| // 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 To infer the type of element: |
| /// ... |
| /// If element is a spreadElement with expression e1: |
| /// |
| /// If P is ? then let S be the inferred type of e1 in context ?: |
| /// ... |
| /// If none of these cases match, it is an error. |
| /// |
| /// @description Checks that it is a compile error if none of the cases |
| /// (`Iterable<Object>` nor of `Map<Object, Object>`, and it's also not `dynamic` |
| /// nor `Null`) match |
| /// @author sgrekhov@unipro.ru |
| |
| |
| Set<X> foo<X>(Set<X> s) => s; |
| |
| void test<T>(T t) { |
| foo({...?t}); |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| |
| main() { |
| test<Null>(null); |
| } |
