]>
Commit | Line | Data |
---|---|---|
a5544970 | 1 | // Copyright (C) 2011-2019 Free Software Foundation, Inc. |
6dc88283 PC |
2 | // |
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) | |
7 | // any later version. | |
8 | // | |
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. | |
13 | // | |
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/>. | |
17 | // | |
18 | ||
52066eae | 19 | // { dg-do compile { target c++11 } } |
6dc88283 PC |
20 | |
21 | #include <unordered_map> | |
22 | ||
23 | struct X | |
24 | { | |
25 | template<typename T> | |
26 | X(T&) {} | |
27 | }; | |
28 | ||
92637e93 PC |
29 | struct X_hash |
30 | { std::size_t operator()(const X&) const { return 0; } }; | |
31 | ||
6dc88283 PC |
32 | bool operator==(const X&, const X&) { return false; } |
33 | ||
34 | // LWG 2059. | |
92637e93 | 35 | void erasor(std::unordered_map<X, int, X_hash>& s, X x) |
6dc88283 | 36 | { |
92637e93 | 37 | std::unordered_map<X, int, X_hash>::iterator it = s.find(x); |
6dc88283 PC |
38 | if (it != s.end()) |
39 | s.erase(it); | |
40 | } |