MSVC workaround.

This commit is contained in:
Victor Zverovich 2014-06-28 11:36:49 -07:00
parent 3b18ecb24a
commit e4c2475318

View File

@ -2177,12 +2177,13 @@ inline void FormatDec(char *&buffer, T value) {
#define FMT_CONCATENATE1(arg1, arg2) FMT_CONCATENATE2(arg1, arg2)
#define FMT_CONCATENATE2(arg1, arg2) arg1##arg2
// This is used to work around VC++ bugs in handling variadic macros.
#define FMT_EXPAND(args) args
// Returns the number of arguments.
// Based on https://groups.google.com/forum/#!topic/comp.std.c/d-6Mj5Lko_s.
#define FMT_NARG(...) FMT_NARG_(__VA_ARGS__, FMT_RSEQ_N())
#define FMT_NARG_(...) FMT_ARG_N(__VA_ARGS__)
#define FMT_NARG_(...) FMT_EXPAND(FMT_ARG_N(__VA_ARGS__))
#define FMT_ARG_N(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N
#define FMT_RSEQ_N() 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0