|  | // Copyright (C) 2013-2022 Free Software Foundation, Inc. | 
|  | // | 
|  | // This file is part of the GNU ISO C++ Library.  This library 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, or (at your option) | 
|  | // any later version. | 
|  |  | 
|  | // This library 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 library; see the file COPYING3.  If not see | 
|  | // <http://www.gnu.org/licenses/>. | 
|  |  | 
|  | namespace observers_1 { | 
|  |  | 
|  | struct value_type | 
|  | { | 
|  | int i; | 
|  | }; | 
|  |  | 
|  | static void | 
|  | test () | 
|  | { | 
|  | gdb::optional<value_type> o { value_type { 51 } }; | 
|  | VERIFY( (*o).i == 51 ); | 
|  | } | 
|  |  | 
|  | } // namespace observers_1 |