package correct
func SortedListMerge(l1 *NodeI, l2 *NodeI) *NodeI {
if l1 == nil {
return l2
}
if l2 == nil {
return l1
if l1.Data <= l2.Data {
l1.Next = SortedListMerge(l1.Next, l2)
l2.Next = SortedListMerge(l1, l2.Next)