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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_df67e75ba07853ef5c3c9d8f74c2f968.html">ledger</a></li><li class="navelem"><a class="el" href="dir_149e605da568dfe4e38f251dde8fdf1b.html">impl</a></li> </ul>
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<div class="title">BookDirs.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//------------------------------------------------------------------</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Copyright (c) 2012, 2015 Ripple Labs Inc.</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">//==============================================================================</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <ripple/ledger/BookDirs.h></span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <ripple/ledger/View.h></span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <ripple/protocol/Indexes.h></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="namespaceripple.html">ripple</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"><a class="line" href="classripple_1_1BookDirs.html#a2fd4ec3690c95be7de27014b296f8469"> 27</a></span> <a class="code" href="classripple_1_1BookDirs.html#a2fd4ec3690c95be7de27014b296f8469">BookDirs::BookDirs</a>(<a class="code" href="classripple_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>& view, <a class="code" href="classripple_1_1Book.html">Book</a> <span class="keyword">const</span>& book)</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  : view_(&view)</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  , root_(keylet::page(<a class="code" href="namespaceripple.html#aeb5ef72b34cf7a324641e7a7f696d4cc">getBookBase</a>(book)).key)</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  , next_quality_(<a class="code" href="namespaceripple.html#aae2b8e3c2ed21dcbae53a626c885af3d">getQualityNext</a>(root_))</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  , key_(view_->succ(root_, next_quality_).value_or(<a class="code" href="namespacebeast.html">beast</a>::zero))</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  assert(<a class="code" href="classripple_1_1BookDirs.html#af880abe8537eff7360cb8bafac576157">root_</a> != beast::zero);</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1BookDirs.html#a9739d944b73f224ab8c94c0ced2a32c2">key_</a> != beast::zero)</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceripple.html#a206bfc3d5fcad44ece8cab528ccf48ba">cdirFirst</a>(*<a class="code" href="classripple_1_1BookDirs.html#a552a56181c2ea1f5a14097ad2a458e5b">view_</a>, <a class="code" href="classripple_1_1BookDirs.html#a9739d944b73f224ab8c94c0ced2a32c2">key_</a>, <a class="code" href="classripple_1_1BookDirs.html#a796ffded12a2a94ed3e978c04bba763e">sle_</a>, <a class="code" href="classripple_1_1BookDirs.html#a3dd745e5350d3c1b45e8a12d8decbf93">entry_</a>, <a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a>))</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  {</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  assert(<span class="keyword">false</span>);</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</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="keyword">auto</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classripple_1_1BookDirs.html#a9e69b52fe7b86276ae3f7ef33e7ced0d"> 44</a></span> <a class="code" href="classripple_1_1BookDirs.html#a9e69b52fe7b86276ae3f7ef33e7ced0d">BookDirs::begin</a>() const -> <a class="code" href="classripple_1_1BookDirs.html">BookDirs</a>::<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html">const_iterator</a></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> {</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">auto</span> it = <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html">BookDirs::const_iterator</a>(*<a class="code" href="classripple_1_1BookDirs.html#a552a56181c2ea1f5a14097ad2a458e5b">view_</a>, <a class="code" href="classripple_1_1BookDirs.html#af880abe8537eff7360cb8bafac576157">root_</a>, <a class="code" href="classripple_1_1BookDirs.html#a9739d944b73f224ab8c94c0ced2a32c2">key_</a>);</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1BookDirs.html#a9739d944b73f224ab8c94c0ced2a32c2">key_</a> != beast::zero)</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  it.next_quality_ = <a class="code" href="classripple_1_1BookDirs.html#a8e2796f7340e367db27362b615f92ad0">next_quality_</a>;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  it.sle_ = <a class="code" href="classripple_1_1BookDirs.html#a796ffded12a2a94ed3e978c04bba763e">sle_</a>;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  it.entry_ = <a class="code" href="classripple_1_1BookDirs.html#a3dd745e5350d3c1b45e8a12d8decbf93">entry_</a>;</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  it.index_ = <a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a>;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> it;</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>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">auto</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classripple_1_1BookDirs.html#aa2ab6e88976097d9e024b7877f3ebbac"> 58</a></span> <a class="code" href="classripple_1_1BookDirs.html#aa2ab6e88976097d9e024b7877f3ebbac">BookDirs::end</a>() const -> <a class="code" href="classripple_1_1BookDirs.html">BookDirs</a>::<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html">const_iterator</a></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html">BookDirs::const_iterator</a>(*<a class="code" href="classripple_1_1BookDirs.html#a552a56181c2ea1f5a14097ad2a458e5b">view_</a>, <a class="code" href="classripple_1_1BookDirs.html#af880abe8537eff7360cb8bafac576157">root_</a>, <a class="code" href="classripple_1_1BookDirs.html#a9739d944b73f224ab8c94c0ced2a32c2">key_</a>);</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a> <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#a859a239f773421702e18f26de9d7bb84">BookDirs::const_iterator::j_</a> =</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="classbeast_1_1Journal.html">beast::Journal</a>{<a class="code" href="classbeast_1_1Journal.html#a930d70ff72f71414fcd5b560610cefb6">beast::Journal::getNullSink</a>()};</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="keywordtype">bool</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classripple_1_1BookDirs_1_1const__iterator.html#a303db8628e4d0f4596f6ce780078d4b9"> 67</a></span> <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#a303db8628e4d0f4596f6ce780078d4b9">BookDirs::const_iterator::operator==</a>(</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html">BookDirs::const_iterator</a> <span class="keyword">const</span>& other)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#ab376dca6ac61ca10c6a587803e8a2b6f">view_</a> == <span class="keyword">nullptr</span> || other.<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#ab376dca6ac61ca10c6a587803e8a2b6f">view_</a> == <span class="keyword">nullptr</span>)</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  assert(<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#ab376dca6ac61ca10c6a587803e8a2b6f">view_</a> == other.<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#ab376dca6ac61ca10c6a587803e8a2b6f">view_</a> && <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#a8830e8e2c504cc278863a9dfc9aab379">root_</a> == other.<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#a8830e8e2c504cc278863a9dfc9aab379">root_</a>);</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#a9e4d1b42a36aab145e351ce1835210d7">entry_</a> == other.<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#a9e4d1b42a36aab145e351ce1835210d7">entry_</a> && <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#afad7632e8ea7a47082509d74fec4c3db">cur_key_</a> == other.<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#afad7632e8ea7a47082509d74fec4c3db">cur_key_</a> &&</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#ad8ca5337a702099f5202c17d424efd47">index_</a> == other.<a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#ad8ca5337a702099f5202c17d424efd47">index_</a>;</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>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <a class="code" href="classripple_1_1Dir_1_1const__iterator.html#a5c10b36dcf197f4ccd12419eb00ef13a">BookDirs::const_iterator::reference</a></div>
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<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classripple_1_1BookDirs_1_1const__iterator.html#a622ddae362c9182e604a10624f074f35"> 79</a></span> <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#a622ddae362c9182e604a10624f074f35">BookDirs::const_iterator::operator*</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  assert(<a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a> != beast::zero);</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (!cache_)</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  cache_ = <a class="code" href="classripple_1_1BookDirs.html#a552a56181c2ea1f5a14097ad2a458e5b">view_</a>-><a class="code" href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">read</a>(<a class="code" href="namespaceripple_1_1keylet.html#a5d33427228ab1869c37fcf11132865f6">keylet::offer</a>(<a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a>));</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> *cache_;</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>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html">BookDirs::const_iterator</a>&</div>
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<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classripple_1_1BookDirs_1_1const__iterator.html#a376ec2437fe3827defa3ffbbf042b62c"> 88</a></span> <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#a376ec2437fe3827defa3ffbbf042b62c">BookDirs::const_iterator::operator++</a>()</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">using</span> beast::zero;</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>  assert(<a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a> != zero);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceripple.html#a9c4dd9876685de738163e6ddb7ae498f">cdirNext</a>(*<a class="code" href="classripple_1_1BookDirs.html#a552a56181c2ea1f5a14097ad2a458e5b">view_</a>, cur_key_, <a class="code" href="classripple_1_1BookDirs.html#a796ffded12a2a94ed3e978c04bba763e">sle_</a>, <a class="code" href="classripple_1_1BookDirs.html#a3dd745e5350d3c1b45e8a12d8decbf93">entry_</a>, <a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a>))</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a> != 