#define EMPTY() #define EVAL(...) EVAL1024(__VA_ARGS__) #define EVAL1024(...) EVAL512(EVAL512(__VA_ARGS__)) #define EVAL512(...) EVAL256(EVAL256(__VA_ARGS__)) #define EVAL256(...) EVAL128(EVAL128(__VA_ARGS__)) #define EVAL128(...) EVAL64(EVAL64(__VA_ARGS__)) #define EVAL64(...) EVAL32(EVAL32(__VA_ARGS__)) #define EVAL32(...) EVAL16(EVAL16(__VA_ARGS__)) #define EVAL16(...) EVAL8(EVAL8(__VA_ARGS__)) #define EVAL8(...) EVAL4(EVAL4(__VA_ARGS__)) #define EVAL4(...) EVAL2(EVAL2(__VA_ARGS__)) #define EVAL2(...) EVAL1(EVAL1(__VA_ARGS__)) #define EVAL1(...) __VA_ARGS__ #define DEFER1(m) m EMPTY() #define RECURSE() I am recursive, look: DEFER1(_RECURSE)()() #define _RECURSE() RECURSE #define MAP(m, first, ...) m(first) DEFER1(_MAP)()(m, __VA_ARGS__) #define _MAP() MAP #define GREET(x) Hello, x! EVAL8(MAP(GREET, Mum, Dad, Adam, Joe))