1 // { dg-do compile }
2 // { dg-require-normal-mode "" }
3 // { dg-require-normal-namespace "" }
4 
5 // Copyright (C) 2007-2018 Free Software Foundation, Inc.
6 //
7 // This file is part of the GNU ISO C++ Library.  This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 3, or (at your option)
11 // any later version.
12 
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 // GNU General Public License for more details.
17 
18 // You should have received a copy of the GNU General Public License along
19 // with this library; see the file COPYING3.  If not see
20 // <http://www.gnu.org/licenses/>.
21 
22 #include <bitset>
23 
24 namespace std {
25   template <size_t N> class bitset;
26 
27   // 23.3.5.3 bitset operations:
28   template <size_t N>
29     bitset<N> operator&(const bitset<N>&, const bitset<N>&);
30 
31   template <size_t N>
32     bitset<N> operator|(const bitset<N>&, const bitset<N>&);
33 
34   template <size_t N>
35     bitset<N> operator^(const bitset<N>&, const bitset<N>&);
36 
37   template <class charT, class traits, size_t N>
38     basic_istream<charT, traits>&
39     operator>>(basic_istream<charT, traits>& is, bitset<N>& x);
40 
41   template <class charT, class traits, size_t N>
42     basic_ostream<charT, traits>&
43     operator<<(basic_ostream<charT, traits>& os, const bitset<N>& x);
44 }
45