Language/Classes/Instance_Methods/Operators/optional_parameter_t05.dart

// Copyright (c) 2011, 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 It is a compile-time error to declare an optional parameter in an 
/// operator.
/// @description Checks that a compile-time error is produced if a user-defined
/// operator [] specifies one optional named parameter.
/// @compile-error
/// @author ilya


class C {
  operator []({var o}) {}
}

main() {
  new C()[];
}