/// <summary> /// Compares two instances of this object. /// </summary> /// <param name="PhoneNumber1">A phone number.</param> /// <param name="PhoneNumber2">Another phone number.</param> /// <returns>true|false</returns> public static Boolean operator >(PhoneNumber PhoneNumber1, PhoneNumber PhoneNumber2) { if ((Object)PhoneNumber1 == null) { throw new ArgumentNullException(nameof(PhoneNumber1), "The given PhoneNumber1 must not be null!"); } return(PhoneNumber1.CompareTo(PhoneNumber2) > 0); }
/// <summary> /// Compares two instances of this object. /// </summary> /// <param name="PhoneNumber1">A phone number.</param> /// <param name="PhoneNumber2">Another phone number.</param> /// <returns>true|false</returns> public static Boolean operator >=(Phone_Number PhoneNumber1, Phone_Number PhoneNumber2) => PhoneNumber1.CompareTo(PhoneNumber2) >= 0;