public void AddLast(T value)
{
var element = new DoubleLinkedNode <T>(value);
if (Count == 0)
{
First = element;
Last = element;
}
else
{
var temp = Last;
Last.Next = element;
Last = element;
element.Prev = temp;
}
Count++;
}
public void AddFirst(T value)
{
var element = new DoubleLinkedNode <T>(value);
var temp = First;
element.Next = temp;
First = element;
if (Count == 0)
{
Last = First;
}
else
{
temp.Prev = First;
}
Count++;
}