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<div class="title">map_util.h</div> </div>
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<a href="map__util_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2010-2018 Google LLC</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#ifndef OR_TOOLS_BASE_MAP_UTIL_H_</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#define OR_TOOLS_BASE_MAP_UTIL_H_</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegtl.html">gtl</a> {</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment">// Perform a lookup in a std::map or std::unordered_map.</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment">// If the key is present in the map then the value associated with that</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment">// key is returned, otherwise the value passed as a default is returned.</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="namespacegtl.html#abc18f60961e36340e64e428827c0e38e"> 26</a></span>&#160;<span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::second_type&amp; <a class="code" href="namespacegtl.html#abc18f60961e36340e64e428827c0e38e">FindWithDefault</a>(</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keyword">const</span> Collection&amp; collection,</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::first_type&amp; key,</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::second_type&amp; <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="keyword">typename</span> Collection::const_iterator it = collection.find(key);</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="keywordflow">if</span> (it == collection.end()) {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordflow">return</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; }</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordflow">return</span> it-&gt;second;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;}</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">// Perform a lookup in a std::map or std::unordered_map.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment">// If the key is present a const pointer to the associated value is returned,</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="comment">// otherwise a NULL pointer is returned.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647"> 41</a></span>&#160;<span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::second_type* <a class="code" href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">FindOrNull</a>(</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keyword">const</span> Collection&amp; collection,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::first_type&amp; key) {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">typename</span> Collection::const_iterator it = collection.find(key);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keywordflow">if</span> (it == collection.end()) {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; }</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">return</span> &amp;it-&gt;second;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;}</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment">// Perform a lookup in a std::map or std::unordered_map.</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment">// Same as above but the returned pointer is not const and can be used to change</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment">// the stored value.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="namespacegtl.html#a0b4358e4ac4ba378f4777f90a158f730"> 55</a></span>&#160;<span class="keyword">typename</span> Collection::value_type::second_type* <a class="code" href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">FindOrNull</a>(</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; Collection&amp; collection, <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::first_type&amp; key) {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">typename</span> Collection::iterator it = collection.find(key);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">if</span> (it == collection.end()) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">return</span> &amp;it-&gt;second;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;}</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="comment">// Perform a lookup in a std::map or std::unordered_map whose values are</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="comment">// pointers. If the key is present a const pointer to the associated value is</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="comment">// returned, otherwise a NULL pointer is returned. This function does not</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="comment">// distinguish between a missing key and a key mapped to a NULL value.</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="namespacegtl.html#a10ae48a53bb9d0ce3024501a7750260b"> 70</a></span>&#160;<span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::second_type <a class="code" href="namespacegtl.html#a10ae48a53bb9d0ce3024501a7750260b">FindPtrOrNull</a>(</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keyword">const</span> Collection&amp; collection,</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::first_type&amp; key) {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">typename</span> Collection::const_iterator it = collection.find(key);</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">if</span> (it == collection.end()) {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">return</span> it-&gt;second;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;}</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="comment">// Change the value associated with a particular key in a std::map or</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="comment">// std::unordered_map. If the key is not present in the map the key and value</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="comment">// are inserted, otherwise the value is updated to be a copy of the value</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="comment">// provided. True indicates that an insert took place, false indicates an</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="comment">// update.