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 <span id="projectnumber">8.1</span>
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<div class="title">rev.h</div> </div>
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<a href="rev_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> <span class="comment">// Copyright 2010-2018 Google LLC</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// You may obtain a copy of the License at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// See the License for the specific language governing permissions and</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// limitations under the License.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// Reversible (i.e Backtrackable) classes, used to simplify coding propagators.</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef OR_TOOLS_UTIL_REV_H_</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#define OR_TOOLS_UTIL_REV_H_</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "absl/container/flat_hash_map.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="base_2logging_8h.html">ortools/base/logging.h</a>"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="map__util_8h.html">ortools/base/map_util.h</a>"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="strong__vector_8h.html">ortools/base/strong_vector.h</a>"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span><a class="code" href="namespaceoperations__research.html">operations_research</a> {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Interface for reversible objects used to maintain them in sync with a tree</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// search organized by decision levels.</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_reversible_interface.html"> 29</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a> {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_reversible_interface.html#a4025c622ddd77f1c3d98a98ea33d3c0a"> 31</a></span>  <a class="code" href="classoperations__research_1_1_reversible_interface.html#a4025c622ddd77f1c3d98a98ea33d3c0a">ReversibleInterface</a>() {}</div>
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<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_reversible_interface.html#a2e9ef14236159fbfadf0076b078ab99b"> 32</a></span>  <span class="keyword">virtual</span> <a class="code" href="classoperations__research_1_1_reversible_interface.html#a2e9ef14236159fbfadf0076b078ab99b">~ReversibleInterface</a>() {}</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// Initially a reversible class starts at level zero. Increasing the level</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// saves the state of the current old level. Decreasing the level restores the</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="comment">// state to what it was at this level and all higher levels are forgotten.</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">// Everything done at level zero cannot be backtracked over.</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// The level is assumed to be non-negative.</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_reversible_interface.html#afa44d4d117123df4ce0208dacd28e914"> 40</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_reversible_interface.html#afa44d4d117123df4ce0208dacd28e914">SetLevel</a>(<span class="keywordtype">int</span> level) = 0;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> };</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// A repository that maintains a set of reversible objects of type T.</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// This is meant to be used for small types that are efficient to copy, like</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// all the basic types, std::pair and things like this.</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_repository.html"> 47</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_rev_repository.html">RevRepository</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a> {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_repository.html#a60447418ca6e1046dc8a1d2b23c5c581"> 49</a></span>  <a class="code" href="classoperations__research_1_1_rev_repository.html#a60447418ca6e1046dc8a1d2b23c5c581">RevRepository</a>() : stamp_(0) {}</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// This works in O(level_diff) on level increase.</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// For level decrease, it is in O(level_diff + num_restored_states).</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_repository.html#a176d2c659864433ccd869b5fba8d57af"> 53</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_repository.html#a176d2c659864433ccd869b5fba8d57af">SetLevel</a>(<span class="keywordtype">int</span> level) <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_repository.html#a03975efb034a073cfaeae01f6cf4c212"> 54</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_rev_repository.html#a03975efb034a073cfaeae01f6cf4c212">Level</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> end_of_level_.size(); }</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Saves the given object value for the current level. If this is called</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// multiple time by level, only the value of the first call matter. This is</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// NOT optimized for many calls by level and should mainly be used just once</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// for a given level. If a client cannot do that efficiently, it can use the</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// SaveStateWithStamp() function below.</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_repository.html#a32476d1fb09b1e06181ee07d30378b02"> 61</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_repository.html#a32476d1fb09b1e06181ee07d30378b02">SaveState</a>(T* <span class="keywordtype">object</span>) {</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (end_of_level_.empty()) <span class="keywordflow">return</span>; <span class="comment">// Not useful for level zero.</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  stack_.push_back({object, *<span class="keywordtype">object</span>});</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// Calls SaveState() if the given stamp is not the same as the current one.</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// This also sets the given stamp to the current one. The current stamp is</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// maintained by this class and is updated on each level changes. The whole</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// process make sure that only one SaveValue() par level will ever be called,</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// so it is efficient to call this before each update to the object T.