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Created Mar 6, 2015
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(def xs (sort (repeatedly 30 #(rand-int 20))))
(def ys (sort (repeatedly 25 #(rand-int 20))))
(defn merge-sorted-seqs
[xs ys]
(lazy-seq (cond
(empty? xs) (seq ys)
(empty? ys) (seq xs)
:else (let [x (first xs) y (first ys)]
(if (<= x y)
(cons x (merge-sorted-seqs (rest xs) ys))
(cons y (merge-sorted-seqs xs (rest ys))))))))
;; If you then want to process equal elements together:
(partition-by identity (merge-sorted-seqs xs ys))
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