// Copyright (c) 2019, 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. // The test checks that Null is nullable. class A {} class B extends A {} class C { Null foo(Null n, A an) => n; } foo() { return [[], >[]]; } bar() { return [const [], const >[]]; } main() {}