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1 // Copyright (C) 2011-2019 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
19 // { dg-do compile { target c++11 } }
21 #include <unordered_map>
30 { std::size_t operator()(const X
&) const { return 0; } };
32 bool operator==(const X
&, const X
&) { return false; }
35 void erasor(std::unordered_multimap
<X
, int, X_hash
>& s
, X x
)
37 std::unordered_multimap
<X
, int, X_hash
>::iterator it
= s
.find(x
);