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hyone/gist:997565

Created May 29, 2011 08:21
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Accumulator by Clojure
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gistfile1.clj
(defn accumulator [n]
(let [i (atom n)]
(fn [x] (swap! i + x))))
;; user> (doseq [i (range 1 6)] (-> i (* 2) acc println))
;; 2
;; 6
;; 12
;; 20
;; 30
;; nil
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