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

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   3                 <title>BOOST_PP_SEQ_FOR_EACH_I_R</title>
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   8                         The <b>BOOST_PP_SEQ_FOR_EACH_I_R</b> macro repeats a macro for each element in
   9                         a <i>seq</i>.&nbsp; It reenters <b>BOOST_PP_FOR</b> with maximum efficiency.
  10                 </div>
  11                 <h4>
  12                         Usage
  13                 </h4>
  14                 <div class="code">
  15                         <b>BOOST_PP_SEQ_FOR_EACH_I_R</b>(<i>r</i>, <i>macro</i>, <i>data</i>, <i>seq</i>)
  16                 </div>
  17                 <h4>
  18                         Arguments
  19                 </h4>
  20                 <dl>
  21                         <dt>r</dt>
  22                         <dd>
  23                                 The next available <b>BOOST_PP_FOR</b> repetition.
  24                         </dd>
  25                         <dt>macro</dt>
  26                         <dd>
  27                                 A macro of the form <i>macro</i>(<i>r</i>, <i>data</i>, <i>i</i>, <i>elem</i>).&nbsp;
  28                                 This macro is expanded by <b>BOOST_PP_SEQ_FOR_EACH_I</b> with each element in <i>seq</i>.&nbsp;
  29                                 It is expanded with the next available <b>BOOST_PP_FOR</b> repetition, the
  30                                 auxiliary <i>data</i>, the index of the current element, and the current
  31                                 element.
  32                         </dd>
  33                         <dt>data</dt>
  34                         <dd>
  35                                 Auxiliary data passed to <i>macro</i>.
  36                         </dd>
  37                         <dt>seq</dt>
  38                         <dd>
  39                                 The <i>seq</i> for which <i>macro</i> will be invoked on each element.
  40                         </dd>
  41                 </dl>
  42                 <h4>
  43                         Remarks
  44                 </h4>
  45                 <div>
  46                         This macro is a repetition construct.&nbsp; If <i>seq</i> is (<i>a</i>)(<i>b</i>)(<i>c</i>),
  47                         it expands to the sequence:
  48                         <div>
  49                                 <i>macro</i>(<i>r</i>, <i>data</i>, <i>0</i>, <i>a</i>) <i>macro</i>(<i>r</i>, <i>data</i>,
  50                                 <i>1</i>, <i>b</i>) <i>macro</i>(<i>r</i>, <i>data</i>, <i>2</i>, <i>c</i>)
  51                         </div>
  52                 </div>
  53                 <h4>
  54                         See Also
  55                 </h4>
  56                 <ul>
  57                         <li>
  58                                 <a href="seq_for_each_i.html">BOOST_PP_SEQ_FOR_EACH_I</a></li>
  59                 </ul>
  60                 <h4>
  61                         Requirements
  62                 </h4>
  63                 <div>
  64                         <b>Header:</b> &nbsp;<a href="../headers/seq/for_each_i.html">&lt;boost/preprocessor/seq/for_each_i.hpp&gt;</a>
  65                 </div>
  66         <hr size="1">
  67         <div style="margin-left: 0px;">
  68                 <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
  69                 </br><i>© Copyright Paul Mensonides 2002</i>
  70         </div>
  71         <div style="margin-left: 0px;">
  72                 <p><small>Distributed under the Boost Software License, Version 1.0. (See
  73                 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
  74                 copy at <a href=
  75                 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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