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| 27 | <div class="refnamediv"> |
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| 28 | <h2><span class="refentrytitle">Function hash_value</span></h2> |
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| 29 | <p>boost::hash_value — |
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| 30 | Implementation of a hash function for <code class="computeroutput">std::basic_string</code>. |
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| 31 | </p> |
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| 32 | </div> |
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| 33 | <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> |
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| 34 | <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"> |
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| 35 | <span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> Ch, <span class="bold"><strong>typename</strong></span> A> |
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| 36 | <span class="type">std::size_t</span> hash_value(std::basic_string<Ch, std::char_traits<Ch>, A> <span class="bold"><strong>const</strong></span>& val);</pre></div> |
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| 37 | <div class="refsect1" lang="en"> |
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| 38 | <a name="id2591570"></a><h2>Description</h2> |
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| 39 | <p> |
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| 40 | Generally shouldn't be called directly by users, instead they should use |
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| 41 | <code class="computeroutput"><a href="boost/hash.html" title="Struct template hash">boost::hash</a></code>, <code class="computeroutput"><a href="hash_range.html" title="Function hash_range">boost::hash_range</a></code> |
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| 42 | or <code class="computeroutput"><a href="hash_combine.html" title="Function template hash_combine">boost::hash_combine</a></code> which |
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| 43 | call hash_value without namespace qualification so that overloads |
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| 44 | for custom types are found via ADL. |
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| 45 | </p> |
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| 46 | <p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Notes</span></b>: |
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| 47 | |
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| 48 | Overloads for other types supplied in other headers.<p>This is an extension to TR1</p><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>: |
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| 49 | |
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| 50 | <code class="computeroutput">hash_range(val.begin(), val.end())</code></p> |
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| 51 | </div> |
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| 52 | </div> |
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| 55 | <td align="right"><small>Copyright © 2005 Daniel James</small></td> |
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