gnu_debug</a></div><div class="ttdoc">GNU debug classes for public use.</div></div>
<div class="ttc" id="a08683_html_ad07568d7660eb8b85493b548d10c637a"><div class="ttname"><a href="a08683.html#ad07568d7660eb8b85493b548d10c637a">__gnu_debug::_Safe_iterator_base::_M_version</a></div><div class="ttdeci">unsigned int _M_version</div><div class="ttdef"><b>Definition:</b> <a href="a00770_source.html#l00066">safe_base.h:66</a></div></div>
<div class="ttc" id="a08591_html_adc916fc873a967e3c62525fb890de36b"><div class="ttname"><a href="a08591.html#adc916fc873a967e3c62525fb890de36b">__gnu_debug::_Safe_local_iterator::_Safe_local_iterator</a></div><div class="ttdeci">_Safe_local_iterator() noexcept</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00084">safe_local_iterator.h:84</a></div></div>
<div class="ttc" id="a08687_html"><div class="ttname"><a href="a08687.html">__gnu_debug::_Safe_sequence_base</a></div><div class="ttdoc">Base class that supports tracking of iterators that reference a sequence.</div><div class="ttdef"><b>Definition:</b> <a href="a00770_source.html#l00188">safe_base.h:188</a></div></div>
<div class="ttc" id="a08591_html_a39baef008b322b79b4946d682018d4f2"><div class="ttname"><a href="a08591.html#a39baef008b322b79b4946d682018d4f2">__gnu_debug::_Safe_local_iterator::_M_in_same_bucket</a></div><div class="ttdeci">bool _M_in_same_bucket(const _Safe_local_iterator< _Other, _Sequence > &__other) const</div><div class="ttdoc">Is this iterator part of the same bucket as the other one?</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00348">safe_local_iterator.h:348</a></div></div>
<div class="ttc" id="a08591_html_ae844aa725bcfae4523cd9c050821e0f5"><div class="ttname"><a href="a08591.html#ae844aa725bcfae4523cd9c050821e0f5">__gnu_debug::_Safe_local_iterator::_M_attach</a></div><div class="ttdeci">void _M_attach(_Safe_sequence_base *__seq)</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00304">safe_local_iterator.h:304</a></div></div>
<div class="ttc" id="a08591_html_a230223745882ecdae6c0d0c68beb7027"><div class="ttname"><a href="a08591.html#a230223745882ecdae6c0d0c68beb7027">__gnu_debug::_Safe_local_iterator::_M_incrementable</a></div><div class="ttdeci">bool _M_incrementable() const</div><div class="ttdoc">Is the iterator incrementable?</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00319">safe_local_iterator.h:319</a></div></div>
<div class="ttc" id="a08591_html_aa7d1bbc86a00f5af9a96cc55c7914cce"><div class="ttname"><a href="a08591.html#aa7d1bbc86a00f5af9a96cc55c7914cce">__gnu_debug::_Safe_local_iterator::operator=</a></div><div class="ttdeci">_Safe_local_iterator & operator=(const _Safe_local_iterator &__x)</div><div class="ttdoc">Copy assignment.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00163">safe_local_iterator.h:163</a></div></div>
<div class="ttc" id="a08591_html_aec66d198e8316a67bd61262fb635d63a"><div class="ttname"><a href="a08591.html#aec66d198e8316a67bd61262fb635d63a">__gnu_debug::_Safe_local_iterator::_M_is_begin</a></div><div class="ttdeci">bool _M_is_begin() const</div><div class="ttdoc">Is this iterator equal to the sequence's begin(bucket) iterator?</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00338">safe_local_iterator.h:338</a></div></div>
<div class="ttc" id="a08727_html_ad7d51ed8396149f6d4d44e9bbf48ddf3"><div class="ttname"><a href="a08727.html#ad7d51ed8396149f6d4d44e9bbf48ddf3">__gnu_debug::_Safe_local_iterator_base::_Safe_local_iterator_base</a></div><div class="ttdeci">_Safe_local_iterator_base()</div><div class="ttdef"><b>Definition:</b> <a href="a00794_source.html#l00054">safe_unordered_base.h:54</a></div></div>
<div class="ttc" id="a01571_html_a3817879cb58c2db9f22712a634ef0b92"><div class="ttname"><a href="a01571.html#a3817879cb58c2db9f22712a634ef0b92">__gnu_debug::_Distance_precision</a></div><div class="ttdeci">_Distance_precision</div><div class="ttdef"><b>Definition:</b> <a href="a00755_source.html#l00043">helper_functions.h:43</a></div></div>
