[r6rs-discuss] multiple values and mathematicians

[Thomas Lord]

On Fri, 2009-02-20 at 11:03 -0600, Grant Rettke wrote:
> On Fri, Feb 20, 2009 at 5:15 AM, Derick Eddington
> <derick.eddington at gmail.com> wrote:
> > I like returning `(values)' for things which logically return no value,
> > because it seems robust in the spirit of "detect errors as soon as
> > possible" if such things are accidentally used at a continuation that
> > takes a value.
> 
> It seems like part of learning Scheme is internalizing the notion that
> every procedure secretly has a continuation passed to it, and that is
> how we can understand that the result of the last expression is
> "returned" (iow applied to the secret continuation). Additionally we
> need this to visualize how call/cc works.
> 
> That said, I wonder what is the rationale for leaving the result of
> passing multiple values to a continuation unspecified when it is a
> function like any other?


I think you have the essence of the thing right.  Prof. Harvey
isn't right on this one, imo.

"Goto [with parameters] considered ... "
-t





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