</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_repository.html#aa209b1c22c5418c6aa9a105c8a59eefb"> 71</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_repository.html#aa209b1c22c5418c6aa9a105c8a59eefb">SaveStateWithStamp</a>(T* <span class="keywordtype">object</span>, <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a>* stamp) {</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span> (*stamp == stamp_) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  *stamp = stamp_;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classoperations__research_1_1_rev_repository.html#a32476d1fb09b1e06181ee07d30378b02">SaveState</a>(<span class="keywordtype">object</span>);</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a> stamp_;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  std::vector<int> end_of_level_; <span class="comment">// In stack_.</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// TODO(user): If we ever see this in any cpu profile, consider using two</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// vectors for a better memory packing in case sizeof(T) is not sizeof(T*).</span></div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  std::vector<std::pair<T*, T>> stack_;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> };</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// A basic reversible vector implementation.</span></div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="keyword">template</span> <<span class="keyword">class</span> IndexType, <span class="keyword">class</span> T></div>
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<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_vector.html"> 88</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_rev_vector.html">RevVector</a> : <span class="keyword">public</span> <a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a> {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_vector.html#ace0d46c12987bc1ad54e4596f89f0a86"> 90</a></span>  <span class="keyword">const</span> T& <a class="code" href="classoperations__research_1_1_rev_vector.html#ace0d46c12987bc1ad54e4596f89f0a86">operator[]</a>(IndexType <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> vector_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]; }</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// TODO(user): Maybe we could have also used the [] operator, but it is harder</span></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// to be 100% sure that the mutable version is only called when we modify</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// the vector. And I had performance bug because of that.</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_vector.html#a7b929dd334119ace421ff0836393a327"> 95</a></span>  T& <a class="code" href="classoperations__research_1_1_rev_vector.html#a7b929dd334119ace421ff0836393a327">MutableRef</a>(IndexType <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>) {</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// Save on the stack first.</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (!end_of_level_.empty()) stack_.push_back({<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>, vector_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>]});</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> vector_[<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>];</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
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<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_vector.html#af9593d4a5ff4274efaf429cb4f9e57cc"> 101</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_rev_vector.html#af9593d4a5ff4274efaf429cb4f9e57cc">size</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> vector_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>(); }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
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<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_vector.html#a4a8f59f246cb14d2b52dee3165185aee"> 103</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_vector.html#a4a8f59f246cb14d2b52dee3165185aee">Grow</a>(<span class="keywordtype">int</span> new_size) {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a>(new_size, vector_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>());</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  vector_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(new_size);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_vector.html#a5b35eda9cbed0426e4aa37f8f309a351"> 108</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_vector.html#a5b35eda9cbed0426e4aa37f8f309a351">GrowByOne</a>() { vector_.<a class="code" href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">resize</a>(vector_.<a class="code" href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">size</a>() + 1); }</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_vector.html#a03975efb034a073cfaeae01f6cf4c212"> 110</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_rev_vector.html#a03975efb034a073cfaeae01f6cf4c212">Level</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> end_of_level_.size(); }</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
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<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_vector.html#a176d2c659864433ccd869b5fba8d57af"> 112</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_vector.html#a176d2c659864433ccd869b5fba8d57af">SetLevel</a>(<span class="keywordtype">int</span> level) <span class="keyword">final</span> {</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(level, 0);</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (level == <a class="code" href="classoperations__research_1_1_rev_vector.html#a03975efb034a073cfaeae01f6cf4c212">Level</a>()) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (level < <a class="code" href="classoperations__research_1_1_rev_vector.html#a03975efb034a073cfaeae01f6cf4c212">Level</a>()) {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = end_of_level_[level];</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  end_of_level_.resize(level); <span class="comment">// Shrinks.</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = stack_.size() - 1; i >= <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>; --i) {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  vector_[stack_[i].first] = stack_[i].second;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  stack_.resize(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  end_of_level_.resize(level, stack_.size()); <span class="comment">// Grows.</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::vector<int> end_of_level_; <span class="comment">// In stack_.</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  std::vector<std::pair<IndexType, T>> stack_;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="classabsl_1_1_strong_vector.html">absl::StrongVector<IndexType, T></a> vector_;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> };</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
