func PR(f string, a ...interface{}) {
if d { return }
fmt.Fprintf(os.Stderr, f, a...)
}
Add appropriate imports.
> On Nov 30, 2019, at 12:08 PM, minfo...@arcor.de wrote:
>
> C allows comma-separated argument lists via variadic macros. Whereas AFAIK
> golang allows only variadic arguments of the same type.
> (Please excuse if I am wrong, I am considering myself a golang newbie)
>
> C demo program that prints: -- -- 1 and 1 1 and 1
>
> // ###### C variadic macro test
>
> #include <stdio.h>
>
> #define PR(...) if(df){printf(__VA_ARGS__);\
> if(ef)fprintf(stderr,__VA_ARGS__);}
>
> // Flags
> int df=1, ef=1;
>
> int main(void) {
> PR("-- ");
> PR("%d and %d ",df,ef);
> }
>
> // ###### End
>
> How would one implement an equivalent PR(...) "function" in Go ???
>
>
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