ceph/src/boost/libs/utility/Assignable.html

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   8   <title>Assignable</title>
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  15
  16   <h1>Assignable</h1>
  17
  18   <h3>Description</h3>
  19
  20   <p>A type is Assignable if it is possible to assign one object of the type
  21   to another object of that type.</p>
  22
  23   <h3>Notation</h3>
  24
  25   <table summary="">
  26     <tr>
  27       <td valign="top"><tt>T</tt></td>
  28
  29       <td valign="top">is type that is a model of Assignable</td>
  30     </tr>
  31
  32     <tr>
  33       <td valign="top"><tt>t</tt></td>
  34
  35       <td valign="top">is an object of type <tt>T</tt></td>
  36     </tr>
  37
  38     <tr>
  39       <td valign="top"><tt>u</tt></td>
  40
  41       <td valign="top">is an object of type <tt>T</tt> or possibly <tt>const
  42       T</tt></td>
  43     </tr>
  44   </table>
  45
  46   <h3>Definitions</h3>
  47
  48   <h3>Valid expressions</h3>
  49
  50   <table border summary="">
  51     <tr>
  52       <th>Name</th>
  53
  54       <th>Expression</th>
  55
  56       <th>Return type</th>
  57
  58       <th>Semantics</th>
  59     </tr>
  60
  61     <tr>
  62       <td valign="top">Assignment</td>
  63
  64       <td valign="top"><tt>t = u</tt></td>
  65
  66       <td valign="top"><tt>T&amp;</tt></td>
  67
  68       <td valign="top"><tt>t</tt> is equivalent to <tt>u</tt></td>
  69     </tr>
  70   </table>
  71
  72   <h3>Models</h3>
  73
  74   <ul>
  75     <li><tt>int</tt></li>
  76
  77     <li><tt>std::pair</tt></li>
  78   </ul>
  79
  80   <h3>See also</h3>
  81
  82   <p><a href=
  83   "http://www.sgi.com/tech/stl/DefaultConstructible.html">DefaultConstructible</a>
  84   and <a href="./CopyConstructible.html">CopyConstructible</a><br></p>
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  90
  91   <p>Revised
  92   <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->05 December, 2006<!--webbot bot="Timestamp" endspan i-checksum="38516" --></p>
  93
  94   <table summary="">
  95     <tr valign="top">
  96       <td nowrap><i>Copyright &copy; 2000</i></td>
  97
  98       <td><i><a href="http://www.lsc.nd.edu/~jsiek">Jeremy Siek</a>, Univ.of
  99       Notre Dame (<a href=
 100       "mailto:jsiek@lsc.nd.edu">jsiek@lsc.nd.edu</a>)</i></td>
 101     </tr>
 102   </table>
 103
 104   <p><i>Distributed under the Boost Software License, Version 1.0. (See
 105   accompanying file <a href="../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
 106   copy at <a href=
 107   "http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</a>)</i></p>
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