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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_875063d0bf0fe9cb23dcbe977d2f1b80.html">beast</a></li><li class="navelem"><a class="el" href="dir_23909e63d54adccf58463b0a5fc10117.html">hash</a></li> </ul>
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<div class="title">uhash.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> This file is part of Beast: https://github.com/vinniefalco/Beast</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> Copyright 2014, Howard Hinnant &lt;howard.hinnant@gmail.com&gt;,</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> Vinnie Falco &lt;vinnie.falco@gmail.com</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment">//==============================================================================</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#ifndef BEAST_HASH_UHASH_H_INCLUDED</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#define BEAST_HASH_UHASH_H_INCLUDED</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;ripple/beast/hash/hash_append.h&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;ripple/beast/hash/xxhasher.h&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacebeast.html">beast</a> {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">// Universal hash function</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Hasher = xxhasher&gt;</div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="structbeast_1_1uhash.html"> 31</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structbeast_1_1uhash.html">uhash</a></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;{</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keyword">explicit</span> <a class="code" href="structbeast_1_1uhash.html#a4def52c2c4ccce9ef62041566cb44999">uhash</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structbeast_1_1uhash.html#aec7c327306a0b379ba6c909bdf255010"> 35</a></span>&#160; <span class="keyword">using</span> <a class="code" href="structbeast_1_1uhash.html#aec7c327306a0b379ba6c909bdf255010">result_type</a> = <span class="keyword">typename</span> Hasher::result_type;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <a class="code" href="structbeast_1_1uhash.html#aec7c327306a0b379ba6c909bdf255010">result_type</a></div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="structbeast_1_1uhash.html#ab8239625283ed6f9eb920c4495d197e3"> 39</a></span>&#160; <a class="code" href="structbeast_1_1uhash.html#ab8239625283ed6f9eb920c4495d197e3">operator()</a>(T <span class="keyword">const</span>&amp; t) <span class="keyword">const</span> noexcept</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; Hasher h;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <a class="code" href="namespacebeast.html#a721ec32de2934133b2fe7f8ec51551ce">hash_append</a> (h, t);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><a class="code" href="structbeast_1_1uhash.html#aec7c327306a0b379ba6c909bdf255010">result_type</a><span class="keyword">&gt;</span>(h);</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; }</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;};</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;} <span class="comment">// beast</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor">#endif</span></div>
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<div class="ttc" id="anamespacebeast_html_a721ec32de2934133b2fe7f8ec51551ce"><div class="ttname"><a href="namespacebeast.html#a721ec32de2934133b2fe7f8ec51551ce">beast::hash_append</a></div><div class="ttdeci">std::enable_if_t&lt; is_contiguously_hashable&lt; T, Hasher &gt;::value &gt; hash_append(Hasher &amp;h, T const &amp;t) noexcept</div><div class="ttdoc">Logically concatenate input data to a Hasher.</div><div class="ttdef"><b>Definition:</b> <a href="hash__append_8h_source.html#l00236">hash_append.h:236</a></div></div>
<div class="ttc" id="astructbeast_1_1uhash_html_a4def52c2c4ccce9ef62041566cb44999"><div class="ttname"><a href="structbeast_1_1uhash.html#a4def52c2c4ccce9ef62041566cb44999">beast::uhash::uhash</a></div><div class="ttdeci">uhash()=default</div></div>
<div class="ttc" id="astructbeast_1_1uhash_html_aec7c327306a0b379ba6c909bdf255010"><div class="ttname"><a href="structbeast_1_1uhash.html#aec7c327306a0b379ba6c909bdf255010">beast::uhash&lt;&gt;::result_type</a></div><div class="ttdeci">typename xxhasher ::result_type result_type</div><div class="ttdef"><b>Definition:</b> <a href="uhash_8h_source.html#l00035">uhash.h:35</a></div></div>
<div class="ttc" id="astructbeast_1_1uhash_html_ab8239625283ed6f9eb920c4495d197e3"><div class="ttname"><a href="structbeast_1_1uhash.html#ab8239625283ed6f9eb920c4495d197e3">beast::uhash::operator()</a></div><div class="ttdeci">result_type operator()(T const &amp;t) const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="uhash_8h_source.html#l00039">uhash.h:39</a></div></div>
<div class="ttc" id="astructbeast_1_1uhash_html"><div class="ttname"><a href="structbeast_1_1uhash.html">beast::uhash</a></div><div class="ttdef"><b>Definition:</b> <a href="uhash_8h_source.html#l00031">uhash.h:31</a></div></div>
<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#l00582">base_uint.h:582</a></div></div>
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