forked from boostorg/preprocessor
74 lines
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74 lines
2.3 KiB
HTML
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<title>Boost.Preprocessor - Reference</title>
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<body bgcolor="#FFFFFF" link="#0000ff" vlink="#800080">
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"header">
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<h3><a href="../../../../index.htm"><img height="86" width="277" alt="C++ Boost" src="../../../../c++boost.gif" border="0"></a></h3>
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<h1 align="center">Boost.Preprocessor</h1>
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<h2 align="center">Reference</h2>
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<a href="tuple_eat.htm">Prev</a> <a href="tuple_reverse.htm">Next</a> <a href="index.htm#Macros">Macros</a> <a href="index.htm#Headers">Headers</a>
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<h1>#include <<a href="../../../../boost/preprocessor/tuple/elem.hpp">boost/preprocessor/tuple/elem.hpp</a>></h1>
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<h2><a name="BOOST_PP_TUPLE_ELEM">#define BOOST_PP_TUPLE_ELEM</a>(N,I,T)</h2>
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<p>Expands to the <code>I</code>:th element of an <code>N</code>-tuple.</p>
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<p>For example,</p>
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<pre>
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<a href="tuple_elem.htm#BOOST_PP_TUPLE_ELEM">BOOST_PP_TUPLE_ELEM</a>(2,1,(A,B))
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</pre>
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<p>expands to <code>B</code>.</p>
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<p>Tuples can be used for representing structured data.</p>
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<p>Examples of tuples:</p>
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<pre>
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2-tuple: (A, B)
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3-tuple: (1, 2, 3)
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4-tuple: (A B C, D, EF, 34)
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</pre>
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<h3>See</h3>
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<ul>
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<li><a href="limits.htm#BOOST_PP_LIMIT_TUPLE">BOOST_PP_LIMIT_TUPLE</a></li>
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</ul>
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<hr>
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<h2><a name="BOOST_PREPROCESSOR_TUPLE_ELEM">#define BOOST_PREPROCESSOR_TUPLE_ELEM</a>(N,I,T)</h2>
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<p>Obsolete. Use <a href="tuple_elem.htm#BOOST_PP_TUPLE_ELEM">BOOST_PP_TUPLE_ELEM</a>().</p>
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<hr>
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<a href="tuple_eat.htm">Prev</a> <a href="tuple_reverse.htm">Next</a> <a href="index.htm#Macros">Macros</a> <a href="index.htm#Headers">Headers</a>
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<p>Revised <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %b %Y" startspan --><!--webbot bot="Timestamp" endspan i-checksum="15246" --></p>
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<p><i>© Copyright <a href="http://www.housemarque.com">Housemarque Oy</a> 2002</i></p>
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<p><i>Permission to copy, use, modify, sell and distribute this document is granted
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provided this copyright notice appears in all copies. This document is provided
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"as is" without express or implied warranty, and with no claim as to its suitability
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for any purpose.</i></p>
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</body></html>
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