Re: Testing whether a list contains at least one non-nil element

[Emanuel Berg]

Joost Kremers wrote:

>> I would like to test whether a list contains at least one
>> non-nil element? If I do that, then I would be able to
>> continue a loop where a non-nil element would mean that
>> a match was found.
>
> (seq-some (lambda (e) (not (null e))) mylist)
>
> or shorter:
>
> (not (seq-every-p #'null mylist))

Nope, at least the way I understood the question where the
loop would continue at that position, but actually anyway
those are not as good as

(cl-position-if-not #'null '(nil nil)) ; nil
(cl-position-if-not #'null '(nil   2)) ;   1

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