diff --git a/ev_macros.h b/ev_macros.h index 3a515fc..14cdf6a 100644 --- a/ev_macros.h +++ b/ev_macros.h @@ -115,6 +115,15 @@ #define EV_VA_ARGS_ARG_N(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, N, ...) N #define EV_VA_ARGS_RSEQ_N() 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 +/*! + * \brief Similar functionality to `__VA_OPT__` + * Used as follows: + * ```c + * #define TEST(...) EV_VA_OPT(__VA_ARGS__)("Not ")"Empty" + * ``` + */ +#define EV_VA_OPT(...) __EV_MACRO_IF_ELSE(__EV_MACRO_NOT(EV_VA_ARGS_NARG(__VA_ARGS__)))() + /*! * \brief Calls the passed macro for each element. * \note Maximum number of elements to iterate over is 64 elements.