On Fri, May 27, 2011 at 16:03, Ulises <ulises.cerv...@gmail.com> wrote:
> You could use identity as a predicate to filter:
>
> user=> (def s [nil nil 1 2 3])
> #'user/s
> user=> (first (filter identity s))
> 1
> user=>

(first (filter identity [nil false :oops])) --> :oops

false is not nil.

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