On 17 November 2010 12:37, <lprefonta...@softaddicts.ca> wrote:

> user=> (time (filter identity [ nil 1 2 nil 4]))
> "Elapsed time: 0.053219 msecs"
> (1 2 4)
>
> user=> (time (remove nil? [ nil 1 2 nil 4]))
> "Elapsed time: 0.065092 msecs"
> (1 2 4)
>
> Choose the flavor your prefer...
>
> Luc P.
>

Those aren't exactly equivalent:

user> (filter identity [1 2 false 3 nil 4])
(1 2 3 4)
user> (remove nil? [1 2 false 3 nil 4])
(1 2 false 3 4)

Regards,
Stuart

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