0 ||</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  (cur_key_ =</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classripple_1_1BookDirs.html#a552a56181c2ea1f5a14097ad2a458e5b">view_</a>-><a class="code" href="classripple_1_1ReadView.html#adb3ef95cbd470775fe1e09955399667f">succ</a>(++cur_key_, <a class="code" href="classripple_1_1BookDirs.html#a8e2796f7340e367db27362b615f92ad0">next_quality_</a>).value_or(zero)) == zero)</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  {</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  cur_key_ = <a class="code" href="classripple_1_1BookDirs.html#a9739d944b73f224ab8c94c0ced2a32c2">key_</a>;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classripple_1_1BookDirs.html#a3dd745e5350d3c1b45e8a12d8decbf93">entry_</a> = 0;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a> = zero;</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"> 103</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!<a class="code" href="namespaceripple.html#a206bfc3d5fcad44ece8cab528ccf48ba">cdirFirst</a>(*<a class="code" href="classripple_1_1BookDirs.html#a552a56181c2ea1f5a14097ad2a458e5b">view_</a>, cur_key_, <a class="code" href="classripple_1_1BookDirs.html#a796ffded12a2a94ed3e978c04bba763e">sle_</a>, <a class="code" href="classripple_1_1BookDirs.html#a3dd745e5350d3c1b45e8a12d8decbf93">entry_</a>, <a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a>))</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  assert(<span class="keyword">false</span>);</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"> 108</span>  </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  cache_ = std::nullopt;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</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"> 112</span>  </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html">BookDirs::const_iterator</a></div>
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<div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="classripple_1_1BookDirs_1_1const__iterator.html#a8f8b951db386fa9053008decec4f1fb6"> 114</a></span> <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html#a376ec2437fe3827defa3ffbbf042b62c">BookDirs::const_iterator::operator++</a>(<span class="keywordtype">int</span>)</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  assert(<a class="code" href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">index_</a> != beast::zero);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="classripple_1_1BookDirs_1_1const__iterator.html">const_iterator</a> tmp(*<span class="keyword">this</span>);</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  ++(*this);</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> tmp;</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>  </div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> } <span class="comment">// namespace ripple</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="anamespaceripple_html_a9c4dd9876685de738163e6ddb7ae498f"><div class="ttname"><a href="namespaceripple.html#a9c4dd9876685de738163e6ddb7ae498f">ripple::cdirNext</a></div><div class="ttdeci">bool cdirNext(ReadView const &view, uint256 const &root, std::shared_ptr< SLE const > &page, unsigned int &index, uint256 &entry)</div><div class="ttdoc">Returns the next entry in the directory, advancing the index.</div><div class="ttdef"><b>Definition:</b> <a href="View_8cpp_source.html#l00147">View.cpp:147</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html_a622ddae362c9182e604a10624f074f35"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html#a622ddae362c9182e604a10624f074f35">ripple::BookDirs::const_iterator::operator*</a></div><div class="ttdeci">reference operator*() const</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8cpp_source.html#l00079">BookDirs.cpp:79</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_a3dd745e5350d3c1b45e8a12d8decbf93"><div class="ttname"><a href="classripple_1_1BookDirs.html#a3dd745e5350d3c1b45e8a12d8decbf93">ripple::BookDirs::entry_</a></div><div class="ttdeci">unsigned int entry_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00035">BookDirs.h:35</a></div></div>
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<div class="ttc" id="anamespaceripple_html_aeb5ef72b34cf7a324641e7a7f696d4cc"><div class="ttname"><a href="namespaceripple.html#aeb5ef72b34cf7a324641e7a7f696d4cc">ripple::getBookBase</a></div><div class="ttdeci">uint256 getBookBase(Book const &book)</div><div class="ttdef"><b>Definition:</b> <a href="Indexes_8cpp_source.html#l00079">Indexes.cpp:79</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_af880abe8537eff7360cb8bafac576157"><div class="ttname"><a href="classripple_1_1BookDirs.html#af880abe8537eff7360cb8bafac576157">ripple::BookDirs::root_</a></div><div class="ttdeci">const uint256 root_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00031">BookDirs.h:31</a></div></div>
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<div class="ttc" id="anamespaceripple_1_1keylet_html_a5d33427228ab1869c37fcf11132865f6"><div class="ttname"><a href="namespaceripple_1_1keylet.html#a5d33427228ab1869c37fcf11132865f6">ripple::keylet::offer</a></div><div class="ttdeci">Keylet offer(AccountID const &id, std::uint32_t seq) noexcept</div><div class="ttdoc">An offer from an account.</div><div class="ttdef"><b>Definition:</b> <a href="Indexes_8cpp_source.html#l00219">Indexes.cpp:219</a></div></div>
