public override bool MoveNext()
{
int updatePosition = _position + (_reverse ? -1 : +1);
if (updatePosition >= 0 && updatePosition < _collection.GetItems().Count)
{
_position = updatePosition;
return(true);
}
return(false);
}
public ConcreteIterator(ConcreteCollection collection, bool reverse)
{
_collection = collection;
_reverse = reverse;
if (_reverse)
{
this._position = _collection.GetItems().Count;
}
}
