func TestOf(t *testing.T) {
	one := 1
	assertEqual(t, Of(1), &one)
}

func TestOrDefault(t *testing.T) {
	one := 1
	assertEqual(t, OrDefault(nil, 2), 2)
	assertEqual(t, OrDefault(&one, 2), 1)
}

func TestOrEmpty(t *testing.T) {
	one := 1
	assertEqual(t, OrEmpty[int](nil), 0)
	assertEqual(t, OrEmpty(&one), 1)
}

func TestTypeName(t *testing.T) {
	type ts struct{}
	assertEqual(t, TypeName[int](), "int")