<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>libstdc++: branch_policy.hpp Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libstdc++ </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('a01067_source.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">branch_policy.hpp</div> </div> </div><!--header--> <div class="contents"> <a href="a01067.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) 2005-2013 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 branch_policy/branch_policy.hpp</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * Contains a base class for branch policies.</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_BRANCH_POLICY_BASE_HPP</span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span><span class="preprocessor">#define PB_DS_BRANCH_POLICY_BASE_HPP</span></div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <<a class="code" href="a01582.html">ext/pb_ds/tag_and_trait.hpp</a>></span></div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span>__gnu_pbds</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">namespace </span>detail</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {<span class="comment"></span></div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> /// Primary template, base class for branch structure policies.</span></div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> Node_CItr, <span class="keyword">typename</span> Node_Itr, <span class="keyword">typename</span> _Alloc></div> <div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="a00224.html"> 52</a></span>  <span class="keyword">struct </span><a class="code" href="a00224.html">branch_policy</a></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  {</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">protected</span>:</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Node_Itr::value_type it_type;</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits<it_type>::value_type value_type;</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> value_type::first_type key_type;</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> remove_const<value_type>::type rcvalue_type;</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> remove_const<key_type>::type rckey_type;</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Alloc::template rebind<rcvalue_type>::other rebind_v;</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Alloc::template rebind<rckey_type>::other rebind_k;</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> rebind_v::reference reference;</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> rebind_v::const_reference const_reference;</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> rebind_v::const_pointer const_pointer;</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> rebind_k::const_reference key_const_reference;</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">static</span> <span class="keyword">inline</span> key_const_reference</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  extract_key(const_reference r_val)</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  { <span class="keywordflow">return</span> r_val.first; }</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">virtual</span> it_type</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  end() = 0;</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  it_type</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  end_iterator()<span class="keyword"> const</span></div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> <span class="keyword">const_cast<</span><a class="code" href="a00224.html">branch_policy</a>*<span class="keyword">></span>(<span class="keyword">this</span>)->end(); }</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">virtual</span></div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  ~<a class="code" href="a00224.html">branch_policy</a>() { }</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  };</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"></span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> /// Specialization for const iterators.</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span> <span class="keyword">template</span><<span class="keyword">typename</span> Node_CItr, <span class="keyword">typename</span> _Alloc></div> <div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="a00225.html"> 88</a></span>  <span class="keyword">struct </span><a class="code" href="a00224.html">branch_policy</a><Node_CItr, Node_CItr, _Alloc></div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">protected</span>:</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> Node_CItr::value_type it_type;</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> std::iterator_traits<it_type>::value_type value_type;</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> remove_const<value_type>::type rcvalue_type;</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> _Alloc::template rebind<rcvalue_type>::other rebind_v;</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> rebind_v::reference reference;</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> rebind_v::const_reference const_reference;</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> rebind_v::const_pointer const_pointer;</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">typedef</span> value_type key_type;</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> rebind_v::const_reference key_const_reference;</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">static</span> <span class="keyword">inline</span> key_const_reference</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  extract_key(const_reference r_val)</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  { <span class="keywordflow">return</span> r_val; }</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">virtual</span> it_type</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  end() <span class="keyword">const</span> = 0;</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  it_type</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  end_iterator()<span class="keyword"> const</span></div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword"> </span>{ <span class="keywordflow">return</span> end(); }</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">virtual</span></div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  ~<a class="code" href="a00224.html">branch_policy</a>() { }</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  };</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  } <span class="comment">// namespace detail</span></div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> } <span class="comment">// namespace __gnu_pbds</span></div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#endif // #ifndef PB_DS_BRANCH_POLICY_BASE_HPP</span></div> <div class="ttc" id="a00224_html"><div class="ttname"><a href="a00224.html">__gnu_pbds::detail::branch_policy</a></div><div class="ttdoc">Primary template, base class for branch structure policies. </div><div class="ttdef"><b>Definition:</b> <a href="a01067_source.html#l00052">branch_policy.hpp:52</a></div></div> <div class="ttc" id="a01582_html"><div class="ttname"><a href="a01582.html">tag_and_trait.hpp</a></div></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_db0ecf5ff2f2b0f79bbdc6312473b0df.html">include</a></li><li class="navelem"><a class="el" href="dir_d56c3d762d0387077a874c33c805d5f2.html">ext</a></li><li class="navelem"><a class="el" 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