Boost.Preprocessor

#define BOOST_PP_LIST_AT(LIST,INDEX)

Expands to the INDEX:th element of the list LIST. The first element is at index 0.

For example,

BOOST_PP_LIST_AT(BOOST_PP_TUPLE_TO_LIST(3,(A,B,C)),1)

expands to B.

Test

• list_test.cpp

#define BOOST_PP_LIST_AT_D(D,LIST,INDEX)

Can be used inside BOOST_PP_WHILE() (see for an explanation of the D parameter).

Revised

© Copyright Housemarque Oy 2002

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