public Season(int year, SeasonOfYear seasonOfYear)
{
//Preconditions.CheckArgumentOutOfRange(nameof(year), year, Constants.MinCalendarYearNum, Constants.MaxCalendarYearNum);
// TODO preconditions
_value = (year - 1) * 2 + (int)seasonOfYear - 1;
}
public void Deconstruct(out int year, out SeasonOfYear seasonOfYear)
{
year = Year;
seasonOfYear = SeasonOfYear;
}
