|  | // Copyright (c) 2021, 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. | 
|  |  | 
|  | // TODO(47054): Take closure signature into account to handle equality of | 
|  | // instantiated closures. | 
|  | /*class: Class:deps=[create]*/ | 
|  | class Class<T> {} | 
|  |  | 
|  | /*member: create:deps=[test]*/ | 
|  | Class<T> create<T>() => Class<T>(); | 
|  |  | 
|  | equals(a, b) { | 
|  | if (a != b) throw '$a != $b'; | 
|  | } | 
|  |  | 
|  | /*member: test:needsArgs*/ | 
|  | test<T>(f) { | 
|  | Class<T> Function() g = create; | 
|  | equals(f, g); | 
|  | } | 
|  |  | 
|  | main() { | 
|  | Class<int> Function() f = create; | 
|  | test<int>(f); | 
|  | } |