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| 6 | <meta name="generator" content="Docutils 0.3.6: http://docutils.sourceforge.net/" /> |
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| 7 | <title>Swappable Iterator Concept</title> |
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| 9 | </head> |
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| 10 | <body> |
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| 11 | <h1 class="title">Swappable Iterator Concept</h1> |
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| 12 | <div class="document" id="swappable-iterator-concept"> |
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| 13 | <p>A class or built-in type <tt class="literal"><span class="pre">X</span></tt> models the <em>Swappable Iterator</em> concept |
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| 14 | if, in addition to <tt class="literal"><span class="pre">X</span></tt> being Copy Constructible, the following |
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| 15 | expressions are valid and respect the stated semantics.</p> |
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| 20 | <col width="43%" /> |
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| 21 | </colgroup> |
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| 22 | <thead valign="bottom"> |
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| 23 | <tr><th colspan="3">Swappable Iterator Requirements (in addition to Copy Constructible)</th> |
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| 24 | </tr> |
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| 25 | <tr><th>Expression</th> |
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| 26 | <th>Return Type</th> |
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| 27 | <th>Postcondition</th> |
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| 28 | </tr> |
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| 29 | </thead> |
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| 30 | <tbody valign="top"> |
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| 31 | <tr><td><tt class="literal"><span class="pre">iter_swap(a,</span> <span class="pre">b)</span></tt></td> |
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| 32 | <td><tt class="literal"><span class="pre">void</span></tt></td> |
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| 33 | <td>the pointed to values are |
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| 34 | exchanged</td> |
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| 35 | </tr> |
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| 36 | </tbody> |
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| 37 | </table> |
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| 38 | <dl> |
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| 39 | <dt>[<em>Note:</em> An iterator that is a model of the <em>Readable</em> and <em>Writable Iterator</em> concepts</dt> |
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| 40 | <dd>is also a model of <em>Swappable Iterator</em>. <em>--end note</em>]</dd> |
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| 41 | </dl> |
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| 42 | </div> |
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| 43 | <hr class="footer" /> |
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| 44 | <div class="footer"> |
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| 45 | <a class="reference" href="SwappableIterator.rst">View document source</a>. |
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