Files
boost_preprocessor/doc/ref/set_replace.html

48 lines
1.3 KiB
HTML
Raw Normal View History

2002-10-13 05:47:23 +00:00
<html>
<head>
<title>BOOST_PP_SET_REPLACE</title>
<link rel="stylesheet" type="text/css" href="../styles.css">
</head>
<body>
<div style="margin-left: 0px;">
The <b>BOOST_PP_SET_REPLACE</b> macro replaces an element in a <i>set</i>.
</div>
<h4>Usage</h4>
<div class="code">
<b>BOOST_PP_SET_RPLACE</b>(<i>set</i>, <i>i</i>, <i>elem</i>)
</div>
<h4>Arguments</h4>
<dl>
<dt>set</dt>
<dd>
The <i>set</i> in which an element is to be replaced.
</dd>
<dt>i</dt>
<dd>
The zero-based position in <i>set</i> of the element to be replaced.&nbsp;
Valid values range from <i>0</i> to <b>BOOST_PP_SET_SIZE</b>(<i>set</i>) - <i>1</i>.
</dd>
<dt>elem</dt>
<dd>
The element to replace the element at index <i>i</i> within <i>set</i>.
</dd>
</dl>
<h4>Remarks</h4>
<div>
This macro returns <i>set</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/set/replace.hpp.html">&lt;boost/preprocessor/set/replace.hpp&gt;</a>
</div>
<h4>Sample Code</h4>
<div><pre>
#include &lt;<a href="../headers/set/replace.hpp.html">boost/preprocessor/set/replace.hpp</a>&gt;
#define SET (a)(b)(x)(d)
<a href="set_replace.html">BOOST_PP_SET_REPLACE</a>(SET, 2, c) // expands to (a)(b)(c)(d)
</pre></div>
</body>
</html>