| // run |
| |
| // Copyright 2016 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 |
| |
| import "time" |
| |
| type T struct{} |
| |
| func (*T) Foo(vals []interface{}) { |
| switch v := vals[0].(type) { |
| case string: |
| _ = v |
| } |
| } |
| |
| type R struct{ *T } |
| |
| type Q interface { |
| Foo([]interface{}) |
| } |
| |
| func main() { |
| var q Q = &R{&T{}} |
| for i := 0; i < 10000; i++ { |
| go func() { |
| defer q.Foo([]interface{}{"meow"}) |
| time.Sleep(100 * time.Millisecond) |
| }() |
| } |
| time.Sleep(1 * time.Second) |
| } |