mirror of
https://github.com/golang/go
synced 2024-11-26 20:41:24 -07:00
33 lines
461 B
Go
33 lines
461 B
Go
|
// 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)
|
||
|
|
}
|