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Re: [Scheme-reports] "unspecified values"
Alaric Snell-Pym scripsit:
> Perhaps what should happen, to encourage people to Do It Right The First
> Time, is to have some syntax to capture the values of an expression as
> some opaque object, and another to return those values.
That would be:
((values-of x) (call-with-values (lambda () x) list))))
(define (unwrap-values v) (apply values v))
Add opacity at your pleasure.
John Cowan cowan@x http://www.ccil.org/~cowan
Dievas dave dantis; Dievas duos duonos --Lithuanian proverb
Deus dedit dentes; deus dabit panem --Latin version thereof
Deity donated dentition;
deity'll donate doughnuts --English version by Muke Tever
God gave gums; God'll give granary --Version by Mat McVeagh
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