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amalloy/record.clj Secret

Created December 15, 2010 19:59
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record.clj
user=> (defrecord Obj [x] clojure.lang.IDeref (deref [this] (/ 1 0)))
user.Obj
user=> (Obj. 1)
#:user.Obj{:x 1}
user=> (deftype Obj [x] clojure.lang.IDeref (deref [this] (/ 1 0)))
user.Obj
user=> (Obj. 1)
java.lang.ArithmeticException: Divide by zero
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