// Copyright (c) 2018, 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.

/// @assertion We say that a type T0 is a subtype of a type T1 (written T0 <: T1)
/// when:
/// Right Top: T1 is a top type (i.e. Object?, dynamic, or void)
/// @description Check that if type T1 is an Object then T0 is a subtype of a
/// type T1
/// @author sgrekhov@unipro.ru

class T0 {}

T0 t0Instance = new T0();
Object? t1Instance = new Object();

const t1Default = null;

//# @T0 = T0
//# @T1 = Object?