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Bronsa/fnil.clj

Created February 14, 2012 17:28
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fnil.clj
(defn fnil [f & vals]
(fn [& args]
(apply f (loop [acc [] maybe-nils args vals vals]
(if maybe-nils
(if (nil? (first maybe-nils))
(recur (conj acc (first vals)) (next maybe-nils) (rest vals))
(recur (conj acc (first maybe-nils)) (next maybe-nils) vals))
acc)))))
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