struct Foo {
	f int = 123
}

struct Bar {
	f &Foo = &Foo(0)
}

struct Zar {
	f Foo
}

fn main() {
	b := &Bar{
		f: &Foo(32)
	}
	c := &Zar{
		f: Foo{456}
	}
	assert ptr_str(b.f) == '20'
	assert c.f.f == 456
}