// run | |
// Copyright 2024 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 main() { | |
env := func() func(*bool) func() int { | |
return func() func(*bool) func() int { | |
return func(ptr *bool) func() int { | |
return func() int { | |
*ptr = true | |
return 0 | |
} | |
} | |
}() | |
}() | |
var ok bool | |
func(int) {}(env(&ok)()) | |
if !ok { | |
panic("FAIL") | |
} | |
} |