blob: 9f955a506b999f2c0a1bb1348754f3b67a39d3f0 [file] [log] [blame]
// Copyright (c) 2021, 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 The modifier required is added as a built-in identifier. The
/// grammar of function types is extended to allow any named parameter
/// declaration to be prefixed by the required modifier (e.g. int Function(int,
/// {int? y, required int z}).
/// @description Checks that the 'required' word cannot be used as a type name
/// @author
typedef required = int Function(Object a, Object b);
// ^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
main() {
required? l;
// [analyzer] unspecified
// [cfe] unspecified