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| 28 | <h2><span class="refentrytitle">Function hash_value</span></h2> |
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| 29 | <p>boost::hash_value — </p> |
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| 30 | </div> |
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| 31 | <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> |
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| 32 | <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"> |
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| 33 | <span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> A, <span class="bold"><strong>typename</strong></span> B> |
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| 34 | <span class="type">std::size_t</span> hash_value(std::pair<A, B> <span class="bold"><strong>const</strong></span> & val);</pre></div> |
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| 35 | <div class="refsect1" lang="en"> |
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| 36 | <a name="id1149159"></a><h2>Description</h2> |
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| 37 | <p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Effects</span></b>: |
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| 38 | |
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| 39 | <pre class="programlisting"> |
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| 40 | size_t seed = 0; |
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| 41 | <a href="hash_combine.html" title="Function template hash_combine">hash_combine</a>(seed, val.first); |
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| 42 | <a href="hash_combine.html" title="Function template hash_combine">hash_combine</a>(seed, val.second); |
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| 43 | return seed; |
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| 44 | </pre><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>: |
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| 45 | |
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| 46 | |
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| 47 | Only throws if <code class="computeroutput"><a href="id971950.html" title="Function hash_value">hash_value</a>(A)</code> |
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| 48 | or <code class="computeroutput"><a href="id971950.html" title="Function hash_value">hash_value</a>(B)</code> throws. |
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| 49 | <br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Notes</span></b>: |
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| 50 | |
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| 51 | This is an extension to TR1</p> |
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| 52 | </div> |
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| 55 | <td align="left"></td> |
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| 56 | <td align="right"><small>Copyright © 2005 Daniel James</small></td> |
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