| // compile -p=main | |
| // 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 I interface { | |
| M() interface{} | |
| } | |
| type S1 struct{} | |
| func (S1) M() interface{} { | |
| return nil | |
| } | |
| type EI interface{} | |
| type S struct{} | |
| func (S) M(as interface{ I }) {} | |
| func f() interface{ EI } { | |
| return &S1{} | |
| } | |
| func main() { | |
| var i interface{ I } | |
| (&S{}).M(i) | |
| } |