| // compile | |
| // Copyright 2021 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 main | |
| type Fooer interface { | |
| Foo() Barer | |
| } | |
| type Barer interface { | |
| Bar() | |
| } | |
| type impl struct{} | |
| func (r *impl) Foo() Barer { | |
| return r | |
| } | |
| func (r *impl) Bar() {} | |
| func f1() { | |
| var r Fooer = &impl{} | |
| r.Foo().Bar() | |
| } |