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| 26 | <a name="EqualityComparable"></a><div class="titlepage"></div> |
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| 27 | <div class="refnamediv"> |
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| 28 | <h2><span class="refentrytitle">Concept EqualityComparable</span></h2> |
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| 29 | <p>EqualityComparable</p> |
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| 30 | </div> |
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| 31 | <div class="refsect1" lang="en"> |
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| 32 | <a name="id2578537"></a><h2>Description</h2> |
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| 33 | <p>Equality Comparable types must have <code class="computeroutput">==</code> and |
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| 34 | <code class="computeroutput">!=</code> operators.</p> |
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| 35 | </div> |
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| 36 | <div class="refsect1" lang="en"> |
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| 37 | <a name="id2578555"></a><h2>Notation</h2> |
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| 38 | <div class="variablelist"><dl> |
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| 39 | <dt><span class="term">X</span></dt> |
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| 40 | <dd>A type playing the role of comparable-type in the <a href="EqualityComparable.html" title="Concept EqualityComparable">EqualityComparable</a> concept.</dd> |
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| 41 | <dt> |
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| 42 | <span class="term"><code class="varname">x</code>, </span><span class="term"><code class="varname">y</code></span> |
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| 43 | </dt> |
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| 44 | <dd>Objects of type X</dd> |
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| 45 | </dl></div> |
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| 46 | </div> |
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| 47 | <div class="refsect1" lang="en"> |
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| 48 | <a name="id2578585"></a><h2>Valid expressions</h2> |
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| 49 | <div class="informaltable"><table class="table"> |
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| 50 | <colgroup> |
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| 51 | <col> |
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| 52 | <col> |
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| 53 | <col> |
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| 54 | </colgroup> |
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| 55 | <thead><tr> |
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| 56 | <th>Name</th> |
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| 57 | <th>Expression</th> |
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| 58 | <th>Type</th> |
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| 59 | </tr></thead> |
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| 60 | <tbody> |
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| 61 | <tr> |
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| 62 | <td><p>Equality test</p></td> |
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| 63 | <td><p>x == y</p></td> |
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| 64 | <td><p>Convertible to <span class="type">bool</span></p></td> |
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| 65 | </tr> |
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| 66 | <tr> |
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| 67 | <td><p>Inequality test</p></td> |
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| 68 | <td><p>x != y</p></td> |
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| 69 | <td><p>Convertible to <span class="type">bool</span></p></td> |
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| 70 | </tr> |
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| 71 | </tbody> |
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| 72 | </table></div> |
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| 73 | </div> |
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| 74 | <div class="refsect1" lang="en"> |
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| 75 | <a name="id2578631"></a><h2>Models</h2> |
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| 76 | <div class="itemizedlist"><ul type="disc"> |
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| 77 | <li><span class="simplelist"><span class="type">int</span></span></li> |
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| 78 | <li><span class="simplelist"><span class="type">std::vector<int></span></span></li> |
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| 79 | </ul></div> |
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| 80 | </div> |
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| 81 | </div> |
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| 83 | <td align="left"></td> |
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| 84 | <td align="right"><small>Copyright © 2001, 2002 Indiana University<br>Copyright © 2000, 2001 University of Notre Dame du Lac<br>Copyright © 2000 Jeremy Siek, Lie-Quan Lee, Andrew Lumsdaine<br>Copyright © 1996-1999 Silicon Graphics Computer Systems, Inc.<br>Copyright © 1994 Hewlett-Packard Company</small></td> |
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