| // Copyright (c) 2019, 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 an extension declaration is a top-level declaration with a grammar |
| /// similar to: |
| /// <extension> ::= |
| /// `extension' <identifier>? <typeParameters>? `on' <type> `?'? `{' |
| /// memberDeclaration* |
| /// `}' |
| /// Such a declaration introduces its name (the identifier) into the surrounding |
| /// scope |
| /// |
| /// @description Check that it is compile-error if extension declaration is not |
| /// top-level |
| /// @author sgrekhov@unipro.ru |
| |
| class C { |
| extension MyFancyList<T> on List<T> { |
| //^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| int get doubleLength => this.length * 2; |
| // ^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| } |
| |
| main() { |
| extension MyFancyList<T> on List<T> { |
| //^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| int get doubleLength => this.length * 2; |
| // ^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| //^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
