// 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 generic function with named arguments
/// @author sgrekhov@unipro.ru
///
/// @description Check that if type T0 is a subtype of a type T1, then instance
/// of T0 can be be assigned to the to global variable of type T1
/// @author sgrekhov@unipro.ru
///
/// This test is generated from function_type_function_A17.dart and 
/// global_variable_x01.dart.
/// Don't modify it. If you want to change this test, change one of the files 
/// above and then run generator.dart to regenerate the tests.



class C {}

typedef void T0<X>(C c, {required X x});
void t0Func<X>(C c, {required X x}) {}

T0<C> t0Instance = t0Func;
Function t1Instance = () {};

void foo() {}
const t1Default = foo;




class GlobalVariableTest {
  GlobalVariableTest() {
    t1Instance = t0Instance;
  }

  foo() {
    t1Instance = t0Instance;
  }

  static test() {
    t1Instance = t0Instance;
  }
}

main() {
  bar () {
    t1Instance = t0Instance;
  }

  t1Instance = t0Instance;
  bar();
  GlobalVariableTest t = new GlobalVariableTest();
  t.foo();
  GlobalVariableTest.test();
}
