IEnumerator <SecondList> IEnumerable <SecondList> .GetEnumerator()
{
SecondNode <SecondList> current = head;
while (current != null)
{
yield return(current.Data);
current = current.Next;
}
}
public void Add(SecondList data)
{
var node = new SecondNode <SecondList>(data);
if (head == null)
{
head = node;
}
else
{
tail.Next = node;
node.Previous = tail;
}
tail = node;
count++;
}
public void AddFirst(SecondList data)
{
var node = new SecondNode <SecondList>(data);
SecondNode <SecondList> temp = head;
node.Next = temp;
head = node;
if (count == 0)
{
tail = head;
}
else
{
temp.Previous = node;
}
count++;
}
public void Clear()
{
head = null;
tail = null;
count = 0;
}