remove-duplicates-from-sorted-array.go

package main

func removeDuplicates(nums []int) int {
    
    if len(nums) == 0 {
        return 0
    }
    
    result := 1
    for i := 1; i < len(nums); i++ {
        if nums[i] != nums[i - 1] {
            nums[result] = nums[i]
            result++
        }
    }
    
    return result
}