#ifndef FUNCTIONAL_H
#define FUNCTIONAL_H

#define MAP(f, ...) EVAL(OVERLOAD(MAP, f, __VA_ARGS__))
#define MAP_2(f, it) f(it)
#define MAP_3(f, it, ...) f(it)MAP_2(f, __VA_ARGS__)
#define MAP_4(f, it, ...) f(it)MAP_3(f, __VA_ARGS__)
#define MAP_5(f, it, ...) f(it)MAP_4(f, __VA_ARGS__)
#define MAP_6(f, it, ...) f(it)MAP_5(f, __VA_ARGS__)
#define MAP_7(f, it, ...) f(it)MAP_6(f, __VA_ARGS__)
#define MAP_8(f, it, ...) f(it)MAP_7(f, __VA_ARGS__)
#define MAP_9(f, it, ...) f(it)MAP_8(f, __VA_ARGS__)
#define MAP_10(f, it, ...) f(it)MAP_9(f, __VA_ARGS__)
#define MAP_11(f, it, ...) f(it)MAP_10(f, __VA_ARGS__)
#define MAP_12(f, it, ...) f(it)MAP_11(f, __VA_ARGS__)
#define MAP_13(f, it, ...) f(it)MAP_12(f, __VA_ARGS__)
#define MAP_14(f, it, ...) f(it)MAP_13(f, __VA_ARGS__)
#define MAP_15(f, it, ...) f(it)MAP_14(f, __VA_ARGS__)
#define MAP_16(f, it, ...) f(it)MAP_15(f, __VA_ARGS__)
#define MAP_17(f, it, ...) f(it)MAP_16(f, __VA_ARGS__)
#define MAP_18(f, it, ...) f(it)MAP_17(f, __VA_ARGS__)
#define MAP_19(f, it, ...) f(it)MAP_18(f, __VA_ARGS__)
#define MAP_20(f, it, ...) f(it)MAP_19(f, __VA_ARGS__)

#define IDENTITY(it) it

#define UNWORDS(...) MAP(IDENTITY, __VA_ARGS__)

#define APPLY(f, ...) f(__VA_ARGS__)

#ifdef SVQC
    #define SV(f, ...) f(__VA_ARGS__)
#else
    #define SV(f, ...)
#endif

#ifdef CSQC
    #define CL(f, ...) f(__VA_ARGS__)
#else
    #define CL(f, ...)
#endif

#define IF(cond, f, ...) cond(f, __VA_ARGS__)

#endif