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<div class="ttc" id="anamespaceripple_html_aae2b8e3c2ed21dcbae53a626c885af3d"><div class="ttname"><a href="namespaceripple.html#aae2b8e3c2ed21dcbae53a626c885af3d">ripple::getQualityNext</a></div><div class="ttdeci">uint256 getQualityNext(uint256 const &uBase)</div><div class="ttdef"><b>Definition:</b> <a href="Indexes_8cpp_source.html#l00097">Indexes.cpp:97</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_a9739d944b73f224ab8c94c0ced2a32c2"><div class="ttname"><a href="classripple_1_1BookDirs.html#a9739d944b73f224ab8c94c0ced2a32c2">ripple::BookDirs::key_</a></div><div class="ttdeci">const uint256 key_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00033">BookDirs.h:33</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html_a930d70ff72f71414fcd5b560610cefb6"><div class="ttname"><a href="classbeast_1_1Journal.html#a930d70ff72f71414fcd5b560610cefb6">beast::Journal::getNullSink</a></div><div class="ttdeci">static Sink & getNullSink()</div><div class="ttdoc">Returns a Sink which does nothing.</div><div class="ttdef"><b>Definition:</b> <a href="beast__Journal_8cpp_source.html#l00072">beast_Journal.cpp:72</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html_a376ec2437fe3827defa3ffbbf042b62c"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html#a376ec2437fe3827defa3ffbbf042b62c">ripple::BookDirs::const_iterator::operator++</a></div><div class="ttdeci">const_iterator & operator++()</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8cpp_source.html#l00088">BookDirs.cpp:88</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html_ab376dca6ac61ca10c6a587803e8a2b6f"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html#ab376dca6ac61ca10c6a587803e8a2b6f">ripple::BookDirs::const_iterator::view_</a></div><div class="ttdeci">ReadView const * view_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00097">BookDirs.h:97</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_aad73b98cd429754e3dc57436ed70b264"><div class="ttname"><a href="classripple_1_1BookDirs.html#aad73b98cd429754e3dc57436ed70b264">ripple::BookDirs::index_</a></div><div class="ttdeci">uint256 index_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00036">BookDirs.h:36</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html"><div class="ttname"><a href="classripple_1_1BookDirs.html">ripple::BookDirs</a></div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00027">BookDirs.h:27</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_a2fd4ec3690c95be7de27014b296f8469"><div class="ttname"><a href="classripple_1_1BookDirs.html#a2fd4ec3690c95be7de27014b296f8469">ripple::BookDirs::BookDirs</a></div><div class="ttdeci">BookDirs(ReadView const &, Book const &)</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8cpp_source.html#l00027">BookDirs.cpp:27</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_aa2ab6e88976097d9e024b7877f3ebbac"><div class="ttname"><a href="classripple_1_1BookDirs.html#aa2ab6e88976097d9e024b7877f3ebbac">ripple::BookDirs::end</a></div><div class="ttdeci">const_iterator end() const</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8cpp_source.html#l00058">BookDirs.cpp:58</a></div></div>
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<div class="ttc" id="aclassbeast_1_1Journal_html"><div class="ttname"><a href="classbeast_1_1Journal.html">beast::Journal</a></div><div class="ttdoc">A generic endpoint for log messages.</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00058">Journal.h:58</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html_a303db8628e4d0f4596f6ce780078d4b9"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html#a303db8628e4d0f4596f6ce780078d4b9">ripple::BookDirs::const_iterator::operator==</a></div><div class="ttdeci">bool operator==(const_iterator const &other) const</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8cpp_source.html#l00067">BookDirs.cpp:67</a></div></div>
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<div class="ttc" id="aclassripple_1_1ReadView_html_adb3ef95cbd470775fe1e09955399667f"><div class="ttname"><a href="classripple_1_1ReadView.html#adb3ef95cbd470775fe1e09955399667f">ripple::ReadView::succ</a></div><div class="ttdeci">virtual std::optional< key_type > succ(key_type const &key, std::optional< key_type > const &last=std::nullopt) const =0</div><div class="ttdoc">Return the key of the next state item.</div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html_a9e4d1b42a36aab145e351ce1835210d7"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html#a9e4d1b42a36aab145e351ce1835210d7">ripple::BookDirs::const_iterator::entry_</a></div><div class="ttdeci">unsigned int entry_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00103">BookDirs.h:103</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_a552a56181c2ea1f5a14097ad2a458e5b"><div class="ttname"><a href="classripple_1_1BookDirs.html#a552a56181c2ea1f5a14097ad2a458e5b">ripple::BookDirs::view_</a></div><div class="ttdeci">ReadView const * view_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00030">BookDirs.h:30</a></div></div>
