ceph/src/boost/libs/preprocessor/doc/ref/assign_slot.html

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   3         <title>BOOST_PP_ASSIGN_SLOT</title>
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   8                 The <b>BOOST_PP_ASSIGN_SLOT</b> macro fully evaluates a numeric macro or expression.
   9         </div>
  10         <h4>Usage</h4>
  11                 <div class="code">
  12                         #include <b>BOOST_PP_ASSIGN_SLOT</b>(<i>i</i>)
  13                 </div>
  14         <h4>Arguments</h4>
  15                 <dl>
  16                         <dt>i</dt>
  17                         <dd>
  18                                 The <i>slot</i> index that is to be assigned.&nbsp;
  19                                 This value must be in the range of <i>1</i> to <b>BOOST_PP_LIMIT_SLOT_COUNT</b>.
  20                         </dd>
  21                 </dl>
  22         <h4>Remarks</h4>
  23                 <div>
  24                         Prior to use, the <i>named external argument</i> <b>BOOST_PP_VALUE</b> must be defined.&nbsp;
  25                         Also, it must expand to a numeric value that is in the range of <i>0</i> to <i>2</i>^<i>32</i> - <i>1</i>.
  26                 </div>
  27         <h4>See Also</h4>
  28                 <ul>
  29                         <li><a href="limit_slot_count.html">BOOST_PP_LIMIT_SLOT_COUNT</a></li>
  30                         <li><a href="value.html">BOOST_PP_VALUE</a></li>
  31                 </ul>
  32         <h4>Requirements</h4>
  33                 <div>
  34                         <b>Header:</b> &nbsp;<a href="../headers/slot/slot.html">&lt;boost/preprocessor/slot/slot.hpp&gt;</a>
  35                 </div>
  36         <h4>Sample Code</h4>
  37 <div><pre>
  38 #include &lt;<a href="../headers/slot/slot.html">boost/preprocessor/slot/slot.hpp</a>&gt;
  39
  40 #define X() 4
  41
  42 #define <a href="value.html">BOOST_PP_VALUE</a> 1 + 2 + 3 + X()
  43 #include <a href="assign_slot.html">BOOST_PP_ASSIGN_SLOT</a>(1)
  44
  45 #undef X
  46
  47 <a href="slot.html">BOOST_PP_SLOT</a>(1) // expands to 10
  48 </pre></div>
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  51                 <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
  52                 </br><i>© Copyright Paul Mensonides 2002</i>
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  54         <div style="margin-left: 0px;">
  55                 <p><small>Distributed under the Boost Software License, Version 1.0. (See
  56                 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
  57                 copy at <a href=
  58                 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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