refer to clojure.set in 04
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@ -1,5 +1,6 @@
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(ns koans.04-sets
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(:require [koan-engine.core :refer :all]))
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(:require [koan-engine.core :refer :all]
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[clojure.set :as set]))
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(meditations
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"You can create a set by converting another collection"
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@ -12,10 +13,10 @@
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(= __ (set '(1 1 2 2 3 3 4 4 5 5)))
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"You can ask clojure for the union of two sets"
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(= __ (clojure.set/union #{1 2 3 4} #{2 3 5}))
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(= __ (set/union #{1 2 3 4} #{2 3 5}))
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"And also the intersection"
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(= __ (clojure.set/intersection #{1 2 3 4} #{2 3 5}))
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(= __ (set/intersection #{1 2 3 4} #{2 3 5}))
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"But don't forget about the difference"
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(= __ (clojure.set/difference #{1 2 3 4 5} #{2 3 5})))
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(= __ (set/difference #{1 2 3 4 5} #{2 3 5})))
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