Paul Eggert wrote:
> It's not just Stroustrup saying this: it's deeply embedded in several
> programming languages, e.g., the "_" anonymous identifier in ML, Prolog,
> Go, and Rust.
... and this use of the '_' identifier makes Prolog programs unmaintainable.
> > Maybe we should have a way to declare that a function is meant to be an
> > implementation of a function type / API ?
>
> There is a way to do that in C. In the .h file you do something like this:
>
> typedef int desired_API(char *);
>
> and in client code you do this:
>
> desired_API f;
> int
> f (char *p)
> {
> ...
> }
Interesting; thanks for mentioning it.
> I suppose that if GCC had a compiler switch saying "warn about
> unused arguments only if the function has not already been declared that
> way", that would remove some of the need for the UNNAMED gingerbread.
> Not sure how well that'd go over with the GCC folks, though.
Will you report it in the GCC bug tracker, or should I do that?
Bruno