<div class="ttc" id="a08727_html_ad88baf5072fed556979aaf901b3dfafd"><div class="ttname"><a href="a08727.html#ad88baf5072fed556979aaf901b3dfafd">__gnu_debug::_Safe_local_iterator_base::_M_detach</a></div><div class="ttdeci">void _M_detach()</div></div>
<div class="ttc" id="a08591_html_a8e237d9370458e65ea6141b677e8e8f8"><div class="ttname"><a href="a08591.html#a8e237d9370458e65ea6141b677e8e8f8">__gnu_debug::_Safe_local_iterator::operator*</a></div><div class="ttdeci">reference operator*() const</div><div class="ttdoc">Iterator dereference.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00228">safe_local_iterator.h:228</a></div></div>
<div class="ttc" id="a01571_html_a4c63b948ffb4aedd8656ab735dbe1f72"><div class="ttname"><a href="a01571.html#a4c63b948ffb4aedd8656ab735dbe1f72">__gnu_debug::__get_distance</a></div><div class="ttdeci">_Distance_traits< _Iterator >::__type __get_distance(const _Iterator &__lhs, const _Iterator &__rhs, std::random_access_iterator_tag)</div><div class="ttdef"><b>Definition:</b> <a href="a00755_source.html#l00083">helper_functions.h:83</a></div></div>
<div class="ttc" id="a08591_html_a8da8a15a449165ca5f17393e82445fd3"><div class="ttname"><a href="a08591.html#a8da8a15a449165ca5f17393e82445fd3">__gnu_debug::_Safe_local_iterator::_M_attach_single</a></div><div class="ttdeci">void _M_attach_single(_Safe_sequence_base *__seq)</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00309">safe_local_iterator.h:309</a></div></div>
<div class="ttc" id="a08591_html_a0a7e70d70fe6ebf02a59eb4ed6704642"><div class="ttname"><a href="a08591.html#a0a7e70d70fe6ebf02a59eb4ed6704642">__gnu_debug::_Safe_local_iterator::_Safe_local_iterator</a></div><div class="ttdeci">_Safe_local_iterator(const _Safe_local_iterator &__x) noexcept</div><div class="ttdoc">Copy construction.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00105">safe_local_iterator.h:105</a></div></div>
<div class="ttc" id="a08683_html_a0ee820218a8e43841a84d866dc94f1e3"><div class="ttname"><a href="a08683.html#a0ee820218a8e43841a84d866dc94f1e3">__gnu_debug::_Safe_iterator_base::_M_sequence</a></div><div class="ttdeci">_Safe_sequence_base * _M_sequence</div><div class="ttdef"><b>Definition:</b> <a href="a00770_source.html#l00057">safe_base.h:57</a></div></div>
<div class="ttc" id="a01571_html_a7a57c826c2512395af4b96c7024a1ec2"><div class="ttname"><a href="a01571.html#a7a57c826c2512395af4b96c7024a1ec2">__gnu_debug::__valid_range</a></div><div class="ttdeci">bool __valid_range(const _InputIterator &__first, const _InputIterator &__last, typename _Distance_traits< _InputIterator >::__type &__dist)</div><div class="ttdef"><b>Definition:</b> <a href="a00755_source.html#l00152">helper_functions.h:152</a></div></div>
<div class="ttc" id="a08591_html_a4ff1376224bdbaf79eaa666055a0c8d5"><div class="ttname"><a href="a08591.html#a4ff1376224bdbaf79eaa666055a0c8d5">__gnu_debug::_Safe_local_iterator::_Safe_local_iterator</a></div><div class="ttdeci">_Safe_local_iterator(const _Iterator &__i, const _Safe_sequence_base *__cont)</div><div class="ttdoc">Safe iterator construction from an unsafe iterator and its sequence.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00093">safe_local_iterator.h:93</a></div></div>
<div class="ttc" id="a01571_html_abca2c6a25b59aae1d07eef6df6c16fff"><div class="ttname"><a href="a01571.html#abca2c6a25b59aae1d07eef6df6c16fff">__gnu_debug::__check_dereferenceable</a></div><div class="ttdeci">bool __check_dereferenceable(const _Iterator &)</div><div class="ttdef"><b>Definition:</b> <a href="a00752_source.html#l00074">functions.h:74</a></div></div>
