On Dec 3, 2007 4:19 PM, Andreas Fuchs <[EMAIL PROTECTED]> wrote:
> On Dec 3, 2007, at 16:51, Andreas Fuchs wrote:
> > <multiple-value-or.patch>
>
> Eek, fe[nl]ix told me about a brain fart in that patch: I am using
> apply #'values instead of values-list. Here's an updated patch:
Thank you! Merged, but as NTH-VALUE-OR instead, as it seems to represent
the intention better. In my mind MULTIPLE-VALUE-OR would be something
like
(values-list (or (every #'identity (multiple-value-list form1))
...)
or maybe
(values-list (or (let ((values (multiple-value-list form1)))
(and (car values) values))
...))
Also: perhaps we should return only N first values from all but the last
form? That would allow implementation without consing up a values list
for each form.
Are there cases where one wants N+M values, but tests only the Nth one?
Cheers,
-- Nikodemus
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