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  <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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  <h2><span class="refentrytitle">Concept Assignable</span></h2>
  <p>Assignable</p>
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  <div class="refsect1">
  <a name="id-1.3.47.3.4.3"></a><h2>Description</h2>
  <p>Assignable types must have copy constructors,
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  <a name="id-1.3.47.3.4.4"></a><h2>Refinement of</h2>
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  <a name="id-1.3.47.3.4.5"></a><h2>Notation</h2>
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  <dt><span class="term">X</span></dt>
  <dd>A type playing the role of assignable-type in the <a class="link" href="Assignable.html" title="Concept Assignable">Assignable</a> concept.</dd>
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  <span class="term"><code class="varname">x</code>, </span><span class="term"><code class="varname">y</code></span>
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  <dd>Objects of type X</dd>
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  <a name="id-1.3.47.3.4.6"></a><h2>Valid expressions</h2>
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  <td><p>Assignment</p></td>
  <td><p>x = y</p></td>
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  <td><p>Swap</p></td>
  <td><p>swap(x, y)</p></td>
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  <td><p>Require <code class="computeroutput">swap()</code> function</p></td>
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  <a name="id-1.3.47.3.4.7"></a><h2>Models</h2>
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  <a name="id-1.3.47.3.4.8"></a><h2>See also</h2>
  <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><a class="link" href="CopyConstructible.html" title="Concept CopyConstructible">CopyConstructible</a></p></li></ul></div>
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  <td align="right"><div class="copyright-footer">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<p>Distributed under the Boost Software License, Version 1.0.
        (See accompanying file <code class="filename">LICENSE_1_0.txt</code> or copy at 
        <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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  <p>This product includes software developed at the University
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        University. For technical information contact Andrew Lumsdaine
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        317-274-5902.</p>
  <p>Some concepts based on versions from the MTL draft manual
        and Boost Graph and Property Map documentation, the SGI Standard
        Template Library documentation and the Hewlett-Packard STL,
        under the following license: 
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