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<a href="a00602.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">// Stream iterators</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) 2001-2018 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 bits/stream_iterator.h</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * Do not attempt to use it directly. @headername{iterator}</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> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifndef _STREAM_ITERATOR_H</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#define _STREAM_ITERATOR_H 1</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#pragma GCC system_header</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="a00746.html">debug/debug.h</a>></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span><a class="code" href="a01541.html">std</a> _GLIBCXX_VISIBILITY(default)</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> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> /**</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * @addtogroup iterators</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> */</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> /// Provides input iterator semantics for streams.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, <span class="keyword">typename</span> _CharT = char,</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">typename</span> _Traits = char_traits<_CharT>, <span class="keyword">typename</span> _Dist = ptrdiff_t></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="a07931.html"> 49</a></span>  <span class="keyword">class </span><a class="code" href="a07931.html">istream_iterator</a></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  : <span class="keyword">public</span> <a class="code" href="a07675.html">iterator</a><input_iterator_tag, _Tp, _Dist, const _Tp*, const _Tp&></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">public</span>:</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">typedef</span> _CharT char_type;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">typedef</span> _Traits traits_type;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">typedef</span> <a class="code" href="a02459.html">basic_istream<_CharT, _Traits></a> <a class="code" href="a02459.html">istream_type</a>;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="a02459.html">istream_type</a>* _M_stream;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  _Tp _M_value;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">bool</span> _M_ok;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">public</span>:<span class="comment"></span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> /// Construct end of input stream iterator.</span></div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="a07931.html#ad21a77186d51771382af6007e650b33c"> 64</a></span> <span class="comment"></span> _GLIBCXX_CONSTEXPR <a class="code" href="a07931.html#ad21a77186d51771382af6007e650b33c">istream_iterator</a>()</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  : _M_stream(0), _M_value(), _M_ok(false) {}</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> /// Construct start of input stream iterator.</span></div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="a07931.html#a947cfbb26709a887a3e2b47782d8093f"> 68</a></span> <span class="comment"></span> <a class="code" href="a07931.html#a947cfbb26709a887a3e2b47782d8093f">istream_iterator</a>(<a class="code" href="a02459.html">istream_type</a>& __s)</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  : _M_stream(<a class="code" href="a01541.html">std</a>::<a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">__addressof</a>(__s))</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  { _M_read(); }</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>  <a class="code" href="a07931.html#ad21a77186d51771382af6007e650b33c">istream_iterator</a>(<span class="keyword">const</span> <a class="code" href="a07931.html">istream_iterator</a>& __obj)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  : _M_stream(__obj._M_stream), _M_value(__obj._M_value),</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  _M_ok(__obj._M_ok)</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  { }</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="keyword">const</span> _Tp&</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  operator*()<span class="keyword"> const</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  __glibcxx_requires_cond(_M_ok,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  _M_message(__gnu_debug::__msg_deref_istream)</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  ._M_iterator(*<span class="keyword">this</span>));</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> _M_value;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">const</span> _Tp*</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  operator->()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a>((<span class="keyword">operator</span>*())); }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="a07931.html#ad21a77186d51771382af6007e650b33c">istream_iterator</a>&</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  operator++()</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  __glibcxx_requires_cond(_M_ok,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  _M_message(__gnu_debug::__msg_inc_istream)</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  ._M_iterator(*<span class="keyword">this</span>));</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  _M_read();</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="a07931.html#ad21a77186d51771382af6007e650b33c">istream_iterator</a></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  operator++(<span class="keywordtype">int</span>)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  __glibcxx_requires_cond(_M_ok,</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  _M_message(__gnu_debug::__msg_inc_istream)</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  ._M_iterator(*<span class="keyword">this</span>));</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="a07931.html#ad21a77186d51771382af6007e650b33c">istream_iterator</a> __tmp = *<span class="keyword">this</span>;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  _M_read();</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> __tmp;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  _M_equal(<span class="keyword">const</span> <a class="code" href="a07931.html#ad21a77186d51771382af6007e650b33c">istream_iterator</a>& __x)<span class="keyword"> const</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> (_M_ok == __x._M_ok) && (!_M_ok || _M_stream == __x._M_stream); }</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  _M_read()</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  _M_ok = (_M_stream && *_M_stream) ? <span class="keyword">true</span> : <span class="keyword">false</span>;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (_M_ok)</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  {</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  *_M_stream >> _M_value;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  _M_ok = *_M_stream ? true : <span class="keyword">false</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>  }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  };</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"></span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> /// Return true if x and y are both end or not end, or x and y are the same.</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, <span class="keyword">typename</span> _CharT, <span class="keyword">typename</span> _Traits, <span class="keyword">typename</span> _Dist></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="a01507.html#ga0431ac39f84ec7f88d6bdb9db72bd5b9"> 130</a></span>  operator==(<span class="keyword">const</span> <a class="code" href="a07931.html">istream_iterator<_Tp, _CharT, _Traits, _Dist></a>& __x,</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> <a class="code" href="a07931.html">istream_iterator<_Tp, _CharT, _Traits, _Dist></a>& __y)</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  { <span class="keywordflow">return</span> __x._M_equal(__y); }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"></span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> /// Return false if x and y are both end or not end, or x and y are the same.</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"></span> <span class="keyword">template</span> <<span class="keyword">class</span> _Tp, <span class="keyword">class</span> _CharT, <span class="keyword">class</span> _Traits, <span class="keyword">class</span> _Dist></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="a01507.html#ga51a6d053b3eb004ee172b8e7ef066854"> 137</a></span>  operator!=(<span class="keyword">const</span> <a class="code" href="a07931.html">istream_iterator<_Tp, _CharT, _Traits, _Dist></a>& __x,</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">const</span> <a class="code" href="a07931.html">istream_iterator<_Tp, _CharT, _Traits, _Dist></a>& __y)</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  { <span class="keywordflow">return</span> !__x._M_equal(__y); }</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"></span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> /**</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> * @brief Provides output iterator semantics for streams.</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> *</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> * This class provides an iterator to write to an ostream. The type Tp is</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> * the only type written by this iterator and there must be an</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> * operator<<(Tp) defined.</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> *</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * @tparam _Tp The type to write to the ostream.</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * @tparam _CharT The ostream char_type.</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * @tparam _Traits The ostream char_traits.</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> */</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Tp, <span class="keyword">typename</span> _CharT = char,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">typename</span> _Traits = char_traits<_CharT> ></div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="a07935.html"> 154</a></span>  <span class="keyword">class </span><a class="code" href="a07935.html">ostream_iterator</a></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  : <span class="keyword">public</span> <a class="code" href="a07675.html">iterator</a><output_iterator_tag, void, void, void, void></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">public</span>:<span class="comment"></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><span class="comment"> /// Public typedef</span></div><div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="a07935.html#a2e939ab7767bb87e13402127b3b0c841"> 160</a></span> <span class="comment"></span> <span