Eli Zaretskii <eliz@gnu.org> schrieb am Sa., 19. März 2016 um 17:33 Uhr:

> > From: Philipp Stephani <p.stephani2@gmail.com>
> > Date: Sat, 19 Mar 2016 16:30:30 +0000
> > Cc: michael_heerdegen@web.de, emacs-devel@gnu.org
> >
> >  No, that's not g's arity:
> >
> >  (g 10 202 30) => error -> "Wrong number of arguments"
> >
> > This cannot be detected without evaluating the function.
>
> Are we discussing the usefulness of the function, or are we discussing
> how best to implement it?
>

We are discussing for which cases it can be implemented. It can be
implemented and would be useful for a wide range of functions, such as
those defined with defun. It cannot be implemented for functions like g;
that's just a limitation we have to live with.