// 清空列表
public void Clear()
{
LinkNode <T> cur = head.next;
head.Reset();
while (cur != null)
{
LinkNode <T> toClear = cur;
cur = cur.next;
toClear.Reset();
}
length = 0;
}
// 删除元素
public override bool Delete(int index)
{
if (index < 0 || index > length - 1)
{
LogError("Out of the range!");
return(false);
}
LinkNode <T> lastNode = GetLastNode(index);
LinkNode <T> node = lastNode.next;
lastNode.next = node.next;
node.Reset();
length--;
return(true);
}