On Oct 16, 2008, at 3:26 PM, Paul Stadig wrote:
> OK. Then next question.
>
> Is there some reason we don't have a "remove the nils" function in
> the 'clojure namespace?
>
> Something like (filter #(identity %) coll) works, but would it be
> possible to add a 'squeeze or 'compact function so we could do
> something like (apply max (compact coll))?
#(identity %) is more compactly written as: identity.
This works:
user=> (apply max (filter identity '(1 2 nil 4)))
4
In this case, number? is also a good predicate to use:
user=> (apply max (filter number? '(1 2 nil 4)))
4
--Steve
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