1<html> 2<head> 3 <title>BOOST_PP_LIST_CAT</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_CAT</b> macro concatenates all elements in a <i>list</i>. 9 </div> 10 <h4>Usage</h4> 11 <div class="code"> 12 <b>BOOST_PP_LIST_CAT</b>(<i>list</i>) 13 </div> 14 <h4>Arguments</h4> 15 <dl> 16 <dt>list</dt> 17 <dd> 18 The <i>list</i> whose elements are to be concatenated. 19 </dd> 20 </dl> 21 <h4>Remarks</h4> 22 <div> 23 Elements are concatenated left-to-right starting with index <i>0</i>. 24 </div> 25 <div> 26 Previously, this macro could not be used inside <b>BOOST_PP_WHILE</b>. 27 There is no longer any such restriction. 28 It is more efficient, however, to use <b>BOOST_PP_LIST_CAT_D</b> in such a situation. 29 </div> 30 <h4>See Also</h4> 31 <ul> 32 <li><a href="list_cat_d.html">BOOST_PP_LIST_CAT_D</a></li> 33 </ul> 34 <h4>Requirements</h4> 35 <div> 36 <b>Header:</b> <a href="../headers/list/cat.html"><boost/preprocessor/list/cat.hpp></a> 37 </div> 38 <h4>Sample Code</h4> 39<div><pre> 40#include <<a href="../headers/list/cat.html">boost/preprocessor/list/cat.hpp</a>> 41 42#define LIST (a, (b, (c, <a href="nil.html">BOOST_PP_NIL</a>))) 43 44<a href="list_cat.html">BOOST_PP_LIST_CAT</a>(LIST) // expands to abc 45</pre></div> 46 <hr size="1"> 47 <div style="margin-left: 0px;"> 48 <i>� Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> 49 </br><i>� Copyright Paul Mensonides 2002</i> 50 </div> 51 <div style="margin-left: 0px;"> 52 <p><small>Distributed under the Boost Software License, Version 1.0. (See 53 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or 54 copy at <a href= 55 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 56 </div> 57</body> 58</html> 59