class="keyword">typedef</span> _CharT <a class="code" href="a07935.html#a2e939ab7767bb87e13402127b3b0c841">char_type</a>;</div><div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="a07935.html#a5074fdcc3b49fe7a05c5689d04ab1033"> 161</a></span>  <span class="keyword">typedef</span> _Traits <a class="code" href="a07935.html#a5074fdcc3b49fe7a05c5689d04ab1033">traits_type</a>;</div><div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="a07935.html#aa8e002bf7b5552b4b9117198b99050ab"> 162</a></span>  <span class="keyword">typedef</span> <a class="code" href="a02463.html">basic_ostream<_CharT, _Traits></a> <a class="code" href="a07935.html#aa8e002bf7b5552b4b9117198b99050ab">ostream_type</a>;<span class="comment"></span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> //@}</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"></span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="a02463.html">ostream_type</a>* _M_stream;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> _CharT* _M_string;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">public</span>:<span class="comment"></span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"> /// Construct from an ostream.</span></div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="a07935.html#a43b5a82905d5237921fc78c44455950a"> 171</a></span> <span class="comment"></span> <a class="code" href="a07935.html#a43b5a82905d5237921fc78c44455950a">ostream_iterator</a>(<a class="code" href="a02463.html">ostream_type</a>& __s)</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  : _M_stream(<a class="code" href="a01541.html">std</a>::<a class="code" href="a01480.html#ga1954d5552e24586051011312041033f6">__addressof</a>(__s)), _M_string(0) {}</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"></span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> /**</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * Construct from an ostream.</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> *</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment"> * The delimiter string @a c is written to the stream after every Tp</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"> * written to the stream. The delimiter is not copied, and thus must</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment"> * not be destroyed while this iterator is in use.</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> *</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> * @param __s Underlying ostream to write to.</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> * @param __c CharT delimiter string to insert.</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> */</span></div><div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="a07935.html#afa776b7965fc2d27f9281944542be2d8"> 184</a></span>  <a class="code" href="a07935.html#afa776b7965fc2d27f9281944542be2d8">ostream_iterator</a>(<a class="code" href="a02463.html">ostream_type</a>& __s, <span class="keyword">const</span> _CharT* __c)</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  : _M_stream(&__s), _M_string(__c) { }</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"></span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> /// Copy constructor.</span></div><div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="a07935.html#a6f93dbe2e9972260dd0ab4b869967e26"> 188</a></span> <span class="comment"></span> <a class="code" href="a07935.html#a6f93dbe2e9972260dd0ab4b869967e26">ostream_iterator</a>(<span class="keyword">const</span> <a class="code" href="a07935.html">ostream_iterator</a>& __obj)</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  : _M_stream(__obj._M_stream), _M_string(__obj._M_string) { }</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"></span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> /// Writes @a value to underlying ostream using operator<<. If</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> /// constructed with delimiter string, writes delimiter to ostream.</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"></span> <a class="code" href="a07935.html">ostream_iterator</a>&</div><div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="a07935.html#a3c5547f8d577192a0c4672ef08a1b166"> 194</a></span>  <a class="code" href="a07935.html#a3c5547f8d577192a0c4672ef08a1b166">operator=</a>(<span class="keyword">const</span> _Tp& __value)</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_requires_cond(_M_stream != 0,</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  _M_message(__gnu_debug::__msg_output_ostream)</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  ._M_iterator(*<span class="keyword">this</span>));</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  *_M_stream << __value;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (_M_string) *_M_stream << _M_string;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="a07935.html">ostream_iterator</a>&</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  operator*()</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  { <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="a07935.html#a43b5a82905d5237921fc78c44455950a">ostream_iterator</a>&</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  operator++()</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  { <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="a07935.html#a43b5a82905d5237921fc78c44455950a">ostream_iterator</a>&</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  operator++(<span class="keywordtype">int</span>)</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  { <span class="keywordflow">return</span> *<span class="keyword">this</span>; }</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  };</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// @} group iterators</span></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> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> } <span class="comment">// namespace</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="preprocessor">#endif</span></div><div class="ttc" id="a07935_html_a43b5a82905d5237921fc78c44455950a"><div class="ttname"><a href="a07935.html#a43b5a82905d5237921fc78c44455950a">std::ostream_iterator::ostream_iterator</a></div><div class="ttdeci">ostream_iterator(ostream_type &__s)</div><div class="ttdoc">Construct from an ostream.</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00171">stream_iterator.h:171</a></div></div>
