| // compile | |
| // Copyright 2021 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 | |
| func fn() func(interface{}) { | |
| return func(o interface{}) { | |
| switch v := o.(type) { | |
| case *int: | |
| *v = 1 | |
| } | |
| } | |
| } | |
| func main() { | |
| fn() | |
| } |