Go

func twoSum(nums []int, target int) []int {

    var mp map[int]int = make(map[int]int)

    for i := 0; i< len(nums); i++ {
        mp[nums[i]] = i
    }

    for i := 0; i< len(nums); i++ {
        if j, ok := mp[target-nums[i]]; ok && j != i{
            return []int{i, mp[target-nums[i]]}
        }
    }
    return []int{}
}