| // $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: should run |
| |
| // Copyright 2009 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 |
| |
| import "os" |
| |
| type S struct { i int } |
| func (p *S) Get() int { return p.i } |
| |
| type Empty interface { |
| } |
| |
| type Getter interface { |
| Get() int; |
| } |
| |
| func f1(p Empty) { |
| switch x := p.(type) { |
| default: println("failed to match interface", x); os.Exit(1); |
| case Getter: break; |
| } |
| |
| } |
| |
| func main() { |
| var s S; |
| f1(&s); |
| } |
