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ihodes/SimpleRPN.clj

Created August 7, 2010 16:56
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SimpleRPN.clj
(defn rpn
[& exprs]
(cond (one? (count exprs)) (first exprs)
(zero? (count exprs)) 0
:else
(let [nums (take-while number? exprs)
etc (drop (count nums) exprs)
op (first etc)]
(recur (cons (apply op nums)
(rest etc))))))
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