public void Add(T data)
{
var node = new DoubleNode <T>(data);
if (Head == null)
{
Head = node;
}
else
{
Tail.Next = node;
node.Previous = Tail;
}
Tail = node;
Count++;
}
public void AddFirst(T data)
{
var node = new DoubleNode <T>(data);
var temp = Head;
node.Next = Head;
Head = node;
if (Count == 0)
{
Tail = Head;
}
else
{
temp.Previous = node;
}
Count++;
}
