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<html>
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<head>
<title>BOOST_PP_SEQ_FOR_EACH_R</title>
<link rel="stylesheet" type="text/css" href="../styles.css">
</head>
<body>
<div style="margin-left: 0px;">
The <b>BOOST_PP_SEQ_FOR_EACH_R</b> macro repeats a macro for each element in a <i>seq</i>.&nbsp;
It reenters <b>BOOST_PP_FOR</b> with maximum efficiency.
</div>
<h4>
Usage
</h4>
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<div class="code">
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<b>BOOST_PP_SEQ_FOR_EACH_R</b>(<i>r</i>, <i>macro</i>, <i>data</i>, <i>seq</i>)
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</div>
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<h4>
Arguments
</h4>
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<dl>
<dt>r</dt>
<dd>
The next available <b>BOOST_PP_FOR</b> repetition.
</dd>
<dt>macro</dt>
<dd>
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A ternary macro of the form <i>macro</i>(<i>r</i>, <i>data</i>, <i>elem</i>).&nbsp;
This macro is expanded by <b>BOOST_PP_SEQ_FOR_EACH</b> with each element in <i>seq</i>.&nbsp;
It is expanded with the next available <b>BOOST_PP_FOR</b> repetition, the
auxiliary <i>data</i>, and the current element.
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</dd>
<dt>data</dt>
<dd>
Auxiliary data passed to <i>macro</i>.
</dd>
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<dt>seq</dt>
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<dd>
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The <i>seq</i> for which <i>macro</i> will be invoked on each element.
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</dd>
</dl>
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<h4>
Remarks
</h4>
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<div>
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This macro is a repetition construct.&nbsp; If <i>seq</i> is (<i>a</i>)(<i>b</i>)(<i>c</i>),
it expands to the sequence:
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<div>
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<i>macro</i>(<i>r</i>, <i>data</i>, <i>a</i>) <i>macro</i>(<i>r</i>, <i>data</i>,
<i>b</i>) <i>macro</i>(<i>r</i>, <i>data</i>, <i>c</i>)
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</div>
</div>
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<h4>
See Also
</h4>
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<ul>
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<li>
<a href="seq_for_each.html">BOOST_PP_SEQ_FOR_EACH</a></li>
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</ul>
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<h4>
Requirements
</h4>
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<div>
<b>Header:</b> &nbsp;<a href="../headers/seq/for_each.html">&lt;boost/preprocessor/seq/for_each.hpp&gt;</a>
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</div>
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</body>
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</html>