1 // 2001-06-18 Benjamin Kosnik <bkoz@redhat.com>
2
3 // Copyright (C) 2001 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 2, 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 COPYING. If not, write to the Free
18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19 // USA.
20
21 // 20.3.3 Comparisons
22
23 #include <functional>
24
25 class gnu_obj
26 {
27 int i;
28 public:
gnu_obj(int arg=0)29 gnu_obj(int arg = 0): i(arg) { }
operator ==(const gnu_obj & rhs) const30 bool operator==(const gnu_obj& rhs) const { return i == rhs.i; }
operator !=(const gnu_obj & rhs) const31 bool operator!=(const gnu_obj& rhs) const { return i != rhs.i; }
operator <(const gnu_obj & rhs) const32 bool operator<(const gnu_obj& rhs) const { return i < rhs.i; }
33 };
34
35 template<typename T>
36 struct gnu_t
37 {
38 bool b;
39 public:
gnu_tgnu_t40 gnu_t(bool arg = 0): b(arg) { }
operator ==gnu_t41 bool operator==(const gnu_t& rhs) const { return b == rhs.b; }
operator !=gnu_t42 bool operator!=(const gnu_t& rhs) const { return b != rhs.b; }
operator <gnu_t43 bool operator<(const gnu_t& rhs) const { return b == rhs.b; }
44 };
45
46 template struct std::not_equal_to<void*>;
47 template struct std::not_equal_to<gnu_obj>;
48 template struct std::not_equal_to<gnu_t<long> >;
49
main()50 int main()
51 {
52 return 0;
53 }
54