// 清空
public void Clear()
{
while (top != null)
{
LinkStackNode <T> node = top;
top = top.next;
node.Reset();
}
length = 0;
}
// 出栈
public T Pop()
{
if (length <= 0)
{
LogError("Out of the range!");
return(default(T));
}
LinkStackNode <T> node = top;
top = top.next;
T data = node.data;
node.Reset();
length--;
return(data);
}