(def fib-seq ((fn rfib [a b] (lazy-seq (cons a (rfib b (+ a b))))) 0 1)) user> (take 20 fib-seq) (0 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597 2584 ...
確定！ 回上一頁
