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

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   3                 <title>BOOST_PP_SEQ_FOR_EACH_PRODUCT_R</title>
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   8                         The <b>BOOST_PP_SEQ_FOR_EACH_PRODUCT_R</b> macro repeats a macro for each
   9                         cartesian product of several <i>seqs</i>.&nbsp; It reenters <b>BOOST_PP_FOR</b>
  10                         with maximum efficiency.
  11                 </div>
  12                 <h4>
  13                         Usage
  14                 </h4>
  15                 <div class="code">
  16                         <b>BOOST_PP_SEQ_FOR_EACH_PRODUCT_R</b>(<i>r</i>, <i>macro</i>, <i>seqs</i>)
  17                 </div>
  18                 <h4>
  19                         Arguments
  20                 </h4>
  21                 <dl>
  22                         <dt>r</dt>
  23                         <dd>
  24                                 The next available <b>BOOST_PP_FOR</b> repetition.
  25                         </dd>
  26                         <dt>macro</dt>
  27                         <dd>
  28                                 The binary macro of the form <i>macro</i>(<i>r</i>, <i>product</i>).&nbsp; This
  29                                 macro is expanded by <b>BOOST_PP_FOR_EACH_PRODUCT</b> with each cartesian
  30                                 product in <i>seqs</i>.&nbsp; It is expanded with the next available <b>BOOST_PP_FOR</b>
  31                                 repetition and a <i>seq</i> containing a cartesian product.&nbsp;
  32                         </dd>
  33                         <dt>seqs</dt>
  34                         <dd>
  35                                 A <i>seq</i> of <i>seqs</i> from which cartesian products are obtained.
  36                         </dd>
  37                 </dl>
  38                 <h4>
  39                         Remarks
  40                 </h4>
  41                 <div>
  42                         This macro is a repetition construct.&nbsp; If two <i>seqs</i> are (<i>a</i>)(<i>b</i>)(<i>c</i>)
  43                         and (<i>x</i>)(<i>y</i>)(<i>z</i>), this macro will produce the following
  44                         sequence:
  45                         <div>
  46                                 <i>macro</i>(<i>r</i>, (<i>a</i>)(<i>x</i>)) <i>macro</i>(<i>r</i>, (<i>a</i>)(<i>y</i>))
  47                                 <i>macro</i>(<i>r</i>, (<i>a</i>)(<i>z</i>)) \
  48                                 <br>
  49                                 <i>macro</i>(<i>r</i>, (<i>b</i>)(<i>x</i>)) <i>macro</i>(<i>r</i>, (<i>b</i>)(<i>y</i>))
  50                                 <i>macro</i>(<i>r</i>, (<i>b</i>)(<i>z</i>)) \
  51                                 <br>
  52                                 <i>macro</i>(<i>r</i>, (<i>c</i>)(<i>x</i>)) <i>macro</i>(<i>r</i>, (<i>c</i>)(<i>y</i>))
  53                                 <i>macro</i>(<i>r</i>, (<i>c</i>)(<i>z</i>))
  54                         </div>
  55                 </div>
  56                 <h4>
  57                         See Also
  58                 </h4>
  59                 <ul>
  60                         <li>
  61                                 <a href="seq_for_each_product.html">BOOST_PP_SEQ_FOR_EACH_PRODUCT</a></li>
  62                 </ul>
  63                 <h4>
  64                         Requirements
  65                 </h4>
  66                 <div>
  67                         <b>Header:</b> &nbsp;<a href="../headers/seq/for_each_product.html">&lt;boost/preprocessor/seq/for_each_product.hpp&gt;</a>
  68                 </div>
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  70         <div style="margin-left: 0px;">
  71                 <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
  72                 </br><i>© Copyright Paul Mensonides 2002</i>
  73         </div>
  74         <div style="margin-left: 0px;">
  75                 <p><small>Distributed under the Boost Software License, Version 1.0. (See
  76                 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
  77                 copy at <a href=
  78                 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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