| // Copyright (c) 2011, 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 Let Ti be the static type of ai, let Si be the type of pi, |
| * i ∈ 1..h+k and let Sq be the type of the named parameter q of f. |
| * . . . |
| * It is a static warning if Tm+j may not be assigned to Sqj, j ∈ 1..l. |
| * @description Checks that it is a compile error if the type of an actual |
| * argument may not be assigned to the type of an optional parameter of a |
| * top-level function. |
| * @compile-error |
| * @author msyabro |
| */ |
| |
| func([int? x]) {} |
| |
| main() { |
| func(''); |
| } |
