|  | // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  | // | 
|  |  | 
|  | // @dart = 2.9 | 
|  |  | 
|  | library Library5Test.dart; | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  | import "library5a.dart" as lib5a; | 
|  | import "library5b.dart" as lib5b; | 
|  |  | 
|  | int foo(lib5a.Fun f) { | 
|  | return f(); | 
|  | } | 
|  |  | 
|  | int bar(lib5b.Fun f) { | 
|  | return f(42); | 
|  | } | 
|  |  | 
|  | main() { | 
|  | Expect.equals(41, foo(() => 41)); | 
|  | Expect.equals(42, bar((x) => x)); | 
|  | } |