| Brian Silverman | f27e085 | 2018-08-04 23:56:45 -0700 | [diff] [blame^] | 1 | <html> |
| 2 | <head> |
| 3 | <title>BOOST_PP_SEQ_HEAD</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_SEQ_HEAD</b> macro expands to the first element in a <i>seq</i>. |
| 9 | </div> |
| 10 | <h4> |
| 11 | Usage |
| 12 | </h4> |
| 13 | <div class="code"> |
| 14 | <b>BOOST_PP_SEQ_HEAD</b>(<i>seq</i>) |
| 15 | </div> |
| 16 | <h4> |
| 17 | Arguments |
| 18 | </h4> |
| 19 | <dl> |
| 20 | <dt>seq</dt> |
| 21 | <dd> |
| 22 | The <i>seq</i> from which the first element is extracted. |
| 23 | </dd> |
| 24 | </dl> |
| 25 | <h4> |
| 26 | See Also |
| 27 | </h4> |
| 28 | <ul> |
| 29 | <li> |
| 30 | <a href="seq_tail.html">BOOST_PP_SEQ_TAIL</a></li> |
| 31 | </ul> |
| 32 | <h4> |
| 33 | Requirements |
| 34 | </h4> |
| 35 | <div> |
| 36 | <b>Header:</b> <a href="../headers/seq/seq.html"><boost/preprocessor/seq/seq.hpp></a> |
| 37 | </div> |
| 38 | <h4> |
| 39 | Sample Code |
| 40 | </h4> |
| 41 | <div> |
| 42 | <pre> |
| 43 | #include <<a href="../headers/seq/seq.html">boost/preprocessor/seq/seq.hpp</a>> |
| 44 | |
| 45 | #define SEQ (a)(b)(c) |
| 46 | |
| 47 | <a href="seq_head.html">BOOST_PP_SEQ_HEAD</a>(SEQ) // expands to a |
| 48 | <a href="seq_tail.html">BOOST_PP_SEQ_TAIL</a>(SEQ) // expands to (b)(c) |
| 49 | </pre> |
| 50 | </div> |
| 51 | <hr size="1"> |
| 52 | <div style="margin-left: 0px;"> |
| 53 | <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> |
| 54 | </br><i>© Copyright Paul Mensonides 2002</i> |
| 55 | </div> |
| 56 | <div style="margin-left: 0px;"> |
| 57 | <p><small>Distributed under the Boost Software License, Version 1.0. (See |
| 58 | accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or |
| 59 | copy at <a href= |
| 60 | "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> |
| 61 | </div> |
| 62 | </body> |
| 63 | </html> |