| /* |
| * 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 apply an expression of type Never in the |
| * function position of a function call. |
| * |
| * @description Check that it is an error to apply an expression of type Never |
| * in the function position of a function call. |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=non-nullable |
| class A { |
| } |
| |
| void test(var x) { |
| if (x is Never) { |
| x(); //# 01: compile-time error |
| x(1); //# 02: compile-time error |
| x("1"); //# 03: compile-time error |
| } |
| } |
| |
| main() { |
| A? a = null; |
| test(a); |
| } |
