blob: 63df90aa83674dd1a3b1832b0ae2d2b4f4590803 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
<html>
<head>
<meta content="text/html; charset=windows-1252" http-equiv="content-type">
<title>BOOST_PP_TUPLE_POP_BACK</title>
<link rel="stylesheet" type="text/css" href="../styles.css">
</head>
<body>
<div style="margin-left: 0px;"> The <b>BOOST_PP_TUPLE_POP_BACK</b> macro
pops an element from the end of an <i>tuple</i>.</div>
<h4>Usage</h4>
<div class="code"> <b>BOOST_PP_TUPLE_POP_BACK</b>(<i>tuple</i>) <a href="../topics/variadic_macros.html#VNotation"><sup>(v)</sup></a></div>
<h4>Arguments</h4>
<dl>
<dt>tuple</dt>
<dd>The <i>tuple</i> to pop an element from.</dd>
</dl>
<h4>Remarks</h4>
<div style="background-color: white;"> This macro returns <i>tuple</i>
after removing the last element. If <i>tuple</i> has only a single
element, it remains unchanged since a <i>tuple </i>must have at
least one element.</div>
<div> This macro uses <b>BOOST_PP_REPEAT</b> internally. Therefore,
to use the <i>z</i> parameter passed from other macros that use <b>BOOST_PP_REPEAT</b>,
see <b>BOOST_PP_TUPLE_POP_BACK_Z</b> </div>
<h4>See Also</h4>
<ul>
<li><a href="tuple_pop_back_z.html">BOOST_PP_TUPLE_POP_BACK_Z</a></li>
</ul>
<h4>Requirements</h4>
<div> <b>Header:</b> <a href="../headers/tuple/pop_back.html"><boost/preprocessor/tuple/pop_back.hpp></a>
</div>
<h4>Sample Code</h4>
<div>
<pre>#include <<a href="../headers/tuple/pop_back.html">boost/preprocessor/tuple/pop_back.hpp</a>>
#define TUPLE (a, b, c)
<a href="tuple_pop_back.html">BOOST_PP_TUPLE_POP_BACK</a>(TUPLE) // expands to (a, b)
</pre></div>
<hr size="1">
<div style="margin-left: 0px;"> <i>© Copyright Edward Diener 2013</i> </div>
<div style="margin-left: 0px;">
<p><small>Distributed under the Boost Software License, Version 1.0. (See
accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a>
or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
</div>
</body>
</html>
|