</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection, <span class="keyword">class</span> Key, <span class="keyword">class</span> Value&gt;</div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="namespacegtl.html#a28b9600337fe4ae3077d7646fca2970f"> 86</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="namespacegtl.html#a28b9600337fe4ae3077d7646fca2970f">InsertOrUpdate</a>(Collection* <span class="keyword">const</span> collection, <span class="keyword">const</span> Key&amp; key,</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keyword">const</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>&amp; <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; std::pair&lt;typename Collection::iterator, bool&gt; ret =</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; collection-&gt;insert(<span class="keyword">typename</span> Collection::value_type(key, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">if</span> (!ret.second) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="comment">// update</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; ret.first-&gt;second = <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;}</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="comment">// Insert a new key into a set.</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="comment">// If the key is not present in the set the key is</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="comment">// inserted, otherwise nothing happens. True indicates that an insert</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="comment">// took place, false indicates the key was already present.</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="namespacegtl.html#a3ea1e2b26e83387a5eea8d83d9406d34"> 103</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="namespacegtl.html#a3ea1e2b26e83387a5eea8d83d9406d34">InsertIfNotPresent</a>(Collection* <span class="keyword">const</span> collection,</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type&amp; <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; std::pair&lt;typename Collection::iterator, bool&gt; ret =</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; collection-&gt;insert(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keywordflow">return</span> ret.second;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;}</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="comment">// Insert a new key and value into a std::map or std::unordered_map.</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="comment">// If the key is not present in the map the key and value are</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="comment">// inserted, otherwise nothing happens. True indicates that an insert</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="comment">// took place, false indicates the key was already present.</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection, <span class="keyword">class</span> Key, <span class="keyword">class</span> Value&gt;</div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="namespacegtl.html#a448c7622e34b60a1010a4c684292bc7f"> 115</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="namespacegtl.html#a3ea1e2b26e83387a5eea8d83d9406d34">InsertIfNotPresent</a>(Collection* <span class="keyword">const</span> collection, <span class="keyword">const</span> Key&amp; key,</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keyword">const</span> <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>&amp; <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; std::pair&lt;typename Collection::iterator, bool&gt; ret =</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; collection-&gt;insert(<span class="keyword">typename</span> Collection::value_type(key, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">return</span> ret.second;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;}</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="comment">// Inserts a new std::pair&lt;key,value&gt; into a std::map or std::unordered_map.</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;<span class="comment">// Insert a new key into a std::set or std::unordered_set.</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<span class="comment">// Dies if the key is already present.</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="namespacegtl.html#a2dafdccc2a76e528208724b3cedab6ab"> 126</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="namespacegtl.html#a2dafdccc2a76e528208724b3cedab6ab">InsertOrDieNoPrint</a>(Collection* <span class="keyword">const</span> collection,</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type&amp; <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; CHECK(collection-&gt;insert(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>).second);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;}</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;<span class="comment">// Inserts a new std::pair&lt;key,value&gt; into a std::map or std::unordered_map.</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="comment">// Insert a new key into a std::set or std::unordered_set.</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="comment">// Dies if the key is already present.</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181"> 135</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">InsertOrDie</a>(Collection* <span class="keyword">const</span> collection,</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type&amp; <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; CHECK(collection-&gt;insert(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>).second) &lt;&lt; <span class="stringliteral">&quot;duplicate value: &quot;</span> &lt;&lt; <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;}</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;<span class="comment">// Inserts a new key/value into a std::map or std::unordered_map.</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;<span class="comment">// Dies if the key is already present.</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="namespacegtl.html#a52960c638efa5b6c96d69f2a40d371e8"> 143</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">InsertOrDie</a>(Collection* <span class="keyword">const</span> collection,</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::first_type&amp; key,</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::second_type&amp; data) {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> Collection::value_type value_type;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; CHECK(collection-&gt;insert(value_type(key, data)).second)</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; &lt;&lt; <span class="stringliteral">&quot;duplicate key: &quot;</span> &lt;&lt; key;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;}</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="comment">// Perform a lookup in std::map or std::unordered_map.