81021 chousuke ;C-style... not very common (defn my-map [f coll] (map (fn [item] (send-off (agent nil) (fn [_] (f item)))) coll) ) ) ; below is traditional style: (defn my-map [f coll] (map (fn [item] (send-off (agent nil) (fn [_] (f item)))) coll))) 3452591295 #clojure None TRUE