| // Copyright (c) 2017, 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. |
| // @dart=2.9 |
| /*@testedFeatures=inference*/ |
| library test; |
| |
| import 'dart:async'; |
| |
| abstract class MyStream<T> extends Stream<T> { |
| factory MyStream() => null; |
| } |
| |
| Stream<List<int>> foo() async* { |
| yield /*@typeArgs=int**/ []; |
| yield /*error:YIELD_OF_INVALID_TYPE*/ new /*@ typeArgs=dynamic */ MyStream(); |
| yield* /*error:YIELD_OF_INVALID_TYPE*/ /*@typeArgs=dynamic*/ []; |
| yield* new /*@ typeArgs=List<int*>* */ MyStream(); |
| } |
| |
| Iterable<Map<int, int>> bar() sync* { |
| yield new /*@ typeArgs=int*, int* */ Map(); |
| yield /*error:YIELD_OF_INVALID_TYPE*/ /*@typeArgs=dynamic*/ []; |
| yield* /*error:YIELD_OF_INVALID_TYPE*/ new /*@ typeArgs=dynamic, dynamic */ Map(); |
| yield* /*@typeArgs=Map<int*, int*>**/ []; |
| } |
| |
| main() {} |