there is find-first in contrib (find-first #(not (nil? %)) sol)
On May 27, 3:12 pm, Meikel Brandmeyer <m...@kotka.de> wrote: > Hi, > > Am Freitag, 27. Mai 2011 15:56:47 UTC+2 schrieb MarisO: > > > > > To find first defined Option in scala I do this: > > > sol.find(_.isDefined).getOrElse(None) > > > I managed to do the same in clojure: > > > (some #(if (nil? %) false %) sol) > > > Is there a better way ? > > Another way: (first (keep identity coll)). > > user=> (first (keep identity [nil false 1 2 3])) > false > user=> (first (keep identity [nil 1 2 3])) > 1 > user=> (first (keep identity [nil nil nil])) > nil > user=> (first (keep identity [])) > nil > > If your collection does never contain false, you can simply use (some > identity coll). > > Sincerely > Meikel -- 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
