| // 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 | |
| type T1 struct { | |
| x, y int | |
| } | |
| type T2 struct { | |
| z, w byte | |
| } | |
| type T3 T1 | |
| type MyInt int | |
| func (MyInt) m(*T1) {} | |
| func main() { | |
| { | |
| var i interface{} = new(T1) | |
| _, ok1 := i.(*T1) | |
| _, ok2 := i.(*T2) | |
| _, ok3 := i.(*T3) | |
| if !ok1 || ok2 || ok3 { | |
| println("*T1", ok1, ok2, ok3) | |
| panic("fail") | |
| } | |
| } | |
| { | |
| var i interface{} = MyInt(0) | |
| _, ok1 := i.(interface { | |
| m(*T1) | |
| }) | |
| _, ok2 := i.(interface { | |
| m(*T2) | |
| }) | |
| _, ok3 := i.(interface { | |
| m(*T3) | |
| }) | |
| if !ok1 || ok2 || ok3 { | |
| println("T", ok1, ok2, ok3) | |
| panic("fail") | |
| } | |
| } | |
| } |