public HelloController( IBirthdayRepository birthdayRepository, IBirthdayCalculator birthdayCalculator) { this.birthdayRepository = birthdayRepository; this.birthdayCalculator = birthdayCalculator; }
public BirthdayService(IBirthdayRepository birthdayRepository) { this.birthdayRepository = birthdayRepository ?? throw new ArgumentNullException(nameof(birthdayRepository)); }