public IEnumerator GetEnumerator()
{
LinkListNode temp = first;
while (temp != null)
{
yield return(temp.Value);
temp = temp.next;
}
}
public IEnumerator <T> GetEnumerator()
{
LinkListNode <T> current = first;
while (current != null)
{
yield return(current.Value);
current = current.next;
}
}
public LinkListNode last; //链表的最后一个节点指针
public LinkListNode AddLast(object node) //添加一个节点
{
var newNode = new LinkListNode(node);
if (first == null)
{
first = newNode;
last = first;
}
else
{
last.next = newNode;
newNode.prev = last;
last = newNode;
}
return(newNode);
}
public LinkListNode <T> AddLast(T node)
{
LinkListNode <T> newNode = new LinkListNode <T>(node);
if (first == null) //此链表无内容
{
first = newNode;
last = first;
}
else
{
last.next = newNode;
newNode.prev = last;
last = newNode;
}
return(newNode);
}