2sum leetcode challenge

main.go

func twoSum(nums []int, target int) []int {
    for index, number := range nums {
        if index == len(nums)-1 {
            break
        }

        for secondIndex, secondNum := range nums[index+1:] {
            if number + secondNum == target {
                return []int{index, (index+1)+secondIndex}
            }
        }
    }

    return []int{}
}