public/tests/go/solutions/listmerge.go

package solutions

//merges the 2 lists in one(in the end of the first list)
func ListMerge(l1 *List, l2 *List) {
	if l1.Head == nil {
		l1.Head, l1.Tail = l2.Head, l2.Tail
		return
	}
	l1.Tail.Next = l2.Head
}