On Nov 28, 5:36 pm, Takahiro Hozumi <fat...@googlemail.com> wrote: > Which style do you like?
This one: > (defn dec-or-dissoc! [key] > (dosync > (alter *counts* > (fn [m] > (let [n (m key)] > (if (< 1 n) > (assoc m key (dec n)) > (dissoc m key))))))) I like to avoid deref'ing inside alter, instead relying on the value passed in to the altering function. The other one looks more like imperative code. -S -- 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