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<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_repository.html#a176d2c659864433ccd869b5fba8d57af"> 134</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_repository.html#a176d2c659864433ccd869b5fba8d57af">RevRepository<T>::SetLevel</a>(<span class="keywordtype">int</span> level) {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(level, 0);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (level == Level()) <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  ++<a class="code" href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a>;</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (level < Level()) {</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a> = end_of_level_[level];</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  end_of_level_.resize(level); <span class="comment">// Shrinks.</span></div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = stack_.size() - 1; i >= <a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>; --i) {</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  *stack_[i].first = stack_[i].second;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  stack_.resize(<a class="code" href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a>);</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  end_of_level_.resize(level, stack_.size()); <span class="comment">// Grows.</span></div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> }</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// Like a normal map but support backtrackable operations.</span></div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// This works on any class "Map" that supports: begin(), end(), find(), erase(),</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment">// insert(), key_type, value_type, mapped_type and const_iterator.</span></div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">template</span> <<span class="keyword">class</span> Map></div>
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<div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html"> 155</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_rev_map.html">RevMap</a> : <a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a> {</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7"> 157</a></span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Map::key_type <a class="code" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">key_type</a>;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#ad5293c7c0e198d9dba9870257c7914f8"> 158</a></span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Map::mapped_type <a class="code" href="classoperations__research_1_1_rev_map.html#ad5293c7c0e198d9dba9870257c7914f8">mapped_type</a>;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a129b5a1ecb196513cfa4e8106c4212f4"> 159</a></span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Map::value_type <a class="code" href="classoperations__research_1_1_rev_map.html#a129b5a1ecb196513cfa4e8106c4212f4">value_type</a>;</div>
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<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#af562045c22711f74e1481d461151ec57"> 160</a></span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Map::const_iterator <a class="code" href="classoperations__research_1_1_rev_map.html#af562045c22711f74e1481d461151ec57">const_iterator</a>;</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// Backtracking support: changes the current "level" (always non-negative).</span></div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// Initially the class starts at level zero. Increasing the level works in</span></div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// O(level diff) and saves the state of the current old level. Decreasing the</span></div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// level restores the state to what it was at this level and all higher levels</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// are forgotten. Everything done at level zero cannot be backtracked over.</span></div>
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<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a176d2c659864433ccd869b5fba8d57af"> 168</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_map.html#a176d2c659864433ccd869b5fba8d57af">SetLevel</a>(<span class="keywordtype">int</span> level) <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a03975efb034a073cfaeae01f6cf4c212"> 169</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_rev_map.html#a03975efb034a073cfaeae01f6cf4c212">Level</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> first_op_index_of_next_level_.size(); }</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  </div>
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<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#aa3a12f0a18f4c82ad04c0fa2d1505b77"> 171</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_rev_map.html#aa3a12f0a18f4c82ad04c0fa2d1505b77">ContainsKey</a>(<a class="code" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">key_type</a> key)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="namespacegtl.html#aae28e97bd1fa93cb0032642550da7455">gtl::ContainsKey</a>(map_, key); }</div>
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<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a4f5ea994c5a512b046b9b1291de364e6"> 172</a></span>  <span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_rev_map.html#ad5293c7c0e198d9dba9870257c7914f8">mapped_type</a>& <a class="code" href="classoperations__research_1_1_rev_map.html#a4f5ea994c5a512b046b9b1291de364e6">FindOrDie</a>(<a class="code" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">key_type</a> key)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> <a class="code" href="namespacegtl.html#abce27d097bc5680207b294bdad75f59f">gtl::FindOrDie</a>(map_, key);</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
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<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#ae03510adf26bbaaa62473766837d84cc"> 176</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_map.html#ae03510adf26bbaaa62473766837d84cc">EraseOrDie</a>(<a class="code" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">key_type</a> key);</div>
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<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a09fa0047cdf0426ecf46dc2354a1a128"> 177</a></span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_map.html#a09fa0047cdf0426ecf46dc2354a1a128">Set</a>(<a class="code" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">key_type</a> key, <a class="code" href="classoperations__research_1_1_rev_map.html#ad5293c7c0e198d9dba9870257c7914f8">mapped_type</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>); <span class="comment">// Adds or overwrites.</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// Wrapper to the underlying const map functions.</span></div>
