On May 23, 9:21 pm, Michael Gardner <gardne...@gmail.com> wrote: > I need to use a predicate to divide one list into two, one containing all > values for which the predicate is true, and the other with all remaining > values. I can do this easily by filtering twice, once with the predicate and > once with its complement, but is there some core or contrib function that > will do this more directly and efficiently? I'm not sure what the best way to > search for something like this would be.
AFAIK there's nothing clojure.core that does this, but clojure.contrib.seq-utils - http://richhickey.github.com/clojure-contrib/branch-1.1.x/seq-utils-api.html - has group-by: user> (use 'clojure.contrib.seq-utils) nil user> (group-by even? [1 2 3 4 5 6]) {false [1 3 5], true [2 4 6]} -- 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