Yes it is indeed cool but it suffers from the same problem as the juxt
version (as Tassillo mentioned)...they are both very elegant and
succinct but unfortunately slow for large sequences. The group-by
version and the doseq version are way faster...also, there is a
reducer-based filter if you want go parallel...
you asked where to find this funciton... a couple of places actually :)
http://clojuredocs.org/clojure_contrib/clojure.contrib.seq-utils/separate
http://richhickey.github.com/clojure-contrib/seq-utils-api.html
HTH,
Jim
On 04/04/13 19:12, Christian Romney wrote:
On Thursday, April 4, 2013 12:13:13 PM UTC-4, Jim foo.bar wrote:
there is a separate fn in contrib and does exactly what you want
(assuming you don't care about the 2 passes):
(defn separate
"Returns a vector:
[ (filter f s), (filter (complement f) s) ]"
[f s]
[(filter f s) (filter (complement f) s)])
Very cool—where can I find this? I ask because there may be other
goodies I should be aware of...
I also like Tassilo's version using juxt. It's great to see the same
problem solved different ways.
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