What's wrong with (map + [31 41 59 26] (iterate inc 1)) ?
(use 'clojure.contrib.seq-utils)
(defn sliding-window [coll size]
(let [idx (into {} (indexed coll))]
(map #(vals (select-keys idx (range (- % size) (+ % size 1))))
(range (count coll)))))
This is the same as your second example if order isn't important.
Someone else might be able to come up with something better. Do you
have any more/better use cases?
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