###  | # Boost.Preprocessor ## Reference

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# #include <boost/preprocessor/tuple/elem.hpp>

## #define BOOST_PP_TUPLE_ELEM(N,I,T)

Expands to the `I`:th element of an `N`-tuple.

For example,

      BOOST_PP_TUPLE_ELEM(2,1,(A,B))

expands to `B`.

Tuples can be used for representing structured data.

Examples of tuples:

      2-tuple: (A, B)
      3-tuple: (1, 2, 3)
      4-tuple: (A B C, D, EF, 34)

### See

- BOOST_PP_LIMIT_TUPLE

## #define BOOST_PREPROCESSOR_TUPLE_ELEM(N,I,T)

Obsolete. Use BOOST_PP_TUPLE_ELEM().

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Revised

© Copyright Housemarque Oy 2002

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