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kindlychung/array.clj Secret

Created May 7, 2015 21:28
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array.clj
(defn array-sum [^ints xs]
(loop [index 0 acc 0]
(if (< index (alength xs))
(recur (unchecked-inc index) (+ acc (aget xs index)))
acc)))
(time (array-sum (into-array (range 400))))
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CompilerException java.lang.ClassCastException: [Ljava.lang.Long; cannot be cast to [I, compiling:(/Users/kaiyin/personal_config_bin_files/workspace/cina/src/cina/ref_types.clj:1:24)

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