|  | // Copyright (c) 2023, 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. | 
|  |  | 
|  | // SharedObjects=ffi_test_functions | 
|  |  | 
|  | import 'dart:ffi'; | 
|  |  | 
|  | class Foo implements Finalizable {} | 
|  |  | 
|  | Future<bool> hasMore() async => false; | 
|  |  | 
|  | Future<Foo> nextElement() => Future.value(Foo()); | 
|  |  | 
|  | void main() async { | 
|  | for (var element = Foo(); await hasMore(); element = await nextElement()) { | 
|  | print(element); | 
|  | } | 
|  | } |