func A(a *int, c *struct {
	b *int
	m map[string]*int
	s []*int
}) {
	*a = 5
	*c.b = 3
	*c.m["foo"] = 7
	*c.s[0] = 9
}

func Index() int {
	return 0
}

a1 := 6
a2 := 6
a3 := 6
c := struct {
	b *int
	m map[string]*int
	s []*int
}{
	b: &a1,
	m: map[string]*int{
		"foo": &a2,
	},
	s: []*int{&a3},
}
A(&a1, &c)
*c.m["foo"] = 8
*c.s[0] = 10
*c.s[Index()] = 11
println(a1, *c.b, *c.m["foo"], *c.s[0])