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

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   3         <title>BOOST_PP_SEQ_ELEM</title>
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   8                         The <b>BOOST_PP_SEQ_ELEM</b> macro extracts an element from a <i>seq</i>.
   9                 </div>
  10                 <h4>
  11                         Usage
  12                 </h4>
  13                 <div class="code">
  14                         <b>BOOST_PP_SEQ_ELEM</b>(<i>i</i>, <i>seq</i>)
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  16                 <h4>
  17                         Arguments
  18                 </h4>
  19                 <dl>
  20                         <dt>i</dt>
  21                         <dd>
  22                                 The zero-based index of the element to be extracted.
  23                         </dd>
  24                         <dt>seq</dt>
  25                         <dd>
  26                                 The <i>seq</i> from which an element is to be extracted.
  27                         </dd>
  28                 </dl>
  29                 <h4>
  30                         Remarks
  31                 </h4>
  32                 <div>
  33                         The index <i>i</i> must be in the range of <i>0</i> to <b>BOOST_PP_SEQ_SIZE</b>(<i>seq</i>)
  34                         - <i>1</i>.
  35                 </div>
  36                 <h4>
  37                         Requirements
  38                 </h4>
  39                 <div>
  40                         <b>Header:</b> &nbsp;<a href="../headers/seq/elem.html">&lt;boost/preprocessor/seq/elem.hpp&gt;</a>
  41                 </div>
  42                 <h4>
  43                         Sample Code
  44                 </h4>
  45                 <div>
  46                         <pre>#include &lt;<a href="../headers/seq/elem.html">boost/preprocessor/seq/elem.hpp</a>&gt;<br><br><a href="seq_elem.html">BOOST_PP_SEQ_ELEM</a>(1, (a)(b)(c)) // expands to b<br><br>#define SEQ \<br>   (0)(1)(2)(3)(4)(5)(6)(7)(8)(9) \<br>   (10)(11)(12)(13)(14)(15)(16)(17)(18)(19) \<br>   (20)(21)(22)(23)(24)(25)(26)(27)(28)(29) \<br>   (30)(31)(32)(33)(34)(35)(36)(37)(38)(39) \<br>   (40)(41)(42)(43)(44)(45)(46)(47)(48)(49) \<br>   (50)(51)(52)(53)(54)(55)(56)(57)(58)(59) \<br>   (60)(61)(62)(63)(64)(65)(66)(67)(68)(69) \<br>   (70)(71)(72)(73)(74)(75)(76)(77)(78)(79) \<br>   (80)(81)(82)(83)(84)(85)(86)(87)(88)(89) \<br>   (90)(91)(92)(93)(94)(95)(96)(97)(98)(99) \<br>   /**/<br><br><a href="seq_elem.html">BOOST_PP_SEQ_ELEM</a>(88, SEQ) // expands to 88<br></pre>
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  50                 <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
  51                 <br><i>© Copyright Paul Mensonides 2002</i>
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  53         <div style="margin-left: 0px;">
  54                 <p><small>Distributed under the Boost Software License, Version 1.0. (See
  55                 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
  56                 copy at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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