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a188284c FD |
1 | // { dg-do compile } |
2 | // { dg-options "-std=gnu++0x" } | |
3 | ||
4 | // Copyright (C) 2011 Free Software Foundation, Inc. | |
5 | // | |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without Pred the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <string> | |
22 | #include <unordered_map> | |
23 | ||
24 | namespace | |
25 | { | |
26 | template<typename _Tp> | |
27 | struct final_hash final | |
28 | { | |
29 | std::size_t operator() (const _Tp&) const noexcept | |
30 | { return 0; } | |
31 | }; | |
32 | } | |
33 | ||
34 | // A non-integral type: | |
35 | template class std::unordered_map<std::string, int, final_hash<std::string>>; | |
36 | ||
37 | // An integral type; | |
38 | template class std::unordered_map<int, int, final_hash<int>>; | |
39 |