On 21 March 2011 15:52, Jonathan Smith <jonathansmith...@gmail.com> wrote: > Here is a way that should work. > > (let [missing (gensym)] > (defn get-with-exception [map key] > (let [res (get map key missing)] > (if (= res missing) > (throw (new Exception "my-exception")) > res))))
You may be able to speed this up a tiny bit more by using identical? instead of = :-) -- 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