func main() { fmt.Printf("Hello, world. Sqrt(2) = %v\n", newmath.Sqrt(2)) t := time.Now() switch { case t.Hour() < 12: fmt.Println("Good morning!") case t.Hour() < 17: fmt.Println("Good afternoon.") default: fmt.Println("Good evening.") } var i = 3 fmt.Println("V: ", i*3*3) }
func main() { fmt.Printf("hello, world Sqrt(2) = %v\n", newmath.Sqrt(2)) }
func main() { fmt.Println(newmath.Sqrt(2)) }