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philipschwarz/multimethods.clj

Created February 3, 2015 23:44
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multimethods.clj
(defmulti area
"Calculate the area of a shape"
:type)
(defmethod area :rectangle [shape]
(* (:length shape) (:width shape)))
(defmethod area :circle [shape]
(* (. Math PI) (:radius shape) (:radius shape)))
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