// compile

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p

type top[T, T2 any] struct {
	p *parent[T, T2]
}

type parent[T, T2 any] struct {
	child[T, T2]
}

type child[T, T2 any] struct {
	T2
}

func (d *top[T, T2]) foo() *T {
	return d.p.child.foo()
}

func (rb *child[T, T2]) foo() *T {
	return nil
}

var V top[int, int]