| -- Copyright 2022-2023 Free Software Foundation, Inc. |
| -- |
| -- This program is free software; you can redistribute it and/or modify |
| -- it under the terms of the GNU General Public License as published by |
| -- the Free Software Foundation; either version 3 of the License, or |
| -- (at your option) any later version. |
| -- |
| -- This program is distributed in the hope that it will be useful, |
| -- but WITHOUT ANY WARRANTY; without even the implied warranty of |
| -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| -- GNU General Public License for more details. |
| -- |
| -- You should have received a copy of the GNU General Public License |
| -- along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| package Concrete is |
| type Iface is interface; |
| |
| type Base (N : Integer) is tagged record |
| A : String (1 .. N); |
| end record; |
| |
| -- An empty extension of Base. The compiler sources claimed there |
| -- was a special case for this, and while that doesn't seem to be |
| -- true in practice, it's worth checking. |
| type Intermediate is new Base with record |
| null; |
| end record; |
| |
| type Object is new Intermediate and Iface with record |
| Value: Integer; |
| end record; |
| |
| procedure Accept_Iface (Obj: Iface'Class); |
| |
| end Concrete; |