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<div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#af9593d4a5ff4274efaf429cb4f9e57cc"> 180</a></span>  <span class="keywordtype">int</span> <a class="code" href="classoperations__research_1_1_rev_map.html#af9593d4a5ff4274efaf429cb4f9e57cc">size</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> map_.size(); }</div>
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<div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a644718bb2fb240de962dc3c9a1fdf0dc"> 181</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classoperations__research_1_1_rev_map.html#a644718bb2fb240de962dc3c9a1fdf0dc">empty</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> map_.empty(); }</div>
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<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a4d73e8579b9c740b88ff23282fde1966"> 182</a></span>  <a class="code" href="classoperations__research_1_1_rev_map.html#af562045c22711f74e1481d461151ec57">const_iterator</a> <a class="code" href="classoperations__research_1_1_rev_map.html#a4d73e8579b9c740b88ff23282fde1966">find</a>(<span class="keyword">const</span> <a class="code" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">key_type</a>& k)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> map_.find(k); }</div>
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<div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a29305669b60ca1680752e2fc3592ba99"> 183</a></span>  <a class="code" href="classoperations__research_1_1_rev_map.html#af562045c22711f74e1481d461151ec57">const_iterator</a> <a class="code" href="classoperations__research_1_1_rev_map.html#a29305669b60ca1680752e2fc3592ba99">begin</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> map_.begin(); }</div>
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<div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#accf9a4bd0c34d4a5f6a7dab66ea10cdc"> 184</a></span>  <a class="code" href="classoperations__research_1_1_rev_map.html#af562045c22711f74e1481d461151ec57">const_iterator</a> <a class="code" href="classoperations__research_1_1_rev_map.html#accf9a4bd0c34d4a5f6a7dab66ea10cdc">end</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> map_.end(); }</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  Map map_;</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// The operation that needs to be performed to reverse one modification:</span></div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// - If is_deletion is true, then we need to delete the entry with given key.</span></div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// - Otherwise we need to add back (or overwrite) the saved entry.</span></div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">struct </span>UndoOperation {</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordtype">bool</span> is_deletion;</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">key_type</a> key;</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="classoperations__research_1_1_rev_map.html#ad5293c7c0e198d9dba9870257c7914f8">mapped_type</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  };</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// TODO(user): We could merge the operations with the same key from the same</span></div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// level. Investigate and implement if this is worth the effort for our use</span></div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// case.</span></div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  std::vector<UndoOperation> operations_;</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  std::vector<int> first_op_index_of_next_level_;</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> };</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="keyword">template</span> <<span class="keyword">class</span> Map></div>
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<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a176d2c659864433ccd869b5fba8d57af"> 206</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_map.html#a176d2c659864433ccd869b5fba8d57af">RevMap<Map>::SetLevel</a>(<span class="keywordtype">int</span> level) {</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(level, 0);</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (level < Level()) {</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> backtrack_level = first_op_index_of_next_level_[level];</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  first_op_index_of_next_level_.resize(level); <span class="comment">// Shrinks.</span></div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">while</span> (operations_.size() > backtrack_level) {</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> UndoOperation& to_undo = operations_.back();</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> (to_undo.is_deletion) {</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  map_.erase(to_undo.key);</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  map_.insert({to_undo.key, to_undo.value}).first->second = to_undo.value;</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  operations_.pop_back();</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// This is ok even if level == Level().</span></div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  first_op_index_of_next_level_.resize(level, operations_.size()); <span class="comment">// Grows.</span></div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> }</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">template</span> <<span class="keyword">class</span> Map></div>
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<div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#ae03510adf26bbaaa62473766837d84cc"> 228</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_map.html#ae03510adf26bbaaa62473766837d84cc">RevMap<Map>::EraseOrDie</a>(<a class="code" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">key_type</a> key) {</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">const</span> <span class="keyword">auto</span> iter = map_.find(key);</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (iter == map_.end()) <a class="code" href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a>(<a class="code" href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a>) << <span class="stringliteral">"key not present: '"</span> << key << <span class="stringliteral">"'."</span>;</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (Level() > 0) {</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  operations_.push_back({<span class="keyword">false</span>, key, iter->second});</div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  map_.erase(iter);</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> }</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  </div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="keyword">template</span> <<span class="keyword">class</span> Map></div>
