Wow!!!! Awesome Sean, I dropped your code in and it worked immediately!!!! It's quite a challenge figuring out the various idioms in all these amazing languages. Thanks for clearing up my attempt at a multimethod :)
Regards, Keith On Tuesday, July 16, 2013 6:03:14 PM UTC-4, Sean Corfield wrote: > > On Tue, Jul 16, 2013 at 2:16 PM, Keith Maynard > <kpma...@gmail.com<javascript:>> > wrote: > > (defn perms > > ( [] [[]]) > > This is not pattern matching in Clojure. It defines an alternative > arity version of the function so that (perms) would return [[]]. > > > ([xs] > > > > (for [x xs p (perms (removeFirst x xs))] (cons x p)) ) > > > > ) > > You need something like this: > > (defn perms > [xs] > (if (seq xs) > (for [x xs p (perms (removeFirst x xs))] (cons x p)) > [[]])) > > -- > Sean A Corfield -- (904) 302-SEAN > An Architect's View -- http://corfield.org/ > World Singles, LLC. -- http://worldsingles.com/ > > "Perfection is the enemy of the good." > -- Gustave Flaubert, French realist novelist (1821-1880) > -- -- 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 --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
