go bug201 源码
golang bug201 代码
文件路径：/test/fixedbugs/bug201.go
// 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")
}
}
}
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