public LR0Item(int id, Production production, int position, GrammarHintList hints)
{
ID = id;
Production = production;
Position = position;
Current = (Position < Production.RValues.Count) ? Production.RValues[Position] : null;
if (hints != null)
{
Hints.AddRange(hints);
}
_hashCode = ID.ToString().GetHashCode();
}//method
