|  | // Copyright (c) 2012, 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. | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | final x = foo(499); | 
|  | final y = foo(41) + 1; | 
|  |  | 
|  | final t = bar(499); | 
|  | final u = bar(41) + 1; | 
|  | final v = bar("some string"); | 
|  |  | 
|  | foo(x) => x; // The return type will always be int. | 
|  | bar(x) => x; // The return type varies and can be int or String. | 
|  |  | 
|  | main() { | 
|  | Expect.equals(499, x); | 
|  | Expect.equals(42, y); | 
|  | Expect.equals(499, t); | 
|  | Expect.equals(42, u); | 
|  | Expect.equals("some string", v); | 
|  | } |