Re: [Scheme-reports] "unspecified values" Jim Rees (19 May 2011 18:51 UTC)
Re: [Scheme-reports] "unspecified values" Emmanuel Medernach (19 May 2011 19:50 UTC)
Re: [Scheme-reports] "unspecified values" Per Bothner (20 May 2011 07:42 UTC)
Re: [Scheme-reports] "unspecified values" John Cowan (20 May 2011 14:32 UTC)
Re: [Scheme-reports] "unspecified values" Andy Wingo (20 May 2011 15:19 UTC)
Re: [Scheme-reports] "unspecified values" John Cowan (20 May 2011 15:48 UTC)
Re: [Scheme-reports] "unspecified values" Andy Wingo (20 May 2011 16:02 UTC)
Re: [Scheme-reports] "unspecified values" Per Bothner (20 May 2011 16:02 UTC)
Re: [Scheme-reports] "unspecified values" Aaron W. Hsu (20 May 2011 16:35 UTC)
Re: [Scheme-reports] "unspecified values" Alex Shinn (20 May 2011 16:56 UTC)
Re: [Scheme-reports] "unspecified values" Jim Rees (20 May 2011 17:02 UTC)
Re: [Scheme-reports] "unspecified values" Andre van Tonder (20 May 2011 17:20 UTC)
Re: [Scheme-reports] "unspecified values" John Cowan (20 May 2011 20:03 UTC)
Re: [Scheme-reports] "unspecified values" Alaric Snell-Pym (23 May 2011 10:49 UTC)
Re: [Scheme-reports] "unspecified values" John Cowan (23 May 2011 15:50 UTC)
Re: [Scheme-reports] "unspecified values" Aaron W. Hsu (23 May 2011 22:50 UTC)
Re: [Scheme-reports] "unspecified values" Alaric Snell-Pym (23 May 2011 10:05 UTC)
Re: [Scheme-reports] "unspecified values" Andy Wingo (19 May 2011 21:42 UTC)

Re: [Scheme-reports] "unspecified values" Alex Shinn 20 May 2011 16:56 UTC

On Fri, May 20, 2011 at 9:35 AM, Aaron W. Hsu <arcfide@sacrideo.us> wrote:
> On Fri, 20 May 2011 12:02:04 -0400, Per Bothner <per@bothner.com> wrote:
>
>> But there is an elegance to doing it this way: If the REPL prints out all
>> the values of multiple values, then doing nothing when there are no
>> values
>> doesn't even require special casing.
>
> Indeed, I see no reason why an implementation should not be able to return
> no values when there are no "useful" values to consider, and R6RS moved
> *away* from overspecifying this to allow implementation to return as many
> different values as they felt like doing. I've mentioned before that this
> seems to be a much better thing than to force a single value.
>
> However, the votes came in and R5RS' semantics won out.

By the way, "me toos" matter on this list (from non-group members).

We won't arbitrarily revisit decisions we've already made,
but if a new argument is raised (not so in this case) or
enough people complain (not yet in this case), we can
re-open the ticket.

--
Alex

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