1<html> 2<head> 3 <title>BOOST_PP_LIST_ENUM</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_ENUM</b> macro converts a <i>list</i> to a comma-separated list. 9 </div> 10 <h4>Usage</h4> 11 <div class="code"> 12 <b>BOOST_PP_LIST_ENUM</b>(<i>list</i>) 13 </div> 14 <h4>Arguments</h4> 15 <dl> 16 <dt>list</dt> 17 <dd> 18 The <i>list</i> to be converted. 19 </dd> 20 </dl> 21 <h4>Remarks</h4> 22 <div> 23 If <i>list</i> is, for example, (<i>a</i>, (<i>b</i>, (<i>c</i>, <b>BOOST_PP_NIL</b>))), 24 this macro will produce: 25 <div> 26 <i>a</i>, <i>b</i>, <i>c</i> 27 </div> 28 </div> 29 <div> 30 Previously, this macro could not be used inside <b>BOOST_PP_FOR</b>. 31 There is no longer any such restriction. 32 It is more efficient, however, to use <b>BOOST_PP_LIST_ENUM_R</b> in such a situation. 33 </div> 34 <h4>See Also</h4> 35 <ul> 36 <li><a href="list_enum_r.html">BOOST_PP_LIST_ENUM_R</a></li> 37 </ul> 38 <h4>Requirements</h4> 39 <div> 40 <b>Header:</b> <a href="../headers/list/enum.html"><boost/preprocessor/list/enum.hpp></a> 41 </div> 42 <h4>Sample Code</h4> 43<div><pre> 44#include <<a href="../headers/list/enum.html">boost/preprocessor/list/enum.hpp</a>> 45 46#define LIST (w, (x, (y, (z, <a href="nil.html">BOOST_PP_NIL</a>)))) 47 48<a href="list_enum.html">BOOST_PP_LIST_ENUM</a>(LIST) // expands to w, x, y, z 49</pre></div> 50 <hr size="1"> 51 <div style="margin-left: 0px;"> 52 <i>� Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> 53 </br><i>� Copyright Paul Mensonides 2002</i> 54 </div> 55 <div style="margin-left: 0px;"> 56 <p><small>Distributed under the Boost Software License, Version 1.0. (See 57 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or 58 copy at <a href= 59 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 60 </div> 61</body> 62</html> 63