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[SVN r16152]
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Paul Mensonides
2002-11-08 02:12:35 +00:00
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<html>
<head>
<title>BOOST_PP_SEQ_REPLACE</title>
<link rel="stylesheet" type="text/css" href="../styles.css">
</head>
<body>
<div style="margin-left: 0px;">
The <b>BOOST_PP_SEQ_REPLACE</b> macro replaces an element in a <i>seq</i>.
</div>
<h4>
Usage
</h4>
<div class="code">
<b>BOOST_PP_SEQ_RPLACE</b>(<i>seq</i>, <i>i</i>, <i>elem</i>)
</div>
<h4>
Arguments
</h4>
<dl>
<dt>seq</dt>
<dd>
The <i>seq</i> in which an element is to be replaced.
</dd>
<dt>i</dt>
<dd>
The zero-based position in <i>seq</i> of the element to be replaced.&nbsp;
Valid values range from <i>0</i> to <b>BOOST_PP_SEQ_SIZE</b>(<i>seq</i>) - <i>1</i>.
</dd>
<dt>elem</dt>
<dd>
The element to replace the element at index <i>i</i> within <i>seq</i>.
</dd>
</dl>
<h4>
Remarks
</h4>
<div>
This macro returns <i>seq</i> after replacing the element at index <i>i</i> with
<i>elem</i>.
</div>
<h4>
Requirements
</h4>
<div>
<b>Header:</b> &nbsp;<a href="../headers/seq/replace.hpp.html">&lt;boost/preprocessor/seq/replace.hpp&gt;</a>
</div>
<h4>
Sample Code
</h4>
<div>
<pre>
#include &lt;<a href="../headers/seq/replace.hpp.html">boost/preprocessor/seq/replace.hpp</a>&gt;
#define SEQ (a)(b)(x)(d)
<a href="seq_replace.html">BOOST_PP_SEQ_REPLACE</a>(SEQ, 2, c) // expands to (a)(b)(c)(d)
</pre>
</div>
</body>
</html>