private static void _PushBefore(DoubleLinkNode2 <T> after, DoubleLink2 <T> list)
{
if (!list.IsEmpty())
{
DoubleLinkNode2 <T> next = list._root._next;
DoubleLinkNode2 <T> pre = list._root._pre;
DoubleLink2 <T> ._Link(after._pre, next);
DoubleLink2 <T> ._Link(pre, after);
list._Init();
}
}
private static void _PushAfter(DoubleLinkNode2 <T> before, DoubleLink2 <T> list)
{
if (!list.IsEmpty())
{
DoubleLinkNode2 <T> next = list._root._next;
DoubleLinkNode2 <T> pre = list._root._pre;
DoubleLinkNode2 <T> node3 = before._next;
DoubleLink2 <T> ._Link(before, next);
DoubleLink2 <T> ._Link(pre, node3);
list._Init();
}
}