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<div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_map.html#a09fa0047cdf0426ecf46dc2354a1a128"> 238</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_map.html#a09fa0047cdf0426ecf46dc2354a1a128">RevMap<Map>::Set</a>(<a class="code" href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">key_type</a> key, <a class="code" href="classoperations__research_1_1_rev_map.html#ad5293c7c0e198d9dba9870257c7914f8">mapped_type</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">auto</span> insertion_result = map_.insert({key, <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>});</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (Level() > 0) {</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">if</span> (insertion_result.second) {</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// It is an insertion. Undo = delete.</span></div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  operations_.push_back({<span class="keyword">true</span>, key});</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">// It is a modification. Undo = change back to old value.</span></div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  operations_.push_back({<span class="keyword">false</span>, key, insertion_result.first->second});</div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  insertion_result.first->second = <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>;</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> }</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  </div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment">// A basic backtrackable multi map that can only grow (except on backtrack).</span></div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">template</span> <<span class="keyword">class</span> Key, <span class="keyword">class</span> Value></div>
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<div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_growing_multi_map.html"> 254</a></span> <span class="keyword">class </span><a class="code" href="classoperations__research_1_1_rev_growing_multi_map.html">RevGrowingMultiMap</a> : <a class="code" href="classoperations__research_1_1_reversible_interface.html">ReversibleInterface</a> {</div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_growing_multi_map.html#a176d2c659864433ccd869b5fba8d57af">SetLevel</a>(<span class="keywordtype">int</span> level) <span class="keyword">final</span>;</div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// Adds a new value at the given key.</span></div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_growing_multi_map.html#a84ec92c62069c7e7a9513750518a76ba">Add</a>(Key key, <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  </div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// Returns the list of values for a given key (can be empty).</span></div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">const</span> std::vector<Value>& <a class="code" href="classoperations__research_1_1_rev_growing_multi_map.html#a8af94651e29e70d72097d97e6845572f">Values</a>(Key key) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  </div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  std::vector<Value> empty_values_;</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">// TODO(user): use inlined vectors. Another datastructure that may be more</span></div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// efficient is to use a linked list inside added_keys_ for the values sharing</span></div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="comment">// the same key.</span></div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  absl::flat_hash_map<Key, std::vector<Value>> map_;</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// Backtracking data.</span></div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  std::vector<Key> added_keys_;</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  std::vector<int> first_added_key_of_next_level_;</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> };</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="keyword">template</span> <<span class="keyword">class</span> Key, <span class="keyword">class</span> Value></div>
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<div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_growing_multi_map.html#a176d2c659864433ccd869b5fba8d57af"> 278</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_growing_multi_map.html#a176d2c659864433ccd869b5fba8d57af">RevGrowingMultiMap<Key, Value>::SetLevel</a>(<span class="keywordtype">int</span> level) {</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a>(level, 0);</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> (level < first_added_key_of_next_level_.size()) {</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> backtrack_level = first_added_key_of_next_level_[level];</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  first_added_key_of_next_level_.resize(level); <span class="comment">// Shrinks.</span></div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">while</span> (added_keys_.size() > backtrack_level) {</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keyword">auto</span> it = map_.find(added_keys_.back());</div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> (it->second.size() > 1) {</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  it->second.pop_back();</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  map_.erase(it);</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  added_keys_.pop_back();</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  }</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
|
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// This is ok even if level == Level().</span></div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  first_added_key_of_next_level_.resize(level, added_keys_.size()); <span class="comment">// Grows.</span></div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> }</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  </div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">template</span> <<span class="keyword">class</span> Key, <span class="keyword">class</span> Value></div>
