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+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Chapter 5. Boost.Functional/Hash</title>
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+<div class="chapter" lang="en">
+<div class="titlepage"><div>
+<div><h2 class="title">
+<a name="hash"></a>Chapter 5. Boost.Functional/Hash</h2></div>
+<div><div class="author"><h3 class="author">
+<span class="firstname">Daniel</span> <span class="surname">James</span>
+</h3></div></div>
+<div><p class="copyright">Copyright © 2005 Daniel James</p></div>
+<div><div class="legalnotice">
+<a name="id1215750"></a><p>
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or copy at
+ <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">
+ http://www.boost.org/LICENSE_1_0.txt
+ </a>)
+
+ </p>
+</div></div>
+</div></div>
+<div class="toc">
+<p><b>Table of Contents</b></p>
+<dl>
+<dt><span class="section"><a href="hash.html#hash.intro"> Introduction</a></span></dt>
+<dt><span class="section"><a href="hash/tutorial.html"> Tutorial</a></span></dt>
+<dt><span class="section"><a href="hash/custom.html"> Extending boost::hash for a custom data type</a></span></dt>
+<dt><span class="section"><a href="hash/combine.html"> Combining hash values</a></span></dt>
+<dt><span class="section"><a href="hash/portability.html"> Portability</a></span></dt>
+<dt><span class="section"><a href="hash/reference_.html"> Reference</a></span></dt>
+<dt><span class="section"><a href="hash/links.html"> Links</a></span></dt>
+<dt><span class="section"><a href="hash/acknowledgements.html"> Acknowledgements</a></span></dt>
+</dl>
+</div>
+<div class="section" lang="en">
+<div class="titlepage"><div><div><h3 class="title">
+<a name="hash.intro"></a> Introduction</h3></div></div></div>
+<p><code class="computeroutput"><a href="boost/hash.html" title="Struct template hash">boost::hash</a></code> is an implementation of the <a href="http://en.wikipedia.org/wiki/Hash_function" target="_top">hash function</a> object
+specified by the <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1745.pdf" target="_top">Technical Report</a>. It is intended for use as the default hash function
+for unordered associative containers, and the <a href="../../libs/multi_index/doc/index.html" target="_top">Boost Multi-Index Containers Library</a>'s hash indexes.</p>
+<p>
+As it is compliant with the <a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1745.pdf" target="_top">Technical Report</a>, it will work with:</p>
+<div class="itemizedlist"><ul type="disc">
+<li>
+integers
+</li>
+<li>
+floats
+</li>
+<li>
+pointers
+</li>
+<li>
+strings
+</li>
+</ul></div>
+<p>
+It also implements the extension proposed by Peter Dimov in issue 6.18 of the
+<a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf" target="_top">Library Extension Technical Report Issues List</a>, this adds support for:</p>
+<div class="itemizedlist"><ul type="disc">
+<li>
+arrays
+</li>
+<li><code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span></code></li>
+<li>
+the standard containers.
+</li>
+<li>
+extending <code class="computeroutput"><a href="boost/hash.html" title="Struct template hash">boost::hash</a></code> for custom types.
+</li>
+</ul></div>
+</div>
+</div>
+<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
+<td align="left"><small><p>Last revised: July 31, 2005 at 15:55:26 GMT</p></small></td>
+<td align="right"><small></small></td>
+</tr></table>
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