// { dg-do compile { target c++11 } } // // Copyright (C) 2012-2018 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 // . // 20.8.11 polymorphic function object wrapper #include struct X { void f() { } }; void (X::*p)() = &X::f; void (X::* volatile& vp)() = p; typedef std::function function_type; void test01() { function_type f( vp ); function_type f2( std::ref(vp) ); function_type f3( std::cref(vp) ); }