| // @dart = 2.9 |
| import 'dart:async' show FutureOr; |
| import 'dart:collection' show LinkedHashMap, LinkedHashSet; |
| |
| Future<Iterable<int>> iterablefun() async => {}; |
| Future<LinkedHashMap<int, bool>> lhmfun() async => {}; |
| Future<LinkedHashSet<int>> lhsfun() async => {}; |
| Future<Map<int, bool>> mapfun() async => {}; |
| Future<Set<int>> setfun() async => {}; |
| FutureOr<Iterable<int>> iterablefun2() => {}; |
| FutureOr<LinkedHashMap<int, bool>> lhmfun2() => {}; |
| FutureOr<LinkedHashSet<int>> lhsfun2() => {}; |
| FutureOr<Map<int, bool>> mapfun2() => {}; |
| FutureOr<Set<int>> setfun2() => {}; |
| main() async {} |