public bool IntersectWith(WeekNumber w)
{
return((_weekNumberInBinary & w._weekNumberInBinary) > 0);
//return _weekNumberList.Intersect(w._weekNumberList).Any();
}
public WeekNumber(WeekNumber w) : this()
{
_weekNumberList = w._weekNumberList;
_weekNumberInBinary = w._weekNumberInBinary;
}