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unionx/reduction1.clj

Created December 3, 2012 22:19
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4clojure #60
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reduction1.clj
(fn reduction1
([f col]
(reduction1 f (f (first col)) (rest col)))
([f val col]
(if (empty? col)
(list val)
(cons val (lazy-seq (reduction1 f (f val (first col)) (rest col)))))))
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