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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// vi:set ft=cpp: -*- Mode: C++ -*-</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * (c) 2011 Alexander Warg &lt;warg@os.inf.tu-dresden.de&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * economic rights: Technische Universität Dresden (Germany)</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> *</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> */</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacecxx.html">cxx</a> {</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="keyword">class </span>D_list_item</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span>{</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">constexpr</span> D_list_item() : _dli_next(nullptr), _dli_prev(nullptr) {}</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> D_list_item(D_list_item <span class="keyword">const</span> &amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <span class="keywordtype">void</span> operator = (D_list_item <span class="keyword">const</span> &amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">friend</span> <span class="keyword">struct </span>D_list_item_policy;</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> D_list_item *_dli_next, *_dli_prev;</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span>};</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="keyword">struct </span>D_list_item_policy</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span>{</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">typedef</span> D_list_item Item;</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">static</span> D_list_item *&amp;prev(D_list_item *e) { <span class="keywordflow">return</span> e-&gt;_dli_prev; }</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">static</span> D_list_item *&amp;next(D_list_item *e) { <span class="keywordflow">return</span> e-&gt;_dli_next; }</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">static</span> D_list_item *prev(D_list_item <span class="keyword">const</span> *e) { <span class="keywordflow">return</span> e-&gt;_dli_prev; }</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">static</span> D_list_item *next(D_list_item <span class="keyword">const</span> *e) { <span class="keywordflow">return</span> e-&gt;_dli_next; }</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>};</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keyword">template</span>&lt; <span class="keyword">typename</span> T &gt;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">struct </span>Sd_list_head_policy</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">typedef</span> T *Head_type;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">static</span> T *head(Head_type h) { <span class="keywordflow">return</span> h; }</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">static</span> <span class="keywordtype">void</span> set_head(Head_type &amp;h, T *v) { h = v; }</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>};</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="keyword">template</span>&lt;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">typename</span> T,</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">typename</span> C = D_list_item_policy</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>&gt;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keyword">class </span>D_list_cyclic</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>{</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">template</span>&lt; <span class="keyword">typename</span> VALUE, <span class="keyword">typename</span> ITEM &gt;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">class </span>__Iterator</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> {</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">typedef</span> VALUE *Value_type;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">typedef</span> VALUE *value_type;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> __Iterator() {}</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">bool</span> operator == (__Iterator <span class="keyword">const</span> &amp;o)<span class="keyword"> const</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> _c == o._c; }</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">bool</span> operator != (__Iterator <span class="keyword">const</span> &amp;o)<span class="keyword"> const</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> _c != o._c; }</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> __Iterator &amp;operator ++ ()</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> _c = C::next(_c);</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> __Iterator &amp;operator -- ()</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> {</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> _c = C::prev(_c);</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> }</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> Value_type operator * ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>Value_type<span class="keyword">&gt;</span>(_c); }</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> Value_type operator -&gt; ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>Value_type<span class="keyword">&gt;</span>(_c); }</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">friend</span> <span class="keyword">class </span>D_list_cyclic;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">explicit</span> __Iterator(ITEM *s) : _c(s) {}</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> ITEM *_c;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> };</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">typedef</span> T *Value_type;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">typedef</span> T *value_type;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">typedef</span> __Iterator&lt;T, typename C::Item&gt; Iterator;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">typedef</span> Iterator Const_iterator;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">static</span> <span class="keywordtype">void</span> remove(T *e)</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> {</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> C::next(C::prev(e)) = C::next(e);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> C::prev(C::next(e)) = C::prev(e);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> C::next(e) = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> }</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">static</span> Iterator erase(Iterator <span class="keyword">const</span> &amp;e)</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> {</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">typename</span> C::Item *n = C::next(*e);</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> remove(*e);</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> __iter(n);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> }</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">static</span> Iterator iter(T <span class="keyword">const</span> *e) { <span class="keywordflow">return</span> Iterator(<span class="keyword">const_cast&lt;</span>T*<span class="keyword">&gt;</span>(e)); }</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> in_list(T <span class="keyword">const</span> *e) { <span class="keywordflow">return</span> C::next(<span class="keyword">const_cast&lt;</span>T*<span class="keyword">&gt;</span>(e)); }</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> has_sibling(T <span class="keyword">const</span> *e) { <span