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2002-01-31 15:36:01 +00:00
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<H1>#include &lt;<a href="../../../../boost/preprocessor/tuple/elem.hpp">boost/preprocessor/tuple/elem.hpp</a>&gt;</H1>
<hr>
<H2><a name="BOOST_PP_TUPLE_ELEM">#define BOOST_PP_TUPLE_ELEM</a>(N,I,T)</H2>
<P>Expands to the I:th element of an N-tuple.</P>
<P>For example,</P>
<PRE>
<a href="tuple_elem.htm#BOOST_PP_TUPLE_ELEM">BOOST_PP_TUPLE_ELEM</a>(2,1,(A,B))
</PRE>
<P>expands to B.</P>
<P>Tuples can be used for representing structured data.</P>
<P>Examples of tuples:</P>
<PRE>
2-tuple: (A, B)
3-tuple: (1, 2, 3)
4-tuple: (A B C, D, EF, 34)
</PRE>
<H3>See</H3>
<UL>
<LI><a href="limits.htm#BOOST_PP_LIMIT_TUPLE">BOOST_PP_LIMIT_TUPLE</a>
</UL>
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<H2><a name="BOOST_PREPROCESSOR_TUPLE_ELEM">#define BOOST_PREPROCESSOR_TUPLE_ELEM</a>(N,I,T)</H2>
<P>Obsolete. Use <a href="tuple_elem.htm#BOOST_PP_TUPLE_ELEM">BOOST_PP_TUPLE_ELEM</a>().</P>
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<p>(C) Copyright Housemarque Oy 2002</p>
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