package main import "fmt" const englishHelloPrefix = "Hello, " const welsh = "Welsh" const welshHelloPrefix = "Helo, " func Hello(name string, language string) string { if name == "" { name = "World" } prefix := englishHelloPrefix if language == welsh { prefix = welshHelloPrefix } return prefix + name } func main() { fmt.Println(Hello("Oliver", "")) }