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| <title>BOOST_PP_SEQ_ELEM</title> |
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| The <b>BOOST_PP_SEQ_ELEM</b> macro extracts an element from a <i>seq</i>. |
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| <h4> |
| Usage |
| </h4> |
| <div class="code"> |
| <b>BOOST_PP_SEQ_ELEM</b>(<i>i</i>, <i>list</i>) |
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| <h4> |
| Arguments |
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| <dl> |
| <dt>i</dt> |
| <dd> |
| The zero-based index of the element to be extracted. |
| </dd> |
| <dt>seq</dt> |
| <dd> |
| The <i>seq</i> from which an element is to be extracted. |
| </dd> |
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| <h4> |
| Remarks |
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| The index <i>i</i> must be in the range of <i>0</i> to <b>BOOST_PP_SEQ_SIZE</b>(<i>seq</i>) |
| - <i>1</i>. |
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| <h4> |
| Requirements |
| </h4> |
| <div> |
| <b>Header:</b> <a href="../headers/seq/elem.html"><boost/preprocessor/seq/elem.hpp></a> |
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| <h4> |
| Sample Code |
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| <div> |
| <pre> |
| #include <<a href="../headers/seq/elem.html">boost/preprocessor/seq/elem.hpp</a>> |
| |
| <a href="seq_elem.html">BOOST_PP_SEQ_ELEM</a>(1, (a)(b)(c)) // expands to b |
| |
| #define SEQ \ |
| (0)(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)(49) \ |
| (50)(51)(52)(53)(54)(55)(56)(57)(58)(59) \ |
| (60)(61)(62)(63)(64)(65)(66)(67)(68)(69) \ |
| (70)(71)(72)(73)(74)(75)(76)(77)(78)(79) \ |
| (80)(81)(82)(83)(84)(85)(86)(87)(88)(89) \ |
| (90)(91)(92)(93)(94)(95)(96)(97)(98)(99) \ |
| /**/ |
| |
| <a href="seq_elem.html">BOOST_PP_SEQ_ELEM</a>(88, SEQ) // expands to 88 |
| </pre> |
| </div> |
| <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> |
| </div> |
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| </html> |
