| [12] | 1 | <html> |
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| 2 | <head> |
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| 3 | <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> |
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| 4 | <title>Concept Assignable</title> |
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| 15 | <td align="center"><a href="../../index.htm">Home</a></td> |
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| 22 | <div class="spirit-nav"> |
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| 23 | <a accesskey="p" href="concepts/reference.html"><img src="images/prev.png" alt="Prev"></a><a accesskey="u" href="concepts/reference.html"><img src="images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="images/home.png" alt="Home"></a><a accesskey="n" href="InputIterator.html"><img src="images/next.png" alt="Next"></a> |
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| 24 | </div> |
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| 25 | <div class="refentry" lang="en"> |
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| 26 | <a name="Assignable"></a><div class="titlepage"></div> |
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| 27 | <div class="refnamediv"> |
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| 28 | <h2><span class="refentrytitle">Concept Assignable</span></h2> |
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| 29 | <p>Assignable</p> |
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| 30 | </div> |
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| 31 | <div class="refsect1" lang="en"> |
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| 32 | <a name="id2575911"></a><h2>Description</h2> |
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| 33 | <p>Assignable types must have copy constructors, |
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| 34 | <code class="computeroutput">operator=</code> for assignment, and the <code class="computeroutput">swap()</code> |
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| 35 | function defined.</p> |
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| 36 | </div> |
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| 37 | <div class="refsect1" lang="en"> |
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| 38 | <a name="id2575930"></a><h2>Refinement of</h2> |
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| 39 | <div class="itemizedlist"><ul type="disc"><li><p><a href="CopyConstructible.html" title="Concept CopyConstructible">CopyConstructible</a></p></li></ul></div> |
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| 40 | </div> |
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| 41 | <div class="refsect1" lang="en"> |
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| 42 | <a name="id2575943"></a><h2>Notation</h2> |
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| 43 | <div class="variablelist"><dl> |
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| 44 | <dt><span class="term">X</span></dt> |
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| 45 | <dd>A type playing the role of assignable-type in the <a href="Assignable.html" title="Concept Assignable">Assignable</a> concept.</dd> |
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| 46 | <dt> |
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| 47 | <span class="term"><code class="varname">x</code>, </span><span class="term"><code class="varname">y</code></span> |
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| 48 | </dt> |
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| 49 | <dd>Objects of type X</dd> |
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| 50 | </dl></div> |
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| 51 | </div> |
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| 52 | <div class="refsect1" lang="en"> |
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| 53 | <a name="id2575973"></a><h2>Valid expressions</h2> |
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| 54 | <div class="informaltable"><table class="table"> |
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| 55 | <colgroup> |
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| 56 | <col> |
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| 57 | <col> |
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| 58 | <col> |
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| 59 | <col> |
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| 60 | </colgroup> |
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| 61 | <thead><tr> |
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| 62 | <th>Name</th> |
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| 63 | <th>Expression</th> |
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| 64 | <th>Type</th> |
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| 65 | <th>Semantics</th> |
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| 66 | </tr></thead> |
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| 67 | <tbody> |
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| 68 | <tr> |
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| 69 | <td><p>Assignment</p></td> |
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| 70 | <td><p>x = y</p></td> |
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| 71 | <td><p><span class="type">X &</span></p></td> |
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| 72 | <td><p>Require <code class="computeroutput">operator=</code></p></td> |
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| 73 | </tr> |
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| 74 | <tr> |
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| 75 | <td><p>Swap</p></td> |
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| 76 | <td><p>swap(x, y)</p></td> |
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| 77 | <td><p><span class="type">void</span></p></td> |
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| 78 | <td><p>Require <code class="computeroutput">swap()</code> function</p></td> |
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| 79 | </tr> |
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| 80 | </tbody> |
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| 81 | </table></div> |
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| 82 | </div> |
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| 83 | <div class="refsect1" lang="en"> |
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| 84 | <a name="id2576036"></a><h2>Models</h2> |
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| 85 | <div class="itemizedlist"><ul type="disc"><li><span class="simplelist"><span class="type">int</span></span></li></ul></div> |
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| 86 | </div> |
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| 87 | <div class="refsect1" lang="en"> |
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| 88 | <a name="id2576048"></a><h2>See also</h2> |
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| 89 | <div class="itemizedlist"><ul type="disc"><li><p><a href="CopyConstructible.html" title="Concept CopyConstructible">CopyConstructible</a></p></li></ul></div> |
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| 90 | </div> |
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| 91 | </div> |
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| 92 | <table width="100%"><tr> |
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| 93 | <td align="left"></td> |
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| 94 | <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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| 95 | </tr></table> |
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| 96 | <hr> |
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| 97 | <div class="spirit-nav"> |
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| 98 | <a accesskey="p" href="concepts/reference.html"><img src="images/prev.png" alt="Prev"></a><a accesskey="u" href="concepts/reference.html"><img src="images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="images/home.png" alt="Home"></a><a accesskey="n" href="InputIterator.html"><img src="images/next.png" alt="Next"></a> |
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| 99 | </div> |
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