Why not use a constraint? It looks much cleaner. (defn hello [& {:keys [a b] :as input}] {:pre [(= (set (keys input)) #{:a :b})]} "hello")
You can learn more about constraints here: http://vimeo.com/channels/fulldisclojure#8399758 -- 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