package greet

type Service struct{}

func NewService() *Service {
	return &Service{}
}

// Greet returns a greeting message for the given name.
// If name is empty, it defaults to "world".
// Implements the Greeter interface.
func (s *Service) Greet(name string) string {
	if name == "" {
		return "Hello world!"
	}
	return "Hello " + name + "!"
}