// 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:
 * Function Type/Function: T0 is a function type and T1 is Function
 * @description Check that if type T0 is a function type and T1 is Function then
 * T0 is a subtype of T1. Test void function with required arguments
 * @author sgrekhov@unipro.ru
 */
class C {}

typedef void T0(C c);

void t0Instance(C c) {}
Function t1Instance = () {};

void foo() {}
const t1Default = foo;

//# @T0 = T0
//# @T1 = Function
