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| <title>BOOST_PP_SEQ_HEAD</title> |
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| The <b>BOOST_PP_SEQ_HEAD</b> macro expands to the first element in a <i>seq</i>. |
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| Usage |
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| <div class="code"> |
| <b>BOOST_PP_SEQ_HEAD</b>(<i>seq</i>) |
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| Arguments |
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| <dl> |
| <dt>seq</dt> |
| <dd> |
| The <i>seq</i> from which the first element is extracted. |
| </dd> |
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| <h4> |
| See Also |
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| <ul> |
| <li> |
| <a href="seq_tail.html">BOOST_PP_SEQ_TAIL</a></li> |
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| <h4> |
| Requirements |
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| <b>Header:</b> <a href="../headers/seq/seq.html"><boost/preprocessor/seq/seq.hpp></a> |
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| <h4> |
| Sample Code |
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| <pre> |
| #include <<a href="../headers/seq/seq.html">boost/preprocessor/seq/seq.hpp</a>> |
| |
| #define SEQ (a)(b)(c) |
| |
| <a href="seq_head.html">BOOST_PP_SEQ_HEAD</a>(SEQ) // expands to a |
| <a href="seq_tail.html">BOOST_PP_SEQ_TAIL</a>(SEQ) // expands to (b)(c) |
| </pre> |
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| <hr size="1"> |
| <div style="margin-left: 0px;"> |
| <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> |
| </br><i>© Copyright Paul Mensonides 2002</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> |
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