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<div class="ttc" id="aclassripple_1_1ReadView_html_a3351e0244f921234d5ba005a07ddf539"><div class="ttname"><a href="classripple_1_1ReadView.html#a3351e0244f921234d5ba005a07ddf539">ripple::ReadView::read</a></div><div class="ttdeci">virtual std::shared_ptr< SLE const > read(Keylet const &k) const =0</div><div class="ttdoc">Return the state item associated with a key.</div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html">ripple::BookDirs::const_iterator</a></div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00051">BookDirs.h:51</a></div></div>
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<div class="ttc" id="aclassripple_1_1ReadView_html"><div class="ttname"><a href="classripple_1_1ReadView.html">ripple::ReadView</a></div><div class="ttdoc">A view into a ledger.</div><div class="ttdef"><b>Definition:</b> <a href="ReadView_8h_source.html#l00192">ReadView.h:192</a></div></div>
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<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html_a8830e8e2c504cc278863a9dfc9aab379"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html#a8830e8e2c504cc278863a9dfc9aab379">ripple::BookDirs::const_iterator::root_</a></div><div class="ttdeci">uint256 root_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00098">BookDirs.h:98</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html_afad7632e8ea7a47082509d74fec4c3db"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html#afad7632e8ea7a47082509d74fec4c3db">ripple::BookDirs::const_iterator::cur_key_</a></div><div class="ttdeci">uint256 cur_key_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00101">BookDirs.h:101</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html_ad8ca5337a702099f5202c17d424efd47"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html#ad8ca5337a702099f5202c17d424efd47">ripple::BookDirs::const_iterator::index_</a></div><div class="ttdeci">uint256 index_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00104">BookDirs.h:104</a></div></div>
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<div class="ttc" id="aclassripple_1_1Book_html"><div class="ttname"><a href="classripple_1_1Book.html">ripple::Book</a></div><div class="ttdoc">Specifies an order book.</div><div class="ttdef"><b>Definition:</b> <a href="Book_8h_source.html#l00032">Book.h:32</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_1_1const__iterator_html_a859a239f773421702e18f26de9d7bb84"><div class="ttname"><a href="classripple_1_1BookDirs_1_1const__iterator.html#a859a239f773421702e18f26de9d7bb84">ripple::BookDirs::const_iterator::j_</a></div><div class="ttdeci">static beast::Journal j_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00107">BookDirs.h:107</a></div></div>
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<div class="ttc" id="aclassripple_1_1Dir_1_1const__iterator_html_a5c10b36dcf197f4ccd12419eb00ef13a"><div class="ttname"><a href="classripple_1_1Dir_1_1const__iterator.html#a5c10b36dcf197f4ccd12419eb00ef13a">ripple::Dir::const_iterator::reference</a></div><div class="ttdeci">value_type const & reference</div><div class="ttdef"><b>Definition:</b> <a href="Directory_8h_source.html#l00054">Directory.h:54</a></div></div>
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<div class="ttc" id="anamespaceripple_html_a206bfc3d5fcad44ece8cab528ccf48ba"><div class="ttname"><a href="namespaceripple.html#a206bfc3d5fcad44ece8cab528ccf48ba">ripple::cdirFirst</a></div><div class="ttdeci">bool cdirFirst(ReadView const &view, uint256 const &root, std::shared_ptr< SLE const > &page, unsigned int &index, uint256 &entry)</div><div class="ttdoc">Returns the first entry in the directory, advancing the index.</div><div class="ttdef"><b>Definition:</b> <a href="View_8cpp_source.html#l00136">View.cpp:136</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_a796ffded12a2a94ed3e978c04bba763e"><div class="ttname"><a href="classripple_1_1BookDirs.html#a796ffded12a2a94ed3e978c04bba763e">ripple::BookDirs::sle_</a></div><div class="ttdeci">std::shared_ptr< SLE const > sle_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00034">BookDirs.h:34</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_a8e2796f7340e367db27362b615f92ad0"><div class="ttname"><a href="classripple_1_1BookDirs.html#a8e2796f7340e367db27362b615f92ad0">ripple::BookDirs::next_quality_</a></div><div class="ttdeci">const uint256 next_quality_</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8h_source.html#l00032">BookDirs.h:32</a></div></div>
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<div class="ttc" id="anamespacebeast_html"><div class="ttname"><a href="namespacebeast.html">beast</a></div><div class="ttdef"><b>Definition:</b> <a href="base__uint_8h_source.html#l00657">base_uint.h:657</a></div></div>
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<div class="ttc" id="aclassripple_1_1BookDirs_html_a9e69b52fe7b86276ae3f7ef33e7ced0d"><div class="ttname"><a href="classripple_1_1BookDirs.html#a9e69b52fe7b86276ae3f7ef33e7ced0d">ripple::BookDirs::begin</a></div><div class="ttdeci">const_iterator begin() const</div><div class="ttdef"><b>Definition:</b> <a href="BookDirs_8cpp_source.html#l00044">BookDirs.cpp:44</a></div></div>
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