1<html> 2<head> 3 <title>BOOST_PP_NIL</title> 4 <link rel="stylesheet" type="text/css" href="../styles.css"> 5</head> 6<body> 7 <div style="margin-left: 0px;"> 8 The <b>BOOST_PP_NIL</b> identifier is reserved by the library to indicate a non-macro. 9 </div> 10 <h4>Usage</h4> 11 <div class="code"> 12 <b>BOOST_PP_NIL</b> 13 </div> 14 <h4>Remarks</h4> 15 <div> 16 This identifier is <i>not</i> defined. 17 Its purpose is to <i>not be a macro</i>. 18 It is also used to terminate a <i>list</i>. 19 </div> 20 <h4>Sample Code</h4> 21<div><pre> 22#include <<a href="../headers/list/adt.html">boost/preprocessor/list/adt.hpp</a>> 23 24#define LIST (x, (y, (z, <a href="nil.html">BOOST_PP_NIL</a>))) 25 26<a href="list_first.html">BOOST_PP_LIST_FIRST</a>(x) // expands to x 27<a href="list_rest.html">BOOST_PP_LIST_REST</a>(x) // expands to (y, (z, <a href="nil.html">BOOST_PP_NIL</a>)) 28</pre></div> 29 <hr size="1"> 30 <div style="margin-left: 0px;"> 31 <i>� Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> 32 </br><i>� Copyright Paul Mensonides 2002</i> 33 </div> 34 <div style="margin-left: 0px;"> 35 <p><small>Distributed under the Boost Software License, Version 1.0. (See 36 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or 37 copy at <a href= 38 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 39 </div> 40</body> 41</html> 42