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1 | // 2001-04-06 gdr |
2 | ||
99dee823 | 3 | // Copyright (C) 2000-2021 Free Software Foundation, Inc. |
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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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
a1fae794 GDR |
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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | #include <vector> | |
21 | #include <algorithm> | |
22 | ||
23 | // | |
24 | // 25.1.8 Make sure std::equal doesn't make any extra assumption | |
25 | // about operator== and operator!= | |
26 | // | |
27 | ||
28 | struct X { }; | |
29 | ||
30 | bool operator==(X, X) { return true; } | |
31 | ||
32 | // Not implemented on purpose. { dg-do link } | |
33 | bool operator!=(X, X); | |
34 | ||
35 | int main() | |
36 | { | |
37 | std::vector<X> v, w; | |
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38 | return !std::equal(v.begin(), v.end(), w.begin()); |
39 | } |