unfold

5calore

1risposta

Il Clojure si è "aperto"?

(defn unfold [step seed] (if-let [[val new-seed] (step seed)] (cons val (lazy-seq (unfold step new-seed))) nil)) Esempio utilizzo: (defn fib-step [[x y]] [x [y (+ x y)]]) (take 10 (u

clojure lazy-sequences unfold 2015-12-16

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