/// <summary>
/// Checks whether this is a holiday specific to a federal state.
/// </summary>
/// <param name="stateId">The federal state id to check.</param>
/// <returns>Return true, if this is a holiday of this federal state, else false.</returns>
public bool IsPublicHoliday(GermanFederalStates.Id stateId)
{
return(PublicHolidayStateIds.Exists(s => s == stateId));
}
public GermanFederalState(GermanFederalStates.Id state, string abbreviation, string name)
{
_state = state;
_abbreviation = abbreviation;
_name = name;
}