模拟nth函数Write a function which returns the Nth element from a sequence.(= (__ '(4 5 6 7) 2) 6)(= (__ [:a :b :c] 0) :a)(= (__ [1 2 3 4] 1) 2)(= (__ '([1 2] [3 4] [5 6]) 2) [5 6])用递归试了下可以通过(fn d [seq x] (if (> x 0) (d (rest seq) (dec [更多>>]
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评论：4clojure 题解 Nth Element
模拟nth函数Write a function which returns the Nth element from a sequence.(= (__ '(4 5 6 7) 2) 6)(= (__ [:a :b :c] 0) :a)(= (__ [1 2 3 4] 1) 2)(= (__ '([1 2] [3 4] [5 6]) 2) [5 6])用递归试了下可以通过(fn d [seq x] (if (> x 0) (d (rest seq) (dec [更多>>]