| /* |
| * 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 It is an error if an optional parameter (named or otherwise) with |
| * no default value has a potentially non-nullable type except in the parameter |
| * list of an abstract method declaration. |
| * |
| * @description Check that it is a compile-time error if an optional parameter |
| * (named or otherwise) with no default value has a potentially non-nullable |
| * type. Test FutureOr<Never> |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| // Requirements=nnbd-strong |
| import "dart:async"; |
| |
| class C { |
| static void test1(var v, [FutureOr<Never> fo]) {} |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| static void test2(var v, {FutureOr<Never> fo}) {} |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| void test11(var v, [FutureOr<Never> fo]) {} |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| void test22(var v, {FutureOr<Never> fo}) {} |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| |
| void test1(var v, [FutureOr<Never> fo]) {} |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| void test2(var v, {FutureOr<Never> fo}) {} |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| main() { |
| } |
