]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | <html> |
2 | <head> | |
3 | <title>BOOST_PP_LIST_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_LIST_NIL</b> macro is a nil <i>list</i> constructor. | |
9 | </div> | |
10 | <h4>Usage</h4> | |
11 | <div class="code"> | |
12 | <b>BOOST_PP_LIST_NIL</b> | |
13 | </div> | |
14 | <h4>Remarks</h4> | |
15 | <div> | |
16 | This macro represents the end of a <i>list</i>. | |
17 | </div> | |
18 | <div> | |
19 | This macro is no longer necessary. | |
20 | It simply expands to <b>BOOST_PP_NIL</b>. | |
21 | Because of this, this macro is deprecated. | |
22 | </div> | |
23 | <h4>See Also</h4> | |
24 | <ul> | |
25 | <li><a href="nil.html">BOOST_PP_NIL</a></li> | |
26 | </ul> | |
27 | <h4>Requirements</h4> | |
28 | <div> | |
29 | <b>Header:</b> <a href="../headers/list/adt.html"><boost/preprocessor/list/adt.hpp></a> | |
30 | </div> | |
31 | <h4>Sample Code</h4> | |
32 | <div><pre> | |
33 | #include <<a href="../headers/list/adt.html">boost/preprocessor/list/adt.hpp</a>> | |
34 | ||
35 | #define OLD \ | |
36 | <a href="list_cons.html">BOOST_PP_LIST_CONS</a>( \ | |
37 | a, \ | |
38 | <a href="list_cons.html">BOOST_PP_LIST_CONS</a>( \ | |
39 | b, \ | |
40 | <a href="list_cons.html">BOOST_PP_LIST_CONS</a>( \ | |
41 | c, \ | |
42 | <a href="list_nil.html">BOOST_PP_LIST_NIL</a> \ | |
43 | ) \ | |
44 | ) \ | |
45 | ) \ | |
46 | /**/ | |
47 | ||
48 | #define NEW (a, (b, (c, <a href="nil.html">BOOST_PP_NIL</a>))) | |
49 | ||
50 | <a href="list_first.html">BOOST_PP_LIST_FIRST</a>(OLD) == <a href="list_first.html">BOOST_PP_LIST_FIRST</a>(NEW) | |
51 | // expands to a == a | |
52 | ||
53 | <a href="list_rest.html">BOOST_PP_LIST_REST</a>(OLD) == <a href="list_rest.html">BOOST_PP_LIST_RESTK</a>(NEW) | |
54 | // expands to (b, (c, <a href="nil.html">BOOST_PP_NIL</a>)) == (b, (c, <a href="nil.html">BOOST_PP_NIL</a>)) | |
55 | </pre></div> | |
56 | <hr size="1"> | |
57 | <div style="margin-left: 0px;"> | |
58 |