2 // { dg-options "-std=gnu++0x" }
4 // Copyright (C) 2011 Free Software Foundation, Inc.
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)
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.
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/>.
22 #include <unordered_map>
26 template<typename _Tp>
27 struct final_hash final
29 std::size_t operator() (const _Tp&) const noexcept
34 // A non-integral type:
35 template class std::unordered_map<std::string, int, final_hash<std::string>>;
38 template class std::unordered_map<int, int, final_hash<int>>;