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kaosf/clojure-exists-pred.clj

Created February 15, 2014 08:26
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clojure-exists-pred.clj
(defn exists? [l x]
(> (.indexOf l x) -1))
(require '[clojure.test :refer :all])
(testing "exists?"
(is (exists? [1 2 3] 1))
(is (exists? [1 2 3] 2))
(is (not (exists? [1 2 3] 0))))
; ref. http://stackoverflow.com/questions/3249334/test-whether-a-list-contains-a-specific-value-in-clojure
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