class="keywordflow">return</span> C::next(<span class="keyword">const_cast&lt;</span>T*<span class="keyword">&gt;</span>(e)) != e; }</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">static</span> Iterator insert_after(T *e, Iterator <span class="keyword">const</span> &amp;pos)</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> {</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> C::prev(e) = pos._c;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> C::next(e) = C::next(pos._c);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> C::prev(C::next(pos._c)) = e;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> C::next(pos._c) = e;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">return</span> pos;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">static</span> Iterator insert_before(T *e, Iterator <span class="keyword">const</span> &amp;pos)</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> {</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> C::next(e) = pos._c;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> C::prev(e) = C::prev(pos._c);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> C::next(C::prev(pos._c)) = e;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> C::prev(pos._c) = e;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">return</span> pos;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> }</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">static</span> <span class="keywordtype">void</span> self_insert(<span class="keyword">typename</span> C::Item *e)</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> { C::next(e) = C::prev(e) = e; }</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">static</span> <span class="keywordtype">void</span> remove_last(T *e)</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> { C::next(e) = <span class="keyword">nullptr</span>; }</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">static</span> <span class="keywordtype">void</span> splice_heads(Const_iterator pos, <span class="keyword">typename</span> C::Item *other_list)</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> {</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">typename</span> C::Item *ins_next = pos._c;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keyword">typename</span> C::Item *ins_prev = C::prev(pos._c);</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">typename</span> C::Item *other_head = C::next(other_list);</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">typename</span> C::Item *other_tail = C::prev(other_list);</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> C::next(ins_prev) = other_head;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> C::prev(other_head) = ins_prev;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> C::prev(ins_next) = other_tail;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> C::next(other_tail) = ins_next;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> }</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">static</span> Iterator __iter(<span class="keyword">typename</span> C::Item *e) { <span class="keywordflow">return</span> Iterator(e); }</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span>};</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="keyword">template</span>&lt;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">typename</span> T,</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">typename</span> C = D_list_item_policy,</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">typename</span> H = Sd_list_head_policy&lt;T&gt;,</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordtype">bool</span> BSS = <span class="keyword">false</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span>&gt;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span><span class="keyword">class </span>Sd_list : <span class="keyword">public</span> D_list_cyclic&lt;T, C&gt;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span>{</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">typedef</span> D_list_cyclic&lt;T, C&gt; Base;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keyword">class </span>Iterator : <span class="keyword">public</span> Base::Iterator</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> {</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> Iterator &amp;operator ++ ()</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> {</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">if</span> (this-&gt;_c)</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> Base::Iterator::operator ++ ();</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keywordflow">if</span> (this-&gt;_c == _h)</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> this-&gt;_c = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> }</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> Iterator &amp;operator -- () = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">friend</span> <span class="keyword">class </span>Sd_list;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">explicit</span> Iterator(T *h) : Base::Iterator(h), _h(h) {}</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">typename</span> C::Item *_h;</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> };</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keyword">class </span>R_iterator : <span class="keyword">public</span> Base::Iterator</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> {</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> R_iterator &amp;operator ++ ()</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> {</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">if</span> (this-&gt;_c)</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> Base::Iterator::operator -- ();</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordflow">if</span> (this-&gt;_c == _h)</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> this-&gt;_c = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> }</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> R_iterator &amp;operator -- () = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">friend</span> <span class="keyword">class </span>Sd_list;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keyword">explicit</span> R_iterator(T *h) : Base::Iterator(h), _h(h) {}</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keyword">typename</span> C::Item *_h;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> };</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">//typedef typename Base::Iterator Iterator;</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">enum</span> Pos</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> { Back, Front };</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> Sd_list()</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> {</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keywordflow">if</span> (!BSS)</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> H::set_head(_f, <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> }</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> </div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordtype">bool</span> empty()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !H::head(_f); }</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> T *front()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> H::head(_f); }</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordtype">void</span> remove(T *e)</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> {</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> T *h = H::head(_f);</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keywordflow">if</span> (e == C::next(e)) <span class="comment">// must be the last</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> {</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> Base::remove_last(e);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> H::set_head(_f, <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> }</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordflow">if</span> (e == H::head(_f))</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> H::set_head(_f, <span class="keyword">static_cast&lt;</span>T*<span class="keyword">&gt;</span>(C::next(h)));</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> Base::remove(e);</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> }</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> Iterator erase(Iterator <span class="keyword">const</span> &amp;e)</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> {</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> Iterator next = e;</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> ++next;</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> </div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> remove(*e);</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">return</span> next;</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> }</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordtype">void</span> push(T *e, Pos pos)</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> {</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> T *h = H::head(_f);</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="keywordflow">if</span> (!h)</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> {</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> Base::self_insert(e);</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> H::set_head(_f, e);</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> }</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> {</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> Base::insert_before(e, this-&gt;iter(h));</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">if</span> (pos == Front)</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> H::set_head(_f, e);</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> }</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> }</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordtype">void</span> push_back(T *e) { push(e, Back); }</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordtype">void</span> push_front(T *e) { push(e, Front); }</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordtype">void</span> rotate_to(T *h) { H::set_head(_f, h); }</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> </div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="keyword">typename</span> H::Head_type <span class="keyword">const</span> &amp;head()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _f; }</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keyword">typename</span> H::Head_type &amp;head() { <span class="keywordflow">return</span> _f; }</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> </div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> Iterator begin() { <span class="keywordflow">return</span> Iterator(H::head(_f)); }</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> Iterator end() { <span class="keywordflow">return</span> Iterator(<span class="keyword">nullptr</span>); }</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> R_iterator rbegin()</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> {</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keywordflow">if</span> (head())</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">return</span> R_iterator(<span class="keyword">static_cast&lt;</span>T*<span class="keyword">&gt;</span>(C::prev(H::head(_f))));</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> <span class="keywordflow">return</span> R_iterator(<span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> }</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> R_iterator rend() { <span class="keywordflow">return</span> R_iterator(<span class="keyword">nullptr</span>); }</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> Sd_list(Sd_list <span class="keyword">const</span> &amp;);</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordtype">void</span> operator = (Sd_list <span class="keyword">const</span> &amp;);</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="keyword">typename</span> H::Head_type _f;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span>};</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span><span class="keyword">template</span>&lt;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">typename</span> T,</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keyword">typename</span> C = D_list_item_policy,</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordtype">bool</span> BSS = <span class="keyword">false</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span>&gt;</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span><span class="keyword">class </span>D_list : <span class="keyword">public</span> D_list_cyclic&lt;T, C&gt;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span>{</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keyword">typedef</span> D_list_cyclic&lt;T, C&gt; Base;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keyword">typedef</span> <span class="keyword">typename</span> C::Item Internal_type;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> </div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="keyword">enum</span> Pos</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> { Back, Front };</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keyword">typedef</span> <span class="keyword">typename</span> Base::Iterator Iterator;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keyword">typedef</span> <span class="keyword">typename</span> Base::Const_iterator Const_iterator;</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keyword">typedef</span> T* value_type;</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keyword">typedef</span> T* Value_type;</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> </div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> D_list() { this-&gt;self_insert(&amp;_h); }</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> ~D_list() { clear(); }</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> </div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> D_list(D_list &amp;&amp;o)</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> {</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordflow">if</span> (o.empty())</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> {</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> this-&gt;self_insert(&amp;_h);</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> }</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> {</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> Internal_type *p = C::prev(&amp;o._h);</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> Internal_type *n = C::next(&amp;o._h);</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> C::prev(&amp;_h) = p;</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> C::next(&amp;_h) = n;</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> C::next(p) = &amp;_h;</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> C::prev(n) = &amp;_h;</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> o.self_insert(&amp;o._h);</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> }</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> </div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> D_list &amp;operator=(D_list &amp;&amp;o)</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> {</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keywordflow">if</span> (&amp;o == <span class="keyword">this</span>)</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> </div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> clear();</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> </div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keywordflow">if</span> (!o.empty())</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> {</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> Internal_type *p = C::prev(&amp;o._h);</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> Internal_type *n = C::next(&amp;o._h);</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> C::prev(&amp;_h) = p;</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> C::next(&amp;_h) = n;</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> C::next(p) = &amp;_h;</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> C::prev(n) = &amp;_h;</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> o.self_insert(&amp;o._h);</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> }</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> }</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> </div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> D_list(D_list <span class="keyword">const</span> &amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="keywordtype">void</span> operator = (D_list <span class="keyword">const</span> &amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> </div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="keywordtype">void</span> splice(Const_iterator pos, D_list &amp;&amp;other)</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> {</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordflow">if</span> (other.empty())</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> </div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> Base::splice_heads(pos, &amp;other._h);</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> other.self_insert(&amp;other._h);</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> }</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> </div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keywordtype">bool</span> empty()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> C::next(&amp;_h) == &amp;_h; }</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> </div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keyword">static</span> <span class="keywordtype">void</span> remove(T *e) { Base::remove(e); }</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> Iterator erase(Iterator <span class="keyword">const</span> &amp;e) { <span class="keywordflow">return</span> Base::erase(e); }</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> </div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="keywordtype">void</span> clear()</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> {</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="comment">// Just clear the _dli_next pointers of all elements. It is the indicator</span></div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="comment">// that an element is not on a list.</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> Internal_type *i = C::next(&amp;_h);</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keywordflow">while</span> (i != &amp;_h)</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> {</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> Internal_type *d = i;</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> i = C::next(i);</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> C::next(d) = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> }</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> </div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> this-&gt;self_insert(&amp;_h);</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> }</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> </div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keywordtype">void</span> push(T *e, Pos pos)</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> {</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> <span class="keywordflow">if</span> (pos == Front)</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> Base::insert_after(e, end());</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> Base::insert_before(e, end());</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> }</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> </div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="keywordtype">void</span> push_back(T *e) { push(e, Back); }</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="keywordtype">void</span> push_front(T *e) { push(e, Front); }</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span></div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> T *pop_back()</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> {</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> T *ret = *(end()--);</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> remove(ret);</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> }</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span></div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> T *pop_front()</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> {</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> T *ret = *begin();</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> remove(ret);</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> }</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> </div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> Iterator begin()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this-&gt;__iter(C::next(<span class="keyword">const_cast&lt;</span>Internal_type *<span class="keyword">&gt;</span>(&amp;_h))); }</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> Iterator end()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this-&gt;__iter(<span class="keyword">const_cast&lt;</span>Internal_type *<span class="keyword">&gt;</span>(&amp;_h)); }</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> </div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordtype">bool</span> has_sibling(T <span class="keyword">const</span> *e)</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> {</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="keywordflow">return</span> C::next(<span class="keyword">const_cast&lt;</span>T*<span class="keyword">&gt;</span>(e)) != &amp;_h</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> || C::prev(<span class="keyword">const_cast&lt;</span>T*<span class="keyword">&gt;</span>(e)) != &amp;_h;</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> }</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> </div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> Internal_type _h;</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span>};</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> </div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span>}</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> </div>
<div class="ttc" id="anamespacecxx_html"><div class="ttname"><a href="namespacecxx.html">cxx</a></div><div class="ttdoc">Our C++ library.</div><div class="ttdef"><b>Definition</b> <a href="arith_source.html#l00011">arith:11</a></div></div>
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