functions-post-07.go

func EnglishGreeting(name string) error {
	fmt.Printf("Hello, %s!\n", name)
	return nil
}

func SpanishGreeting(name string) error {
	fmt.Printf("Hola, %s!\n", name)
	return nil
}

func SayGreetings(greetingFns []func(string) error, name string) error {
	for _, greetingFn := range greetingFns {
		if err := greetingFn(name); err != nil {
			return err
		}
	}
	return nil
}

func main() {
	SayGreetings(
		[]func(string) error{EnglishGreeting, SpanishGreeting},
		"World",
	)
}