如何从Clojure中的列表中获取随机项？

Question

如果我有一个列表如下:

["apples" "pears" "oranges"]

从这里获取随机物品的最简单方法是什么？

Answer 1

兰德应该做的伎俩:

user> (rand-nth ["apples" "pears" "oranges"])
"pears"
user> (rand-nth ["apples" "pears" "oranges"])
"oranges"
user> (rand-nth ["apples" "pears" "oranges"])
"oranges"