// 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 If s is a set literal, then it has the form
/// const? ('<' type '>')? '{' ... '}' where ... is zero or more comma-separated
/// element expressions (potentially with a trailing comma which is otherwise
/// ignored).
/// @description Checks set literal syntax
/// @author sgrekhov@unipro.ru

main() {
  var v1  = const <int?> {,};
//                        ^
// [analyzer] unspecified
// [cfe] unspecified
  var v2  = const {,};
//                 ^
// [analyzer] unspecified
// [cfe] unspecified
  var v3  = {,};
  //         ^
  // [analyzer] SYNTACTIC_ERROR.MISSING_IDENTIFIER
  // [cfe] Expected an identifier, but got ','.
  var v4  = const <int?> {,,};
//                        ^^
// [analyzer] unspecified
// [cfe] unspecified
  var v5  = const {,,};
//                 ^^
// [analyzer] unspecified
// [cfe] unspecified
  var v6  = {,,};
//           ^^
// [analyzer] unspecified
// [cfe] unspecified
}