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<a href="pair.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// vi:set ft=cpp: -*- Mode: C++ -*-</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">/*</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * (c) 2008-2009 Alexander Warg &lt;warg@os.inf.tu-dresden.de&gt;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * economic rights: Technische Universität Dresden (Germany)</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> */</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &lt;l4/cxx/type_traits&gt;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacecxx.html">cxx</a> {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> First, <span class="keyword">typename</span> Second &gt;</div>
<div class="foldopen" id="foldopen00027" data-start="{" data-end="};">
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="structcxx_1_1Pair.html"> 27</a></span><span class="keyword">struct </span><a class="code hl_function" href="structcxx_1_1Pair.html#aa36cc83aa95fbf17c665098bdbb9a9b7">Pair</a></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span>{</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="structcxx_1_1Pair.html#a8ac7ea0d0da854c19178810a4a9e6b56"> 30</a></span> <span class="keyword">typedef</span> First <a class="code hl_typedef" href="structcxx_1_1Pair.html#a8ac7ea0d0da854c19178810a4a9e6b56">First_type</a>;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"><a class="line" href="structcxx_1_1Pair.html#a0f3984071f05f60512ae1c7ce38d8129"> 32</a></span> <span class="keyword">typedef</span> Second <a class="code hl_typedef" href="structcxx_1_1Pair.html#a0f3984071f05f60512ae1c7ce38d8129">Second_type</a>;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880"> 35</a></span> First <a class="code hl_variable" href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880">first</a>;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"><a class="line" href="structcxx_1_1Pair.html#a5c1ced80a3c5af2f6af48ad8b61c06d7"> 37</a></span> Second <a class="code hl_variable" href="structcxx_1_1Pair.html#a5c1ced80a3c5af2f6af48ad8b61c06d7">second</a>;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> A1, <span class="keyword">typename</span> A2&gt;</div>
<div class="foldopen" id="foldopen00045" data-start="{" data-end="}">
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="structcxx_1_1Pair.html#aa36cc83aa95fbf17c665098bdbb9a9b7"> 45</a></span> <a class="code hl_function" href="structcxx_1_1Pair.html#aa36cc83aa95fbf17c665098bdbb9a9b7">Pair</a>(A1 &amp;&amp;<a class="code hl_variable" href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880">first</a>, A2 &amp;&amp;<a class="code hl_variable" href="structcxx_1_1Pair.html#a5c1ced80a3c5af2f6af48ad8b61c06d7">second</a>)</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> : <a class="code hl_variable" href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880">first</a>(<a class="code hl_namespace" href="namespacecxx.html">cxx</a>::forward&lt;A1&gt;(<a class="code hl_variable" href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880">first</a>)), <a class="code hl_variable" href="structcxx_1_1Pair.html#a5c1ced80a3c5af2f6af48ad8b61c06d7">second</a>(<a class="code hl_namespace" href="namespacecxx.html">cxx</a>::forward&lt;A2&gt;(<a class="code hl_variable" href="structcxx_1_1Pair.html#a5c1ced80a3c5af2f6af48ad8b61c06d7">second</a>)) {}</div>
</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> A1&gt;</div>
<div class="foldopen" id="foldopen00053" data-start="{" data-end="}">
