Two Sum - LeetCode 1

twosum.go

func twoSum(nums []int, target int) []int {
    hm := make(map[int]int)
    
    for i, n := range nums {
        if j, exists := hm[n]; exists {
            return []int{i, j}
        }
        hm[target-n] = i
    }
    
    return []int{}
}