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dryman/gist:2650855

Created May 10, 2012 03:27
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Power Set
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gistfile1.clj
(defn power-set [lst]
(if (seq lst)
(clojure.set/union
(apply hash-set (for [x (next lst)] #{(first lst) x}))
(power-set (next lst)))
#{#{}}))
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