// 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 variableDeclaration: | |
/// declaredIdentifier (‘, ’ identifier)* | |
/// ; | |
/// declaredIdentifier: | |
/// metadata finalConstVarOrType identifier | |
/// ; | |
/// finalConstVarOrType: | |
/// final type? | | |
/// const type? | | |
/// varOrType | |
/// ; | |
/// varOrType: | |
/// var | | |
/// type | |
/// ; | |
/// initializedVariableDeclaration: | |
/// declaredIdentifier (‘=’ expression)? (‘, ’ initializedIdentifier)* | |
/// ; | |
/// initializedIdentifier: | |
/// identifier (‘=’ expression)? | |
/// ; | |
/// initializedIdentifierList: | |
/// initializedIdentifier (‘, ’ initializedIdentifier)* | |
/// ; | |
/// @description Checks that a variable may be abstract void. | |
/// See https://github.com/dart-lang/language/tree/master/accepted/future-releases/abstract-external-fields | |
/// @author kaigorodov | |
abstract class C { | |
abstract void x; | |
} | |
main() { | |
C? c = null; | |
} |