删除排序数组中的重复项

[Clear2]

// 原地修改数组
func removeDuplicates(nums []int) int {
	if len(nums) == 0 {
		return 0
	}
	var i = 0;
	for j := 1; j < len(nums); j++ {
		if (nums[j] != nums[i]) {
			i++
			nums[i] = nums[j]
		}
 	}
 	return i + 1
}

[Clear2]

var num1 = []int{0,0,1,1,1,2,2,3,3,4}
length := removeDuplicates(num1)