| /* | |
| * These tricks are taken from | |
| * http://efesx.com/2010/07/17/variadic-macro-to-count-number-of-arguments/ | |
| * and | |
| * http://efesx.com/2010/08/31/overloading-macros/ | |
| */ | |
| #define VA_NUM_ARGS(...) VA_NUM_ARGS_IMPL(__VA_ARGS__, 5,4,3,2,1) | |
| #define VA_NUM_ARGS_IMPL(_1,_2,_3,_4,_5,N,...) N | |
| #define macro_dispatcher(func, ...) \ | |
| macro_dispatcher_(func, VA_NUM_ARGS(__VA_ARGS__)) | |
| #define macro_dispatcher_(func, nargs) \ | |
| macro_dispatcher__(func, nargs) | |
| #define macro_dispatcher__(func, nargs) \ | |
| func ## nargs |