[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Scheme-reports] "unspecified values"

On Fri 20 May 2011 16:28, John Cowan <cowan@x> writes:

> Per Bothner scripsit:
>> In Kawa set! returns no values.  I think this makes the REPL nicer:
>> set!, define, and similar forms return no values, which prints out as
>> nothing.
> Every R5RS-compliant Scheme I know of does effectively the same thing:
> it returns a distinguished value which the P part of the REPL ignores.
> There was a discussion of standardizing this value, but the the WG
> decided not to.

I think that Per is saying that if `set!' returns no values, then there
is nothing for P to ignore.


Scheme-reports mailing list