</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="comment">// If the key is present and value is non-NULL then a copy of the value</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;<span class="comment">// associated with the key is made into *value. Returns whether key was present.</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection, <span class="keyword">class</span> Key, <span class="keyword">class</span> Value&gt;</div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64"> 155</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64">FindCopy</a>(<span class="keyword">const</span> Collection&amp; collection, <span class="keyword">const</span> Key&amp; key,</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a>* <span class="keyword">const</span> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keyword">typename</span> Collection::const_iterator it = collection.find(key);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">if</span> (it == collection.end()) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; *<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a> = it-&gt;second;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;}</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="comment">// Test to see if a std::set, std::map, std::unordered_set or std::unordered_map</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;<span class="comment">// contains a particular key. Returns true if the key is in the collection.</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection, <span class="keyword">class</span> Key&gt;</div>
<div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455"> 170</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">ContainsKey</a>(<span class="keyword">const</span> Collection&amp; collection, <span class="keyword">const</span> Key&amp; key) {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keyword">typename</span> Collection::const_iterator it = collection.find(key);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keywordflow">return</span> it != collection.end();</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;}</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="namespacegtl.html#abce27d097bc5680207b294bdad75f59f"> 176</a></span>&#160;<span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::second_type&amp; <a class="code" href="namespacegtl.html#abce27d097bc5680207b294bdad75f59f">FindOrDie</a>(</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keyword">const</span> Collection&amp; collection,</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::first_type&amp; key) {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keyword">typename</span> Collection::const_iterator it = collection.find(key);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; CHECK(it != collection.end()) &lt;&lt; <span class="stringliteral">&quot;Map key not found: &quot;</span> &lt;&lt; key;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keywordflow">return</span> it-&gt;second;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;}</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;<span class="comment">// Same as FindOrDie above, but doesn&#39;t log the key on failure.</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="namespacegtl.html#ad8c492791dfd0115c7cdddd24678666f"> 186</a></span>&#160;<span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::second_type&amp; <a class="code" href="namespacegtl.html#ad8c492791dfd0115c7cdddd24678666f">FindOrDieNoPrint</a>(</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keyword">const</span> Collection&amp; collection,</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::first_type&amp; key) {</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keyword">typename</span> Collection::const_iterator it = collection.find(key);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; CHECK(it != collection.end()) &lt;&lt; <span class="stringliteral">&quot;Map key not found&quot;</span>;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordflow">return</span> it-&gt;second;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;}</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;<span class="comment">// Same as above, but returns a non-const reference.</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="namespacegtl.html#afe955ae76624ce7774c5ff7c74a1ff75"> 196</a></span>&#160;<span class="keyword">typename</span> Collection::value_type::second_type&amp; <a class="code" href="namespacegtl.html#ad8c492791dfd0115c7cdddd24678666f">FindOrDieNoPrint</a>(</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; Collection&amp; collection, <span class="comment">// NOLINT</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::first_type&amp; key) {</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keyword">typename</span> Collection::iterator it = collection.find(key);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; CHECK(it != collection.end()) &lt;&lt; <span class="stringliteral">&quot;Map key not found&quot;</span>;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">return</span> it-&gt;second;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;}</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; </div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;<span class="comment">// Lookup a key in a std::map or std::unordered_map, insert it if it is not</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;<span class="comment">// present. Returns a reference to the value associated with the key.</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Collection&gt;</div>
<div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="namespacegtl.html#a7a0f8dc4187504b814d8a8be463b517c"> 207</a></span>&#160;<span class="keyword">typename</span> Collection::value_type::second_type&amp; <a class="code" href="namespacegtl.html#a7a0f8dc4187504b814d8a8be463b517c">LookupOrInsert</a>(</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; Collection* <span class="keyword">const</span> collection,</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::first_type&amp; key,</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keyword">const</span> <span class="keyword">typename</span> Collection::value_type::second_type&amp; <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; std::pair&lt;typename Collection::iterator, bool&gt; ret =</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; collection-&gt;insert(<span class="keyword">typename</span> Collection::value_type(key, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>));</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keywordflow">return</span> ret.first-&gt;second;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;}</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;} <span class="comment">// namespace gtl</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;<span class="preprocessor">#endif // OR_TOOLS_BASE_MAP_UTIL_H_</span></div>
