Re: [Boost-users] [preprocessor] How to transform sequence into sequence of tuples.

How would I go about doing the following transformation:

(a)(b)(c)(d) -> (a, b)(c, d)

Although, you probably could use BOOST_PP_SEQ_FOR_EACH, the easiest way is to use sequence iteration instead:     #define ADJACENT_SEQ_TO_TUPLE(seq) BOOST_PP_CAT(ADJACENT_SEQ_TO_TUPLE_1 seq, _END)     #define ADJACENT_SEQ_TO_TUPLE_0(x) x ADJACENT_SEQ_TO_TUPLE_2     #define ADJACENT_SEQ_TO_TUPLE_1(x) , x ADJACENT_SEQ_TO_TUPLE_2     #define ADJACENT_SEQ_TO_TUPLE_2(x) x ADJACENT_SEQ_TO_TUPLE_1     #define ADJACENT_SEQ_TO_TUPLE_0_END     #define ADJACENT_SEQ_TO_TUPLE_1_END     #define ADJACENT_SEQ_TO_TUPLE_2_END