// 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:
/// Left Type Variable Bound: T0 is a type variable X0 with bound B0
///   and B0 <: T1
/// @description Check that if T0 is a type variable X0 with bound B0 and
/// B0 <: T1 then T0 is a subtype of a type T1
/// @author ngl@unipro.ru

class T1 {
  const T1();
}
class B0 extends T1 {}
class X0 extends B0 {}

X0 t0Instance = new X0();
T1 t1Instance = new T1();

const t1Default = const T1();

//# @T0 = X0
//# @T1 = T1