public void ForEach(ForEachLambda cb)
{
LinkedNode <T> temp = head;
do
{
cb(temp);
temp = temp.nextNode;
} while (temp != head);
}
public IEnumerator <T> GetEnumerator()
{
LinkedNode <T> temp = head;
do
{
yield return(temp.data);
temp = temp.nextNode;
} while (temp != head);
}
public void Append(T data)
{
LinkedNode <T> node = new LinkedNode <T>(data);
if (head == null)
{
head = node;
head.nextNode = node;
head.previousNode = node;
}
else
{
node.previousNode = head.previousNode;
node.nextNode = head;
head.previousNode.nextNode = node;
head.previousNode = node;
}
}