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oranenj/gist:58262

Created February 4, 2009 18:46
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gistfile1.clj
(defn side-effector [f interval aseq]
(let [counter (atom 0)
work (fn [item]
(swap! counter inc)
(when (= @counter interval)
(f item)
(swap! counter (fn [_] 0))
item))]
(for [x aseq] (work x))))
(side-effector #(println "Hooray, I have " %) 2 '(1 2 3 4 5 6 7 8))
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