| // run | |
| // Copyright 2019 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 | |
| // This used to print 0, because x was incorrectly captured by value. | |
| func f() (x int) { | |
| defer func() func() { | |
| return func() { | |
| println(x) | |
| } | |
| }()() | |
| return 42 | |
| } | |
| func main() { | |
| f() | |
| } |