Hi, you can return always a vector.
(fn [] [true]) (fn [] [true {:foo 12}]) And then use destructuring on the return value. (let [[value annotations] (...)] (when annotations ..)) 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