| // { dg-do compile { target c++11 } } |
| // |
| // Copyright (C) 2012-2021 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/>. |
| |
| // 20.8.11 polymorphic function object wrapper |
| |
| #include <functional> |
| |
| struct X { void f() { } }; |
| |
| void (X::*p)() = &X::f; |
| void (X::* volatile& vp)() = p; |
| |
| typedef std::function<void(X&)> function_type; |
| |
| void test01() |
| { |
| function_type f( vp ); |
| function_type f2( std::ref(vp) ); |
| function_type f3( std::cref(vp) ); |
| } |
