1 // { dg-do compile { target c++11 } }
2 //
3 // Copyright (C) 2012-2019 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 //
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15 //
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
19
20 // 20.8.11 polymorphic function object wrapper
21
22 #include <functional>
23
fX24 struct X { void f() { } };
25
26 void (X::*p)() = &X::f;
27 void (X::* volatile& vp)() = p;
28
29 typedef std::function<void(X&)> function_type;
30
test01()31 void test01()
32 {
33 function_type f( vp );
34 function_type f2( std::ref(vp) );
35 function_type f3( std::cref(vp) );
36 }
37