}

	gc3 := Combine(g1, g3, _NewPair[int, string])
	if got, ok := gc3(); !ok || got.A != 3 || got.B != "y" {
		panic(fmt.Sprintf("got %v, %v, wanted {3, y}, true", got, ok))
	}
	gc4 := Combine2(g1, g3)
	if got, ok := gc4(); !ok || got.A != 3 || got.B != "y" {
		panic(fmt.Sprintf("got %v, %v, wanted {3, y}, true", got, ok))
	}