forked from boostorg/preprocessor
32 lines
976 B
HTML
32 lines
976 B
HTML
<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.
|
|
Its purpose is to <i>not be a macro</i>.
|
|
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 <boost/preprocessor/list/adt.hpp>
|
|
|
|
#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>
|