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/rotate-base

Created March 16, 2013 17:02
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rotate-base
(defmacro rotate-base [code]
`(fn [piece]
(let [s (dec (count piece))]
(map #(let [[x y] %] ~code) piece))))
(rotate-base '(list y (- s x)))
(rotate-base '(list (- s y) x))
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