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lib cleanup

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[SVN r15693]
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Paul Mensonides
2002-10-03 22:13:37 +00:00
parent ae584c68b2
commit 4bb690a819
263 changed files with 14965 additions and 16 deletions
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<html>
<head>
<title>BOOST_PP_NIL</title>
<link rel="stylesheet" type="text/css" href="../styles.css">
</head>
<body>
<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>Sample Code</h4>
<div><pre>
#include &lt;<a href="../headers/list/adt.hpp.html">boost/preprocessor/list/adt.hpp</a>&gt;
#define LIST (x, (y, (z, <a href="nil.html">BOOST_PP_NIL</a>)))
<a href="list_first.html">BOOST_PP_LIST_FIRST</a>(x) // expands to x
<a href="list_rest.html">BOOST_PP_LIST_REST</a>(x) // expands to (y, (z, <a href="nil.html">BOOST_PP_NIL</a>))
</pre></div>
</body>
</html>