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<div class="title">trie_policy/node_metadata_selector.hpp</div> </div>
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<a href="a16998.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">// -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2005-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the terms</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// of the GNU General Public License as published by the Free Software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Foundation; either version 3, or (at your option) any later</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful, but</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Permission to use, copy, modify, sell, and distribute this software</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// is hereby granted without fee, provided that the above copyright</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// notice appears in all copies, and that both that copyright notice</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// and this permission notice appear in supporting documentation. None</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// of the above authors, nor IBM Haifa Research Laboratories, make any</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// representation about the suitability of this software for any</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// purpose. It is provided "as is" without express or implied</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// warranty.</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">/**</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * @file trie_policy/node_metadata_selector.hpp</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * Contains an implementation class for tries.</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> */</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#ifndef PB_DS_TRIE_NODE_METADATA_DISPATCH_HPP</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#define PB_DS_TRIE_NODE_METADATA_DISPATCH_HPP</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <<a class="code" href="a01229.html">ext/pb_ds/detail/branch_policy/null_node_metadata.hpp</a>></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <<a class="code" href="a01151.html">ext/pb_ds/detail/types_traits.hpp</a>></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">namespace </span><a class="code" href="a01590.html">__gnu_pbds</a></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">namespace </span>detail</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {<span class="comment"></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> /**</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @addtogroup traits Traits</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * @{</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> */</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"></span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> /// Trie metadata helper.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> Node_Update, <span class="keywordtype">bool</span> _BTp></div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="a11984.html"> 58</a></span>  <span class="keyword">struct </span><a class="code" href="a11984.html">trie_metadata_helper</a>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"></span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> /// Specialization, false.</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> Node_Update></div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="a11988.html"> 62</a></span>  <span class="keyword">struct </span><a class="code" href="a11984.html">trie_metadata_helper</a><Node_Update, false></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Node_Update::metadata_type type;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  };</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"></span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> /// Specialization, true.</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> Node_Update></div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="a11992.html"> 69</a></span>  <span class="keyword">struct </span><a class="code" href="a11984.html">trie_metadata_helper</a><Node_Update, true></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">typedef</span> <a class="code" href="a11212.html">null_type</a> <a class="code" href="a11212.html">type</a>;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  };</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"></span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> /// Trie node metadata dispatch.</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> Key,</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">typename</span> Data,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">typename</span> Cmp_Fn,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Node_CItr,</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">typename</span> Const_Iterator,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">typename</span> Cmp_Fn_,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">typename</span> _Alloc_></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">class </span>Node_Update,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  typename _Alloc></div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="a11996.html"> 84</a></span>  struct <a class="code" href="a11996.html">trie_node_metadata_dispatch</a></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">typedef</span> <a class="code" href="a11580.html">dumnode_const_iterator<Key, Data, _Alloc></a> <a class="code" href="a11580.html">__it_type</a>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">typedef</span> Node_Update<__it_type, __it_type, Cmp_Fn, _Alloc> __node_u;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">typedef</span> <a class="code" href="a11216.html">null_node_update<__it_type, __it_type, Cmp_Fn, _Alloc></a> <a class="code" href="a11216.html">__nnode_u</a>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">enum</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  null_update = is_same<__node_u, __nnode_u>::value</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  };</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a11984.html">trie_metadata_helper<__node_u, null_update>::type</a> type;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  };<span class="comment"></span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> //@}</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"></span> } <span class="comment">// namespace detail</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> } <span class="comment">// namespace __gnu_pbds</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#endif // #ifndef PB_DS_TRIE_NODE_METADATA_DISPATCH_HPP</span></div><div class="ttc" id="a11996_html"><div class="ttname"><a href="a11996.html">__gnu_pbds::detail::trie_node_metadata_dispatch</a></div><div class="ttdoc">Trie node metadata dispatch.</div><div class="ttdef"><b>Definition:</b> <a href="a16998_source.html#l00084">trie_policy/node_metadata_selector.hpp:84</a></div></div>
<div class="ttc" id="a01151_html"><div class="ttname"><a href="a01151.html">types_traits.hpp</a></div></div>
<div class="ttc" id="a11984_html"><div class="ttname"><a href="a11984.html">__gnu_pbds::detail::trie_metadata_helper</a></div><div class="ttdoc">Trie metadata helper.</div><div class="ttdef"><b>Definition:</b> <a href="a16998_source.html#l00058">trie_policy/node_metadata_selector.hpp:58</a></div></div>
<div class="ttc" id="a11212_html"><div class="ttname"><a href="a11212.html">__gnu_pbds::null_type</a></div><div class="ttdoc">Represents no type, or absence of type, for template tricks.</div><div class="ttdef"><b>Definition:</b> <a href="a01121_source.html#l00210">tag_and_trait.hpp:210</a></div></div>
<div class="ttc" id="a01590_html"><div class="ttname"><a href="a01590.html">__gnu_pbds</a></div><div class="ttdoc">GNU extensions for policy-based data structures for public use.</div><div class="ttdef"><b>Definition:</b> <a href="a01106_source.html#l00051">assoc_container.hpp:51</a></div></div>
<div class="ttc" id="a11216_html"><div class="ttname"><a href="a11216.html">__gnu_pbds::null_node_update</a></div><div class="ttdoc">A null node updator, indicating that no node updates are required.</div><div class="ttdef"><b>Definition:</b> <a href="a01121_source.html#l00214">tag_and_trait.hpp:214</a></div></div>
<div class="ttc" id="a11580_html"><div class="ttname"><a href="a11580.html">__gnu_pbds::detail::dumnode_const_iterator</a></div><div class="ttdoc">Constant node iterator.</div><div class="ttdef"><b>Definition:</b> <a href="a01229_source.html#l00052">null_node_metadata.hpp:52</a></div></div>
<div class="ttc" id="a01229_html"><div class="ttname"><a href="a01229.html">null_node_metadata.hpp</a></div></div>
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