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52066eae | 1 | // { dg-do compile { target c++11 } } |
a188284c | 2 | |
a5544970 | 3 | // Copyright (C) 2011-2019 Free Software Foundation, Inc. |
a188284c FD |
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, | |
2328b1de | 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
a188284c FD |
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 | #include <string> | |
21 | #include <unordered_map> | |
22 | ||
23 | namespace | |
24 | { | |
25 | template<typename _Tp> | |
26 | struct final_hash final | |
27 | { | |
28 | std::size_t operator() (const _Tp&) const noexcept | |
29 | { return 0; } | |
30 | }; | |
31 | } | |
32 | ||
33 | // A non-integral type: | |
34 | template class std::unordered_map<std::string, int, final_hash<std::string>>; | |
35 | ||
36 | // An integral type; | |
37 | template class std::unordered_map<int, int, final_hash<int>>; | |
38 |