mirror of
https://github.com/golang/go
synced 2024-11-22 08:34:40 -07:00
325cf8ef21
in the tests, println+panic. gofmt some tests too. R=rsc CC=golang-dev https://golang.org/cl/741041
49 lines
758 B
Go
49 lines
758 B
Go
// $G $D/$F.go && $L $F.$A && ./$A.out
|
|
|
|
// 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")
|
|
}
|
|
}
|
|
}
|