]>
Commit | Line | Data |
---|---|---|
4415f7a5 | 1 | // { dg-options "-std=gnu++11" } |
0addb273 | 2 | |
5624e564 | 3 | // Copyright (C) 2013-2015 Free Software Foundation, Inc. |
0addb273 JW |
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, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
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 <unordered_map> | |
21 | #include <utility> | |
22 | ||
23 | struct Key | |
24 | { | |
25 | explicit Key(const int* p) : value(p) { } | |
26 | ~Key() { value = nullptr; } | |
27 | ||
28 | bool operator==(const Key& k) const { return *value == *k.value; } | |
29 | ||
30 | const int* value; | |
31 | }; | |
32 | ||
33 | struct hash | |
34 | { | |
35 | std::size_t operator()(const Key& k) const noexcept { return *k.value; } | |
36 | }; | |
37 | ||
38 | struct S | |
39 | { | |
40 | int value; | |
41 | operator std::pair<const Key, int>() const { return {Key(&value), value}; } | |
42 | }; | |
43 | ||
44 | int main() | |
45 | { | |
46 | S s[1] = { {2} }; | |
47 | std::unordered_map<Key, int, hash> m(s, s+1); | |
48 | std::unordered_multimap<Key, int, hash> mm(s, s+1); | |
49 | } |