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<div class="line"><a name="l00300"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_growing_multi_map.html#a8af94651e29e70d72097d97e6845572f"> 300</a></span> <span class="keyword">const</span> std::vector<Value>& <a class="code" href="classoperations__research_1_1_rev_growing_multi_map.html#a8af94651e29e70d72097d97e6845572f">RevGrowingMultiMap<Key, Value>::Values</a>(</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  Key key)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">const</span> <span class="keyword">auto</span> it = map_.find(key);</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (it != map_.end()) <span class="keywordflow">return</span> it->second;</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">return</span> empty_values_;</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> }</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="keyword">template</span> <<span class="keyword">class</span> Key, <span class="keyword">class</span> Value></div>
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<div class="line"><a name="l00308"></a><span class="lineno"><a class="line" href="classoperations__research_1_1_rev_growing_multi_map.html#a84ec92c62069c7e7a9513750518a76ba"> 308</a></span> <span class="keywordtype">void</span> <a class="code" href="classoperations__research_1_1_rev_growing_multi_map.html#a84ec92c62069c7e7a9513750518a76ba">RevGrowingMultiMap<Key, Value>::Add</a>(Key key, <a class="code" href="namespaceoperations__research_1_1sat.html#a3f1a1b8a7a1a488e263a2e74f45d2a59">Value</a> <a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>) {</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">if</span> (!first_added_key_of_next_level_.empty()) {</div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  added_keys_.push_back(key);</div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  map_[key].push_back(<a class="code" href="demon__profiler_8cc.html#a21edc7ca4cc5802c8779d68556bc09cf">value</a>);</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> }</div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> } <span class="comment">// namespace operations_research</span></div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  </div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="preprocessor">#endif // OR_TOOLS_UTIL_REV_H_</span></div>
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- doc-content -->
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a794f027b601b96fb7dab7d9c32a848d7"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a794f027b601b96fb7dab7d9c32a848d7">operations_research::RevMap::key_type</a></div><div class="ttdeci">Map::key_type key_type</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00157">rev.h:157</a></div></div>
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<div class="ttc" id="amap__util_8h_html"><div class="ttname"><a href="map__util_8h.html">map_util.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_ad5293c7c0e198d9dba9870257c7914f8"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#ad5293c7c0e198d9dba9870257c7914f8">operations_research::RevMap::mapped_type</a></div><div class="ttdeci">Map::mapped_type mapped_type</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00158">rev.h:158</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae"><div class="ttname"><a href="base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae">LOG</a></div><div class="ttdeci">#define LOG(severity)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00420">base/logging.h:420</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_strong_vector_html_a60304b65bf89363bcc3165d3cde67f86"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a60304b65bf89363bcc3165d3cde67f86">absl::StrongVector::size</a></div><div class="ttdeci">size_type size() const</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00147">strong_vector.h:147</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_ae03510adf26bbaaa62473766837d84cc"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#ae03510adf26bbaaa62473766837d84cc">operations_research::RevMap::EraseOrDie</a></div><div class="ttdeci">void EraseOrDie(key_type key)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00228">rev.h:228</a></div></div>
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<div class="ttc" id="alog__severity_8h_html_acdd38e3c9f22f127d7776920e3079eda"><div class="ttname"><a href="log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda">FATAL</a></div><div class="ttdeci">const int FATAL</div><div class="ttdef"><b>Definition:</b> <a href="log__severity_8h_source.html#l00032">log_severity.h:32</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html_ace0d46c12987bc1ad54e4596f89f0a86"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html#ace0d46c12987bc1ad54e4596f89f0a86">operations_research::RevVector::operator[]</a></div><div class="ttdeci">const T & operator[](IndexType index) const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00090">rev.h:90</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_a7cc25402ecd7591b4c39934dd656b1f9"><div class="ttname"><a href="base_2logging_8h.html#a7cc25402ecd7591b4c39934dd656b1f9">CHECK_GE</a></div><div class="ttdeci">#define CHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00701">base/logging.h:701</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_accf9a4bd0c34d4a5f6a7dab66ea10cdc"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#accf9a4bd0c34d4a5f6a7dab66ea10cdc">operations_research::RevMap::end</a></div><div class="ttdeci">const_iterator end() const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00184">rev.h:184</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html"><div class="ttname"><a href="base_2logging_8h.html">logging.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html_a5b35eda9cbed0426e4aa37f8f309a351"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html#a5b35eda9cbed0426e4aa37f8f309a351">operations_research::RevVector::GrowByOne</a></div><div class="ttdeci">void GrowByOne()</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00108">rev.h:108</a></div></div>
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<div class="ttc" id="asearch_8cc_html_a1ab3854946bf086fbb0971cc82516104"><div class="ttname"><a href="search_8cc.html#a1ab3854946bf086fbb0971cc82516104">stamp_</a></div><div class="ttdeci">const int64 stamp_</div><div class="ttdef"><b>Definition:</b> <a href="search_8cc_source.html#l03039">search.cc:3039</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a129b5a1ecb196513cfa4e8106c4212f4"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a129b5a1ecb196513cfa4e8106c4212f4">operations_research::RevMap::value_type</a></div><div class="ttdeci">Map::value_type value_type</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00159">rev.h:159</a></div></div>
