Re: seq-some-p and nil

[Mark Oteiza]

Stefan Monnier <address@hidden> writes:

>>> If the function is not supposed to return non-nil if an element is
>>> matched but the element itself, then would it be ok? OTOH there would be
>>> again no way to differentiate between no element found and nil being
>>> found in the sequence.
>
> Returning what FUN returned seems like a better choice.
>
> If you need the element matched, then you can simply arrange for FUN
> to return the element.

Or have a function which returns the matching ELT and have seq-some and
friends use said function and apply PRED to its return value.