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[SVN r15198]
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Paul Mensonides
2002-09-08 09:40:56 +00:00
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commit cdc4be5256
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<html>
<head>
<title>BOOST_PP_NIL</title>
<link rel="stylesheet" type="text/css" href="../styles.css">
<script language="javascript" type="text/javascript" src="../scripts.js"></script>
</head>
<body onload="init('sample');">
<div style="margin-left: 0px;">
The <b>BOOST_PP_NIL</b> identifier is reserved by the library to indicate a non-macro.
</div>
<h4>Usage</h4>
<div class="code">
<b>BOOST_PP_NIL</b>
</div>
<h4>Remarks</h4>
<div>
This identifier is <i>not</i> defined.&nbsp;
Its purpose is to <i>not be a macro</i>.&nbsp;
It is also used to terminate a <i>list</i>.
</div>
<h4><a class="local" onclick="toggle('sample');" onmouseover="change(this);" onmouseout="revert(this);">Sample Code</a></h4>
<div id="sample"><pre>
#include &lt;boost/preprocessor/list/adt.hpp&gt;
#define LIST (x, (y, (z, BOOST_PP_NIL)))
BOOST_PP_LIST_FIRST(x) // expands to x
BOOST_PP_LIST_REST(x) // expands to (y, (z, BOOST_PP_NIL))
<pre></div>
</body>
</html>