| /* |
| * 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 to call an expression whose type is potentially |
| * nullable and not dynamic. |
| * |
| * @description Check that it is a compile-time error to call an expression |
| * whose type is potentially nullable and not dynamic. Test type aliases |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable,extension-methods,nonfunction-type-aliases |
| // Requirements=nnbd-strong |
| extension on int { |
| int call(int v) => this + v; |
| } |
| void foo() {} |
| typedef void Foo(); |
| |
| typedef IntAlias = int?; |
| typedef FunctionAlias = Function?; |
| typedef FooAlias = Foo?; |
| |
| main() { |
| IntAlias i = 42; |
| i(1); |
| //^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| FunctionAlias f1 = foo; |
| f1(); |
| //^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| FooAlias f2 = foo; |
| f2(); |
| //^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| } |