}

func fromMyNode(node *MyNode) *LFNode {
	return (*LFNode)(unsafe.Pointer(node))
}

func toMyNode(node *LFNode) *MyNode {
	return (*MyNode)(unsafe.Pointer(node))
}

var global any

func TestLFStack(t *testing.T) {
	stack := new(uint64)
	global = stack // force heap allocation

	// Check the stack is initially empty.
	if LFStackPop(stack) != nil {
		t.Fatalf("stack is not empty")
	}