On Feb 18, 10:51 pm, Stuart Halloway <stuart.hallo...@gmail.com>
wrote:
> 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.
Yes, the problem is solved by first binding the result of the random
number, before applying it inside #'separate, as follows, thanks
user> (let [rand-num (inc (int (rand 5)))]
(separate (fn [n]
(= n rand-num))
'(1 2 3 4 5)))
[(4) (1 2 3 5)]
> Maybe the docstring for separate should say that fn should be side-
> effect-free...
I concur.
--
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to clojure@googlegroups.com
Note that posts from new members are moderated - please be patient with your
first post.
To unsubscribe from this group, send email to
clojure+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/clojure?hl=en
