// Copyright (c) 2015, 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 | |
/// ifNullExpression: | |
/// logicalOrExpression (‘??’ logicalOrExpression)* | |
/// | |
/// @description Check that it is a compile time error, if '??' is used twice | |
/// | |
/// @author sgrekhov@unipro.ru | |
main() { | |
var x = 10 ?? ?? 20; | |
// ^^ | |
// [analyzer] unspecified | |
// [cfe] unspecified | |
} |