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amalloy/*scratch*

Created September 1, 2011 19:27
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*scratch*
(defn merge-seqs [seqs]
(lazy-seq
(when-let [seqs (seq (keep seq seqs))]
(let [seq-vec (vec seqs)
idx (apply min-key (comp first seq-vec) (range (count seqs)))]
(cons (first (get seq-vec idx))
(merge-seqs (update-in seq-vec [idx] rest)))))))
Raw
scratch
(defn merge-seqs [seqs]
(lazy-seq
(when-let [seqs (seq (keep seq seqs))]
(let [seq-vec (vec seqs)
idx (apply min-key (comp first seq-vec) (range (count seqs)))]
(cons (first (get seq-vec idx))
(merge-seqs (update-in seq-vec [idx] rest)))))))
user> (merge-seqs [[1 2 34 10] [2 5 18]])
(1 2 2 5 18 34 10)
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