[EMAIL PROTECTED] writes:
> On Sat, Jul 22, 2006 at 11:19:28AM -0500, Jon Wilson wrote:
>> Hi,
>> Is there a good way to determine the number of arguments that a given
>> procedure will take?
>
> Here's a fishing rod ;-)
>
> | [EMAIL PROTECTED]:~$ guile
> | guile> (apropos "arity")
> | (ice-9 session): arity #<procedure arity (obj)>
> | guile> (arity apropos)
> | 1 or more arguments: `rgx', the rest in `options'.
> | guile>
And if you're not keen on parsing arity's output, see its definition
in (ice-9 session) for the procedure properties that it queries to
produce this.
>> Also, on an unrelated note, is it possible to define values (as in (lambda
>> () (values 1 2)) ) in terms of McCarthy's original seven lisp primitives?
>> Or would this question be better asked somewhere else (like c.l.scheme)?
Yes, sounds to me like a question for c.l.scheme.
Regards,
Neil
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