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<html>
<head>
<title>BOOST_PP_SEQ_PUSH_FRONT</title>
<link rel="stylesheet" type="text/css" href="../styles.css">
</head>
<body>
<div style="margin-left: 0px;">
The <b>BOOST_PP_SEQ_PUSH_FRONT</b> macro pushes an element onto the beginning
of a <i>seq</i>.
</div>
<h4>
Usage
</h4>
<div class="code">
<b>BOOST_PP_SEQ_PUSH_FRONT</b>(<i>seq</i>, <i>elem</i>)
</div>
<h4>
Arguments
</h4>
<dl>
<dt>seq</dt>
<dd>
The <i>seq</i> onto which <i>elem</i> is pushed.
</dd>
<dt>elem</dt>
<dd>
The element to push onto the beginning of <i>seq</i>.
</dd>
</dl>
<h4>
Remarks
</h4>
<div>
This macro returns <i>seq</i> after prepending <i>elem</i>.
</div>
<div>
This macro is an explicit form of directly prepending an element. In
other words, <b>BOOST_PP_SEQ_PUSH_FRONT</b>(<i>seq</i>, <i>x</i>) is equivalent
to (<i>x</i>)<i>seq</i>.
</div>
<h4>
See Also
</h4>
<ul>
<li>
<a href="seq_push_back.html">BOOST_PP_SEQ_PUSH_BACK</a></li>
</ul>
<h4>
Requirements
</h4>
<div>
<b>Header:</b> <a href="../headers/seq/push_front.html"><boost/preprocessor/seq/push_front.hpp></a>
</div>
<h4>
Sample Code
</h4>
<div>
<pre>
#include <<a href="../headers/seq/push_front.html">boost/preprocessor/seq/push_front.hpp</a>>
#define SEQ (b)(c)
<a href="seq_push_front.html">BOOST_PP_SEQ_PUSH_FRONT</a>(SEQ, a) // expands to (a)(b)(c)
</pre>
</div>
</body>
</html>
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