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<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>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html_a4a8f59f246cb14d2b52dee3165185aee"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html#a4a8f59f246cb14d2b52dee3165185aee">operations_research::RevVector::Grow</a></div><div class="ttdeci">void Grow(int new_size)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00103">rev.h:103</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_aa3a12f0a18f4c82ad04c0fa2d1505b77"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#aa3a12f0a18f4c82ad04c0fa2d1505b77">operations_research::RevMap::ContainsKey</a></div><div class="ttdeci">bool ContainsKey(key_type key) const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00171">rev.h:171</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_repository_html"><div class="ttname"><a href="classoperations__research_1_1_rev_repository.html">operations_research::RevRepository</a></div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00047">rev.h:47</a></div></div>
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<div class="ttc" id="anamespaceoperations__research_html"><div class="ttname"><a href="namespaceoperations__research.html">operations_research</a></div><div class="ttdoc">The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...</div><div class="ttdef"><b>Definition:</b> <a href="dense__doubly__linked__list_8h_source.html#l00021">dense_doubly_linked_list.h:21</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html_a7b929dd334119ace421ff0836393a327"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html#a7b929dd334119ace421ff0836393a327">operations_research::RevVector::MutableRef</a></div><div class="ttdeci">T & MutableRef(IndexType index)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00095">rev.h:95</a></div></div>
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<div class="ttc" id="aintegral__types_8h_html_a7cde0074dfd288f2d70c0e035dacb28a"><div class="ttname"><a href="integral__types_8h.html#a7cde0074dfd288f2d70c0e035dacb28a">int64</a></div><div class="ttdeci">int64_t int64</div><div class="ttdef"><b>Definition:</b> <a href="integral__types_8h_source.html#l00034">integral_types.h:34</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_repository_html_aa209b1c22c5418c6aa9a105c8a59eefb"><div class="ttname"><a href="classoperations__research_1_1_rev_repository.html#aa209b1c22c5418c6aa9a105c8a59eefb">operations_research::RevRepository::SaveStateWithStamp</a></div><div class="ttdeci">void SaveStateWithStamp(T *object, int64 *stamp)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00071">rev.h:71</a></div></div>
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<div class="ttc" id="apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0"><div class="ttname"><a href="pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0">index</a></div><div class="ttdeci">int index</div><div class="ttdef"><b>Definition:</b> <a href="pack_8cc_source.html#l00508">pack.cc:508</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html_af9593d4a5ff4274efaf429cb4f9e57cc"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html#af9593d4a5ff4274efaf429cb4f9e57cc">operations_research::RevVector::size</a></div><div class="ttdeci">int size() const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00101">rev.h:101</a></div></div>
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<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 & FindOrDie(const Collection &collection, const typename Collection::value_type::first_type &key)</div><div class="ttdef"><b>Definition:</b> <a href="map__util_8h_source.html#l00176">map_util.h:176</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_reversible_interface_html_a4025c622ddd77f1c3d98a98ea33d3c0a"><div class="ttname"><a href="classoperations__research_1_1_reversible_interface.html#a4025c622ddd77f1c3d98a98ea33d3c0a">operations_research::ReversibleInterface::ReversibleInterface</a></div><div class="ttdeci">ReversibleInterface()</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00031">rev.h:31</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_repository_html_a176d2c659864433ccd869b5fba8d57af"><div class="ttname"><a href="classoperations__research_1_1_rev_repository.html#a176d2c659864433ccd869b5fba8d57af">operations_research::RevRepository::SetLevel</a></div><div class="ttdeci">void SetLevel(int level) final</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00134">rev.h:134</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_repository_html_a60447418ca6e1046dc8a1d2b23c5c581"><div class="ttname"><a href="classoperations__research_1_1_rev_repository.html#a60447418ca6e1046dc8a1d2b23c5c581">operations_research::RevRepository::RevRepository</a></div><div class="ttdeci">RevRepository()</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00049">rev.h:49</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_reversible_interface_html_a2e9ef14236159fbfadf0076b078ab99b"><div class="ttname"><a href="classoperations__research_1_1_reversible_interface.html#a2e9ef14236159fbfadf0076b078ab99b">operations_research::ReversibleInterface::~ReversibleInterface</a></div><div class="ttdeci">virtual ~ReversibleInterface()</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00032">rev.h:32</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_af9593d4a5ff4274efaf429cb4f9e57cc"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#af9593d4a5ff4274efaf429cb4f9e57cc">operations_research::RevMap::size</a></div><div class="ttdeci">int size() const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00180">rev.h:180</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a644718bb2fb240de962dc3c9a1fdf0dc"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a644718bb2fb240de962dc3c9a1fdf0dc">operations_research::RevMap::empty</a></div><div class="ttdeci">bool empty() const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00181">rev.h:181</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a29305669b60ca1680752e2fc3592ba99"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a29305669b60ca1680752e2fc3592ba99">operations_research::RevMap::begin</a></div><div class="ttdeci">const_iterator begin() const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00183">rev.h:183</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a4f5ea994c5a512b046b9b1291de364e6"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a4f5ea994c5a512b046b9b1291de364e6">operations_research::RevMap::FindOrDie</a></div><div class="ttdeci">const mapped_type & FindOrDie(key_type key) const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00172">rev.h:172</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_growing_multi_map_html_a176d2c659864433ccd869b5fba8d57af"><div class="ttname"><a href="classoperations__research_1_1_rev_growing_multi_map.html#a176d2c659864433ccd869b5fba8d57af">operations_research::RevGrowingMultiMap::SetLevel</a></div><div class="ttdeci">void SetLevel(int level) final</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00278">rev.h:278</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_repository_html_a03975efb034a073cfaeae01f6cf4c212"><div class="ttname"><a href="classoperations__research_1_1_rev_repository.html#a03975efb034a073cfaeae01f6cf4c212">operations_research::RevRepository::Level</a></div><div class="ttdeci">int Level() const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00054">rev.h:54</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html">operations_research::RevMap</a></div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00155">rev.h:155</a></div></div>
