- #define OVERLOAD_(F,_9,_8,_7,_6,_5,_4,_3,_2,_1,n,...) F##_##n
- #define OVERLOAD(F, ...) OVERLOAD_(F,__VA_ARGS__,9,8,7,6,5,4,3,2,1)(__VA_ARGS__)
+ #define EMPTY()
+ #define DEFER(id) id EMPTY()
+
+ #define EVAL(...) EVAL1(EVAL1(EVAL1(__VA_ARGS__)))
+ #define EVAL1(...) EVAL2(EVAL2(EVAL2(__VA_ARGS__)))
+ #define EVAL2(...) EVAL3(EVAL3(EVAL3(__VA_ARGS__)))
+ #define EVAL3(...) EVAL4(EVAL4(EVAL4(__VA_ARGS__)))
+ #define EVAL4(...) EVAL5(EVAL5(EVAL5(__VA_ARGS__)))
+ #define EVAL5(...) __VA_ARGS__
+
+ #define OVERLOAD___(F,_16,_15,_14,_13,_12,_11,_10,_9,_8,_7,_6,_5,_4,_3,_2,_1,n,...) F##_##n
+ #define OVERLOAD__(F, ...) OVERLOAD___(F,##__VA_ARGS__,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
+ #define OVERLOAD_(...) DEFER(OVERLOAD__(__VA_ARGS__))
+ #define OVERLOAD(F, ...) OVERLOAD_(F,##__VA_ARGS__)(__VA_ARGS__)