2018-04-30T06:55:36Z||2018-04-30T06:55:36Z
var nums = [4, 9, 3, 2, 4, 7, 6, 10, 1] nums.sort(by: <) print(nums) nums.sort(by: >) print(nums)
输出:
[1, 2, 3, 4, 4, 6, 7, 9, 10] [10, 9, 7, 6, 4, 4, 3, 2, 1]