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"><a class="line" href="structcxx_1_1Pair.html#a3c7579662bfd7f1c26104cf7e9d7e77d"> 53</a></span> <a class="code hl_function" href="structcxx_1_1Pair.html#a3c7579662bfd7f1c26104cf7e9d7e77d">Pair</a>(A1 &amp;&amp;<a class="code hl_variable" href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880">first</a>)</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> : <a class="code hl_variable" href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880">first</a>(<a class="code hl_namespace" href="namespacecxx.html">cxx</a>::forward&lt;A1&gt;(<a class="code hl_variable" href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880">first</a>)), <a class="code hl_variable" href="structcxx_1_1Pair.html#a5c1ced80a3c5af2f6af48ad8b61c06d7">second</a>() {}</div>
</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="structcxx_1_1Pair.html#a976f05f570b77e5f2d353af794c8d88e"> 57</a></span> <a class="code hl_function" href="structcxx_1_1Pair.html#a976f05f570b77e5f2d353af794c8d88e">Pair</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span>};</div>
</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> F, <span class="keyword">typename</span> S &gt;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><a class="code hl_struct" href="structcxx_1_1Pair.html">Pair&lt;F,S&gt;</a> pair(F <span class="keyword">const</span> &amp;f, S <span class="keyword">const</span> &amp;s)</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span>{ <span class="keywordflow">return</span> <a class="code hl_struct" href="structcxx_1_1Pair.html">cxx::Pair&lt;F,S&gt;</a>(f,s); }</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> Cmp, <span class="keyword">typename</span> Typ &gt;</div>
<div class="foldopen" id="foldopen00074" data-start="{" data-end="};">
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="classcxx_1_1Pair__first__compare.html"> 74</a></span><span class="keyword">class </span><a class="code hl_function" href="classcxx_1_1Pair__first__compare.html#ac80209c82306d7097cf1086db410d60a">Pair_first_compare</a></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span>{</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> Cmp <span class="keyword">const</span> &amp;_cmp;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"><a class="line" href="classcxx_1_1Pair__first__compare.html#ac80209c82306d7097cf1086db410d60a"> 84</a></span> <a class="code hl_function" href="classcxx_1_1Pair__first__compare.html#ac80209c82306d7097cf1086db410d60a">Pair_first_compare</a>(Cmp <span class="keyword">const</span> &amp;cmp = Cmp()) : _cmp(cmp) {}</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span></div>
<div class="foldopen" id="foldopen00091" data-start="{" data-end="}">
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"><a class="line" href="classcxx_1_1Pair__first__compare.html#a37252c0aa0712a5f4e4a78ba6ba0f966"> 91</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classcxx_1_1Pair__first__compare.html#a37252c0aa0712a5f4e4a78ba6ba0f966">operator () </a>(Typ <span class="keyword">const</span> &amp;l, Typ <span class="keyword">const</span> &amp;r)<span class="keyword"> const</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> _cmp(l.first,r.first); }</div>
</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>};</div>
</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span>}</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> OS, <span class="keyword">typename</span> A, <span class="keyword">typename</span> B &gt;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span>OS &amp;operator &lt;&lt; (OS &amp;os, <a class="code hl_struct" href="structcxx_1_1Pair.html">cxx::Pair&lt;A,B&gt;</a> <span class="keyword">const</span> &amp;p)</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span>{</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> os &lt;&lt; p.<a class="code hl_variable" href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880">first</a> &lt;&lt; <span class="charliteral">&#39;;&#39;</span> &lt;&lt; p.<a class="code hl_variable" href="structcxx_1_1Pair.html#a5c1ced80a3c5af2f6af48ad8b61c06d7">second</a>;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">return</span> os;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span>}</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="ttc" id="aclasscxx_1_1Pair__first__compare_html_a37252c0aa0712a5f4e4a78ba6ba0f966"><div class="ttname"><a href="classcxx_1_1Pair__first__compare.html#a37252c0aa0712a5f4e4a78ba6ba0f966">cxx::Pair_first_compare::operator()</a></div><div class="ttdeci">bool operator()(Typ const &amp;l, Typ const &amp;r) const</div><div class="ttdoc">Do the comparison based on the first value.</div><div class="ttdef"><b>Definition</b> <a href="#l00091">pair:91</a></div></div>
