public void Add(T value)
{
if (Empty)
{
_head = _tail = new DoubleLinkedListNode <T>(value, null, null);
}
else
{
_tail = new DoubleLinkedListNode <T>(value, _tail, null);
_tail.Prev.Next = _tail;
}
_count++;
}
public DoubleLinkedListNode(T value, DoubleLinkedListNode <T> prev = null, DoubleLinkedListNode <T> next = null)
{
Value = value;
Prev = prev;
Next = next;
}