Reverse_Integer.go

func reverse(x int) int {
    // calc minimum and maximum values
    max:= int(math.Pow(2,31))
    min:= int(math.Pow(-2,31)) -1
    tmp := x
    reverse:= 0
    for{
        digit := tmp % 10
        reverse = reverse * 10 + digit
        tmp = tmp / 10
        
        if tmp == 0{
            break
        }
        
    }
    // If the integer has overflowed return 0
    if reverse > max || reverse < min {
        return 0
    }
    return reverse
}