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<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< int64(const Model &)> Value(IntegerVariable v)</div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l01480">integer.h:1480</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html">operations_research::RevVector</a></div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00088">rev.h:88</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_growing_multi_map_html"><div class="ttname"><a href="classoperations__research_1_1_rev_growing_multi_map.html">operations_research::RevGrowingMultiMap</a></div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00254">rev.h:254</a></div></div>
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<div class="ttc" id="abase_2logging_8h_html_aae2dc65d9ea248d54bf39daa986dd295"><div class="ttname"><a href="base_2logging_8h.html#aae2dc65d9ea248d54bf39daa986dd295">DCHECK_GE</a></div><div class="ttdeci">#define DCHECK_GE(val1, val2)</div><div class="ttdef"><b>Definition:</b> <a href="base_2logging_8h_source.html#l00889">base/logging.h:889</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_strong_vector_html"><div class="ttname"><a href="classabsl_1_1_strong_vector.html">absl::StrongVector< IndexType, T ></a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_reversible_interface_html"><div class="ttname"><a href="classoperations__research_1_1_reversible_interface.html">operations_research::ReversibleInterface</a></div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00029">rev.h:29</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html_a176d2c659864433ccd869b5fba8d57af"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html#a176d2c659864433ccd869b5fba8d57af">operations_research::RevVector::SetLevel</a></div><div class="ttdeci">void SetLevel(int level) final</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00112">rev.h:112</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_growing_multi_map_html_a8af94651e29e70d72097d97e6845572f"><div class="ttname"><a href="classoperations__research_1_1_rev_growing_multi_map.html#a8af94651e29e70d72097d97e6845572f">operations_research::RevGrowingMultiMap::Values</a></div><div class="ttdeci">const std::vector< Value > & Values(Key key) const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00300">rev.h:300</a></div></div>
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<div class="ttc" id="aclassabsl_1_1_strong_vector_html_a4e3670a285a3642eaa07f66766cffa72"><div class="ttname"><a href="classabsl_1_1_strong_vector.html#a4e3670a285a3642eaa07f66766cffa72">absl::StrongVector::resize</a></div><div class="ttdeci">void resize(size_type new_size)</div><div class="ttdef"><b>Definition:</b> <a href="strong__vector_8h_source.html#l00150">strong_vector.h:150</a></div></div>
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<div class="ttc" id="astrong__vector_8h_html"><div class="ttname"><a href="strong__vector_8h.html">strong_vector.h</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a176d2c659864433ccd869b5fba8d57af"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a176d2c659864433ccd869b5fba8d57af">operations_research::RevMap::SetLevel</a></div><div class="ttdeci">void SetLevel(int level) final</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00206">rev.h:206</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_af562045c22711f74e1481d461151ec57"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#af562045c22711f74e1481d461151ec57">operations_research::RevMap::const_iterator</a></div><div class="ttdeci">Map::const_iterator const_iterator</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00160">rev.h:160</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a4d73e8579b9c740b88ff23282fde1966"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a4d73e8579b9c740b88ff23282fde1966">operations_research::RevMap::find</a></div><div class="ttdeci">const_iterator find(const key_type &k) const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00182">rev.h:182</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_repository_html_a32476d1fb09b1e06181ee07d30378b02"><div class="ttname"><a href="classoperations__research_1_1_rev_repository.html#a32476d1fb09b1e06181ee07d30378b02">operations_research::RevRepository::SaveState</a></div><div class="ttdeci">void SaveState(T *object)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00061">rev.h:61</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_growing_multi_map_html_a84ec92c62069c7e7a9513750518a76ba"><div class="ttname"><a href="classoperations__research_1_1_rev_growing_multi_map.html#a84ec92c62069c7e7a9513750518a76ba">operations_research::RevGrowingMultiMap::Add</a></div><div class="ttdeci">void Add(Key key, Value value)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00308">rev.h:308</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a09fa0047cdf0426ecf46dc2354a1a128"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a09fa0047cdf0426ecf46dc2354a1a128">operations_research::RevMap::Set</a></div><div class="ttdeci">void Set(key_type key, mapped_type value)</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00238">rev.h:238</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_map_html_a03975efb034a073cfaeae01f6cf4c212"><div class="ttname"><a href="classoperations__research_1_1_rev_map.html#a03975efb034a073cfaeae01f6cf4c212">operations_research::RevMap::Level</a></div><div class="ttdeci">int Level() const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00169">rev.h:169</a></div></div>
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<div class="ttc" id="aclassoperations__research_1_1_reversible_interface_html_afa44d4d117123df4ce0208dacd28e914"><div class="ttname"><a href="classoperations__research_1_1_reversible_interface.html#afa44d4d117123df4ce0208dacd28e914">operations_research::ReversibleInterface::SetLevel</a></div><div class="ttdeci">virtual void SetLevel(int level)=0</div></div>
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<div class="ttc" id="aclassoperations__research_1_1_rev_vector_html_a03975efb034a073cfaeae01f6cf4c212"><div class="ttname"><a href="classoperations__research_1_1_rev_vector.html#a03975efb034a073cfaeae01f6cf4c212">operations_research::RevVector::Level</a></div><div class="ttdeci">int Level() const</div><div class="ttdef"><b>Definition:</b> <a href="rev_8h_source.html#l00110">rev.h:110</a></div></div>
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<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 &collection, const Key &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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