// 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.

// @dart = 2.9

/// @assertion The on word is not reserved in any way, it is a context-specific
/// keyword that has a specific meaning when occuring after the type name of a
/// mixin declaration.
///
/// @description Checks that the on word is not reserved word in any way, it is
/// a context-specific keyword that has a specific meaning when occurs after the
/// type name of a mixin declaration.
/// @author ngl@unipro.ru


class A {
  A() {}
  A.on() {}
}

class B {
  int i = 2;
  set on(int p) => i = p;
  int get on => i;
}

class C {
  int i = 3;
  int on() => i;
}

class on {}

main() {
  new A();
  new A.on();
  new B();
  new C();
  new on();
}