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</div><!-- doc-content -->
<div class="ttc" id="anamespacegtl_html_a2dafdccc2a76e528208724b3cedab6ab"><div class="ttname"><a href="namespacegtl.html#a2dafdccc2a76e528208724b3cedab6ab">gtl::InsertOrDieNoPrint</a></div><div class="ttdeci">void InsertOrDieNoPrint(Collection *const collection, const typename Collection::value_type &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00126">map_util.h:126</a></div></div>
<div class="ttc" id="anamespacegtl_html_a7a0f8dc4187504b814d8a8be463b517c"><div class="ttname"><a href="namespacegtl.html#a7a0f8dc4187504b814d8a8be463b517c">gtl::LookupOrInsert</a></div><div class="ttdeci">Collection::value_type::second_type &amp; LookupOrInsert(Collection *const collection, const typename Collection::value_type::first_type &amp;key, const typename Collection::value_type::second_type &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00207">map_util.h:207</a></div></div>
<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
<div class="ttc" id="ademon__profiler_8cc_html_a21edc7ca4cc5802c8779d68556bc09cf"><div class="ttname"><a href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a></div><div class="ttdeci">int64 value</div><div class="ttdef"><b>Definition:</b> <a href="demon__profiler_8cc_source.html#l00043">demon_profiler.cc:43</a></div></div>
<div class="ttc" id="anamespacegtl_html_abc18f60961e36340e64e428827c0e38e"><div class="ttname"><a href="namespacegtl.html#abc18f60961e36340e64e428827c0e38e">gtl::FindWithDefault</a></div><div class="ttdeci">const Collection::value_type::second_type &amp; FindWithDefault(const Collection &amp;collection, const typename Collection::value_type::first_type &amp;key, const typename Collection::value_type::second_type &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00026">map_util.h:26</a></div></div>
<div class="ttc" id="anamespacegtl_html_ad8c492791dfd0115c7cdddd24678666f"><div class="ttname"><a href="namespacegtl.html#ad8c492791dfd0115c7cdddd24678666f">gtl::FindOrDieNoPrint</a></div><div class="ttdeci">const Collection::value_type::second_type &amp; FindOrDieNoPrint(const Collection &amp;collection, const typename Collection::value_type::first_type &amp;key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00186">map_util.h:186</a></div></div>
<div class="ttc" id="anamespacegtl_html_abce27d097bc5680207b294bdad75f59f"><div class="ttname"><a href="namespacegtl.html#abce27d097bc5680207b294bdad75f59f">gtl::FindOrDie</a></div><div class="ttdeci">const Collection::value_type::second_type &amp; FindOrDie(const Collection &amp;collection, const typename Collection::value_type::first_type &amp;key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00176">map_util.h:176</a></div></div>
<div class="ttc" id="anamespacegtl_html_ab9e05694d7776f2eef357feca8b9d647"><div class="ttname"><a href="namespacegtl.html#ab9e05694d7776f2eef357feca8b9d647">gtl::FindOrNull</a></div><div class="ttdeci">const Collection::value_type::second_type * FindOrNull(const Collection &amp;collection, const typename Collection::value_type::first_type &amp;key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00041">map_util.h:41</a></div></div>
<div class="ttc" id="anamespacegtl_html"><div class="ttname"><a href="namespacegtl.html">gtl</a></div><div class="ttdef"><b>Definition:</b> <a href="container__logging_8h_source.html#l00046">container_logging.h:46</a></div></div>
<div class="ttc" id="anamespacegtl_html_a28b9600337fe4ae3077d7646fca2970f"><div class="ttname"><a href="namespacegtl.html#a28b9600337fe4ae3077d7646fca2970f">gtl::InsertOrUpdate</a></div><div class="ttdeci">bool InsertOrUpdate(Collection *const collection, const Key &amp;key, const Value &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00086">map_util.h:86</a></div></div>
<div class="ttc" id="anamespaceoperations__research_1_1sat_html_a3f1a1b8a7a1a488e263a2e74f45d2a59"><div class="ttname"><a href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">operations_research::sat::Value</a></div><div class="ttdeci">std::function&lt; int64(const Model &amp;)&gt; Value(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01406">integer.h:1406</a></div></div>
<div class="ttc" id="anamespacegtl_html_a3ea1e2b26e83387a5eea8d83d9406d34"><div class="ttname"><a href="namespacegtl.html#a3ea1e2b26e83387a5eea8d83d9406d34">gtl::InsertIfNotPresent</a></div><div class="ttdeci">bool InsertIfNotPresent(Collection *const collection, const typename Collection::value_type &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00103">map_util.h:103</a></div></div>
<div class="ttc" id="anamespacegtl_html_a5c0d4dea208db4deaa285c06b78d8181"><div class="ttname"><a href="namespacegtl.html#a5c0d4dea208db4deaa285c06b78d8181">gtl::InsertOrDie</a></div><div class="ttdeci">void InsertOrDie(Collection *const collection, const typename Collection::value_type &amp;value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00135">map_util.h:135</a></div></div>
<div class="ttc" id="anamespacegtl_html_a10ae48a53bb9d0ce3024501a7750260b"><div class="ttname"><a href="namespacegtl.html#a10ae48a53bb9d0ce3024501a7750260b">gtl::FindPtrOrNull</a></div><div class="ttdeci">const Collection::value_type::second_type FindPtrOrNull(const Collection &amp;collection, const typename Collection::value_type::first_type &amp;key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00070">map_util.h:70</a></div></div>
<div class="ttc" id="anamespacegtl_html_a6a4238d2e35cf819a8e83d60d331ea64"><div class="ttname"><a href="namespacegtl.html#a6a4238d2e35cf819a8e83d60d331ea64">gtl::FindCopy</a></div><div class="ttdeci">bool FindCopy(const Collection &amp;collection, const Key &amp;key, Value *const value)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00155">map_util.h:155</a></div></div>
<div class="ttc" id="anamespacegtl_html_aae28e97bd1fa93cb0032642550da7455"><div class="ttname"><a href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a></div><div class="ttdeci">bool ContainsKey(const Collection &amp;collection, const Key &amp;key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00170">map_util.h:170</a></div></div>
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