1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// $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")
}
}
}
|
