# Boost.Preprocessor - Reference

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# Boost.Preprocessor

## Reference

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

## #define BOOST_PP_TUPLE_EAT(SIZE_OF_TUPLE)

Expands to a macro that eats a tuple of the specified size.

BOOST_PP_TUPLE_EAT() is designed to be used with BOOST_PP_IF() like BOOST_PP_EMPTY().

For example,

      BOOST_PP_IF(0,BOOST_PP_ENUM_PARAMS,BOOST_PP_TUPLE_EAT(2))(10,P)

expands to nothing.

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Revised

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