(defn filter-collecting [predicate collector & lists] (for [v (apply map vector lists) :when (apply predicate v)] (apply collector v)))
On Fri, Aug 14, 2009 at 10:22 PM, Jarkko Oranen <chous...@gmail.com> wrote: > > > > On Aug 14, 10:51 pm, Sean Devlin <francoisdev...@gmail.com> wrote: > > I'd start with you usage docs > > > > ;; usage: > > ;; (filter-collecting > > ;; (fn [x y] (< x y)) > > ;; (fn [x y] (+ x y)) > > ;; [1 7 3 9] > > ;; [5 5 5 5]) > > ;; ==> (6 8) > > ;; usage: > ;; (filter-collecting < + > ;; [1 7 3 9] > ;; [5 5 5 5]) > ;; ==> (6 8) > > (defn filter-collecting [c f & seqs] > (remove nil? > (apply map (fn [& args] (when (apply c args) > (apply f args))) > seqs))) > > -- > Jarkko > > > -- Professional: http://cgrand.net/ (fr) On Clojure: http://clj-me.blogspot.com/ (en) --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---