<div class="ttc" id="aclasscxx_1_1Pair__first__compare_html_ac80209c82306d7097cf1086db410d60a"><div class="ttname"><a href="classcxx_1_1Pair__first__compare.html#ac80209c82306d7097cf1086db410d60a">cxx::Pair_first_compare::Pair_first_compare</a></div><div class="ttdeci">Pair_first_compare(Cmp const &amp;cmp=Cmp())</div><div class="ttdoc">Construction.</div><div class="ttdef"><b>Definition</b> <a href="#l00084">pair:84</a></div></div>
<div class="ttc" id="anamespacecxx_html"><div class="ttname"><a href="namespacecxx.html">cxx</a></div><div class="ttdoc">Our C++ library.</div><div class="ttdef"><b>Definition</b> <a href="arith_source.html#l00011">arith:11</a></div></div>
<div class="ttc" id="astructcxx_1_1Pair_html"><div class="ttname"><a href="structcxx_1_1Pair.html">cxx::Pair</a></div><div class="ttdoc">Pair of two values.</div><div class="ttdef"><b>Definition</b> <a href="#l00027">pair:28</a></div></div>
<div class="ttc" id="astructcxx_1_1Pair_html_a0f3984071f05f60512ae1c7ce38d8129"><div class="ttname"><a href="structcxx_1_1Pair.html#a0f3984071f05f60512ae1c7ce38d8129">cxx::Pair&lt; KEY_TYPE, DATA_TYPE &gt;::Second_type</a></div><div class="ttdeci">DATA_TYPE Second_type</div><div class="ttdef"><b>Definition</b> <a href="#l00032">pair:32</a></div></div>
<div class="ttc" id="astructcxx_1_1Pair_html_a3c7579662bfd7f1c26104cf7e9d7e77d"><div class="ttname"><a href="structcxx_1_1Pair.html#a3c7579662bfd7f1c26104cf7e9d7e77d">cxx::Pair::Pair</a></div><div class="ttdeci">Pair(A1 &amp;&amp;first)</div><div class="ttdoc">Create a pair, default constructing the second value.</div><div class="ttdef"><b>Definition</b> <a href="#l00053">pair:53</a></div></div>
<div class="ttc" id="astructcxx_1_1Pair_html_a5c1ced80a3c5af2f6af48ad8b61c06d7"><div class="ttname"><a href="structcxx_1_1Pair.html#a5c1ced80a3c5af2f6af48ad8b61c06d7">cxx::Pair&lt; KEY_TYPE, DATA_TYPE &gt;::second</a></div><div class="ttdeci">DATA_TYPE second</div><div class="ttdef"><b>Definition</b> <a href="#l00037">pair:37</a></div></div>
<div class="ttc" id="astructcxx_1_1Pair_html_a8ac7ea0d0da854c19178810a4a9e6b56"><div class="ttname"><a href="structcxx_1_1Pair.html#a8ac7ea0d0da854c19178810a4a9e6b56">cxx::Pair&lt; KEY_TYPE, DATA_TYPE &gt;::First_type</a></div><div class="ttdeci">KEY_TYPE First_type</div><div class="ttdef"><b>Definition</b> <a href="#l00030">pair:30</a></div></div>
<div class="ttc" id="astructcxx_1_1Pair_html_a976f05f570b77e5f2d353af794c8d88e"><div class="ttname"><a href="structcxx_1_1Pair.html#a976f05f570b77e5f2d353af794c8d88e">cxx::Pair::Pair</a></div><div class="ttdeci">Pair()=default</div><div class="ttdoc">Default construction.</div></div>
<div class="ttc" id="astructcxx_1_1Pair_html_aa36cc83aa95fbf17c665098bdbb9a9b7"><div class="ttname"><a href="structcxx_1_1Pair.html#aa36cc83aa95fbf17c665098bdbb9a9b7">cxx::Pair::Pair</a></div><div class="ttdeci">Pair(A1 &amp;&amp;first, A2 &amp;&amp;second)</div><div class="ttdoc">Create a pair from the two values.</div><div class="ttdef"><b>Definition</b> <a href="#l00045">pair:45</a></div></div>
<div class="ttc" id="astructcxx_1_1Pair_html_ae4b62c38c9af46282232356d3cedc880"><div class="ttname"><a href="structcxx_1_1Pair.html#ae4b62c38c9af46282232356d3cedc880">cxx::Pair&lt; KEY_TYPE, DATA_TYPE &gt;::first</a></div><div class="ttdeci">KEY_TYPE first</div><div class="ttdef"><b>Definition</b> <a href="#l00035">pair:35</a></div></div>
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