<div class="ttc" id="a08683_html_a6b53f0fdddebe4b27ee7f9e6410a9616"><div class="ttname"><a href="a08683.html#a6b53f0fdddebe4b27ee7f9e6410a9616">__gnu_debug::_Safe_iterator_base::_M_singular</a></div><div class="ttdeci">bool _M_singular() const</div></div>
<div class="ttc" id="a08727_html_a78f52529ca9957c3f87afb0920456374"><div class="ttname"><a href="a08727.html#a78f52529ca9957c3f87afb0920456374">__gnu_debug::_Safe_local_iterator_base::_M_attach</a></div><div class="ttdeci">void _M_attach(_Safe_sequence_base *__seq, bool __constant)</div></div>
<div class="ttc" id="a08591_html_ad1962adda89092c2ec740c7398e28ed2"><div class="ttname"><a href="a08591.html#ad1962adda89092c2ec740c7398e28ed2">__gnu_debug::_Safe_local_iterator::_Safe_local_iterator</a></div><div class="ttdeci">_Safe_local_iterator(const _Safe_local_iterator< _MutableIterator, typename __gnu_cxx::__enable_if< std::__are_same< _MutableIterator, typename _Sequence::local_iterator::iterator_type >::__value, _Sequence >::__type > &__x)</div><div class="ttdoc">Converting constructor from a mutable iterator to a constant iterator.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00141">safe_local_iterator.h:141</a></div></div>
<div class="ttc" id="a08591_html_a15955b785b5ba3c61918a1c549fda0d2"><div class="ttname"><a href="a08591.html#a15955b785b5ba3c61918a1c549fda0d2">__gnu_debug::_Safe_local_iterator::bucket</a></div><div class="ttdeci">size_type bucket() const</div><div class="ttdoc">Return the bucket.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00294">safe_local_iterator.h:294</a></div></div>
<div class="ttc" id="a08591_html_ae86d3f9ac2f797a9231fb441c3a85f04"><div class="ttname"><a href="a08591.html#ae86d3f9ac2f797a9231fb441c3a85f04">__gnu_debug::_Safe_local_iterator::operator++</a></div><div class="ttdeci">_Safe_local_iterator & operator++()</div><div class="ttdoc">Iterator preincrement.</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00255">safe_local_iterator.h:255</a></div></div>
<div class="ttc" id="a00794_html"><div class="ttname"><a href="a00794.html">safe_unordered_base.h</a></div></div>
<div class="ttc" id="a08591_html"><div class="ttname"><a href="a08591.html">__gnu_debug::_Safe_local_iterator</a></div><div class="ttdoc">Safe iterator wrapper.</div><div class="ttdef"><b>Definition:</b> <a href="a00749_source.html#l00059">formatter.h:59</a></div></div>
<div class="ttc" id="a08727_html"><div class="ttname"><a href="a08727.html">__gnu_debug::_Safe_local_iterator_base</a></div><div class="ttdoc">Basic functionality for a safe iterator.</div><div class="ttdef"><b>Definition:</b> <a href="a00794_source.html#l00050">safe_unordered_base.h:50</a></div></div>
<div class="ttc" id="a08727_html_a1d77bdc38465edcace6943056f867725"><div class="ttname"><a href="a08727.html#a1d77bdc38465edcace6943056f867725">__gnu_debug::_Safe_local_iterator_base::_M_attach_single</a></div><div class="ttdeci">void _M_attach_single(_Safe_sequence_base *__seq, bool __constant)</div></div>
<div class="ttc" id="a08683_html_a8503df34e352af4f20a519bd5a2ffc10"><div class="ttname"><a href="a08683.html#a8503df34e352af4f20a519bd5a2ffc10">__gnu_debug::_Safe_iterator_base::_M_get_mutex</a></div><div class="ttdeci">__gnu_cxx::__mutex & _M_get_mutex()</div></div>
<div class="ttc" id="a08591_html_a10fc12a7ddc4e7d5a554ad0194b0cd90"><div class="ttname"><a href="a08591.html#a10fc12a7ddc4e7d5a554ad0194b0cd90">__gnu_debug::_Safe_local_iterator::_M_is_end</a></div><div class="ttdeci">bool _M_is_end() const</div><div class="ttdoc">Is this iterator equal to the sequence's end(bucket) iterator?</div><div class="ttdef"><b>Definition:</b> <a href="a00782_source.html#l00342">safe_local_iterator.h:342</a></div></div>
<div class="ttc" id="a00785_html"><div class="ttname"><a href="a00785.html">safe_local_iterator.tcc</a></div></div>
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