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  <title>Assignable</title>
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  <img src="../../boost.png" alt="C++ Boost" width="277" height=
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  <h1>Assignable</h1>

  <h3>Description</h3>

  <p>A type is Assignable if it is possible to assign one object of the type
  to another object of that type.</p>

  <h3>Notation</h3>

  <table summary="">
    <tr>
      <td valign="top"><tt>T</tt></td>

      <td valign="top">is type that is a model of Assignable</td>
    </tr>

    <tr>
      <td valign="top"><tt>t</tt></td>

      <td valign="top">is an object of type <tt>T</tt></td>
    </tr>

    <tr>
      <td valign="top"><tt>u</tt></td>

      <td valign="top">is an object of type <tt>T</tt> or possibly <tt>const
      T</tt></td>
    </tr>
  </table>

  <h3>Definitions</h3>

  <h3>Valid expressions</h3>

  <table border summary="">
    <tr>
      <th>Name</th>

      <th>Expression</th>

      <th>Return type</th>

      <th>Semantics</th>
    </tr>

    <tr>
      <td valign="top">Assignment</td>

      <td valign="top"><tt>t = u</tt></td>

      <td valign="top"><tt>T&amp;</tt></td>

      <td valign="top"><tt>t</tt> is equivalent to <tt>u</tt></td>
    </tr>
  </table>

  <h3>Models</h3>

  <ul>
    <li><tt>int</tt></li>

    <li><tt>std::pair</tt></li>
  </ul>

  <h3>See also</h3>

  <p><a href=
  "http://www.sgi.com/tech/stl/DefaultConstructible.html">DefaultConstructible</a>
  and <a href="./CopyConstructible.html">CopyConstructible</a><br></p>
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  <p>Revised 
  <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->05 December, 2006<!--webbot bot="Timestamp" endspan i-checksum="38516" --></p>

  <table summary="">
    <tr valign="top">
      <td nowrap><i>Copyright &copy; 2000</i></td>

      <td><i><a href="http://www.lsc.nd.edu/~jsiek">Jeremy Siek</a>, Univ.of
      Notre Dame (<a href=
      "mailto:jsiek@lsc.nd.edu">jsiek@lsc.nd.edu</a>)</i></td>
    </tr>
  </table>

  <p><i>Distributed under the Boost Software License, Version 1.0. (See
  accompanying file <a href="../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
  copy at <a href=
  "http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</a>)</i></p>
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