<div class="ttc" id="a07935_html_a5074fdcc3b49fe7a05c5689d04ab1033"><div class="ttname"><a href="a07935.html#a5074fdcc3b49fe7a05c5689d04ab1033">std::ostream_iterator::traits_type</a></div><div class="ttdeci">_Traits traits_type</div><div class="ttdoc">Public typedef.</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00161">stream_iterator.h:161</a></div></div>
<div class="ttc" id="a07675_html"><div class="ttname"><a href="a07675.html">std::iterator</a></div><div class="ttdoc">Common iterator class.</div><div class="ttdef"><b>Definition:</b> <a href="a00554_source.html#l00118">stl_iterator_base_types.h:118</a></div></div>
<div class="ttc" id="a01480_html_ga1954d5552e24586051011312041033f6"><div class="ttname"><a href="a01480.html#ga1954d5552e24586051011312041033f6">std::__addressof</a></div><div class="ttdeci">constexpr _Tp * __addressof(_Tp &__r) noexcept</div><div class="ttdoc">Same as C++11 std::addressof.</div><div class="ttdef"><b>Definition:</b> <a href="a00422_source.html#l00047">move.h:47</a></div></div>
<div class="ttc" id="a07935_html_afa776b7965fc2d27f9281944542be2d8"><div class="ttname"><a href="a07935.html#afa776b7965fc2d27f9281944542be2d8">std::ostream_iterator::ostream_iterator</a></div><div class="ttdeci">ostream_iterator(ostream_type &__s, const _CharT *__c)</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00184">stream_iterator.h:184</a></div></div>
<div class="ttc" id="a02459_html"><div class="ttname"><a href="a02459.html">std::basic_istream</a></div><div class="ttdoc">Template class basic_istream.</div><div class="ttdef"><b>Definition:</b> <a href="a00083_source.html#l00083">iosfwd:83</a></div></div>
<div class="ttc" id="a07931_html_ad21a77186d51771382af6007e650b33c"><div class="ttname"><a href="a07931.html#ad21a77186d51771382af6007e650b33c">std::istream_iterator::istream_iterator</a></div><div class="ttdeci">constexpr istream_iterator()</div><div class="ttdoc">Construct end of input stream iterator.</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00064">stream_iterator.h:64</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="a07931_html_a947cfbb26709a887a3e2b47782d8093f"><div class="ttname"><a href="a07931.html#a947cfbb26709a887a3e2b47782d8093f">std::istream_iterator::istream_iterator</a></div><div class="ttdeci">istream_iterator(istream_type &__s)</div><div class="ttdoc">Construct start of input stream iterator.</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00068">stream_iterator.h:68</a></div></div>
<div class="ttc" id="a00746_html"><div class="ttname"><a href="a00746.html">debug.h</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="a07931_html"><div class="ttname"><a href="a07931.html">std::istream_iterator</a></div><div class="ttdoc">Provides input iterator semantics for streams.</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00049">stream_iterator.h:49</a></div></div>
<div class="ttc" id="a07935_html_a6f93dbe2e9972260dd0ab4b869967e26"><div class="ttname"><a href="a07935.html#a6f93dbe2e9972260dd0ab4b869967e26">std::ostream_iterator::ostream_iterator</a></div><div class="ttdeci">ostream_iterator(const ostream_iterator &__obj)</div><div class="ttdoc">Copy constructor.</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00188">stream_iterator.h:188</a></div></div>
<div class="ttc" id="a07935_html_a3c5547f8d577192a0c4672ef08a1b166"><div class="ttname"><a href="a07935.html#a3c5547f8d577192a0c4672ef08a1b166">std::ostream_iterator::operator=</a></div><div class="ttdeci">ostream_iterator & operator=(const _Tp &__value)</div><div class="ttdoc">Writes value to underlying ostream using operator<<. If constructed with delimiter string,...</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00194">stream_iterator.h:194</a></div></div>
<div class="ttc" id="a07935_html_a2e939ab7767bb87e13402127b3b0c841"><div class="ttname"><a href="a07935.html#a2e939ab7767bb87e13402127b3b0c841">std::ostream_iterator::char_type</a></div><div class="ttdeci">_CharT char_type</div><div class="ttdoc">Public typedef.</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00160">stream_iterator.h:160</a></div></div>
<div class="ttc" id="a07935_html_aa8e002bf7b5552b4b9117198b99050ab"><div class="ttname"><a href="a07935.html#aa8e002bf7b5552b4b9117198b99050ab">std::ostream_iterator::ostream_type</a></div><div class="ttdeci">basic_ostream< _CharT, _Traits > ostream_type</div><div class="ttdoc">Public typedef.</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00162">stream_iterator.h:162</a></div></div>
<div class="ttc" id="a07935_html"><div class="ttname"><a href="a07935.html">std::ostream_iterator</a></div><div class="ttdoc">Provides output iterator semantics for streams.</div><div class="ttdef"><b>Definition:</b> <a href="a00602_source.html#l00154">stream_iterator.h:154</a></div></div>
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