| // 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 A formal constructor parameter is either a formal parameter or |
| /// an initializing formal. An initializing formal has the form this.id, where |
| /// id is the name of an instance variable of the immediately enclosing class. |
| /// It is a compile-time error if id is not the name of an instance variable of |
| /// the immediately enclosing class. |
| /// @description Checks that various correct constructor parameters do not |
| /// produce compile-time errors. Test type aliases |
| /// @author sgrekhov@unipro.ru |
| |
| class C { |
| C() {} |
| C.initialFormal(this.x, int this.y, this.z) {} |
| C.mixed(p1, this.x, [p2, this.y]) {} |
| |
| int? x, y, z; |
| } |
| typedef CAlias = C; |
| |
| main() { |
| new CAlias(); |
| new CAlias.initialFormal(1, 2, 3); |
| new CAlias.mixed(null, null); |
| } |