public Salary Substract(Salary substracted)
{
ThrowIfCurrencyIsNotEqual(substracted, "different substracted currency");
return(new Salary(value: Value - substracted.Value, currency: Currency));
}
public HourlyEmployee(EmployeeId id, Salary salaryOfHour, TimeCards timeCards)
{
Id = id;
SalaryOfHour = salaryOfHour;
TimeCards = timeCards;
}
public Salary Add(Salary added)
{
ThrowIfCurrencyIsNotEqual(added, "different added currency");
return(new Salary(value: Value + added.Value, currency: Currency));
}