Capturing caller's file/line number in variadic template functions

[Adam D. Ruppe]

On Friday, 16 March 2012 at 18:21:54 UTC, H. S. Teoh wrote:
> 	void checkConsistency(T...)(T args, string file=__FILE__,
> 		size_t line=__LINE__) { ... }
>
> but this causes compile errors because when C==string, then the 
> call is
> ambiguous.
>
> Is there an easy of working around this?

Put the string file = blaha in the template argument list,
before the variadic.

voic checkConsistency(string file = __FILE__, int line = 
__LINE__, T...)(T t) {