You are using it incorrectly. Separate returns a vector of things that
match, and a vector of things that don't match. Every time you call
the function it matches against a different random number. Take a look
at rand-elt in clojure.contrib.seq-utils.
Maybe the docstring for separate should say that fn should be side-
effect-free...
Stu
ok, the following works as expected.
user> (separate (fn [n]
(= n 2))
'(1 2 3 4 5))
[(2) (1 3 4 5)]
now, I want to randomly select a number from '(1 2 3 4 5), I change
the function to the following, and the result is NOT expected.
user> (separate (fn [n]
(= n (inc (int (rand 5)))))
'(1 2 3 4 5))
[() (2 3 4)]
Is it a bug in the separate function or do I use it incorrectly?
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