On Mar 9, 10:55 am, Dirk Vleugels <dirk.vleug...@gmail.com> wrote:

> (defn extract [ s i ]
>    (conj [] (nth s i) (nth s (inc i)) (nth s (inc (inc i)))))

(defn extract [s i] (subvec (vec s) i (+ i 3)))

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