1 | //===----------------------------------------------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #ifndef NOTCONSTRUCTIBLE_H |
10 | #define NOTCONSTRUCTIBLE_H |
11 | |
12 | #include <functional> |
13 | |
14 | class NotConstructible |
15 | { |
16 | NotConstructible(const NotConstructible&); |
17 | NotConstructible& operator=(const NotConstructible&); |
18 | public: |
19 | }; |
20 | |
21 | inline |
22 | bool |
23 | operator==(const NotConstructible&, const NotConstructible&) |
24 | {return true;} |
25 | |
26 | namespace std |
27 | { |
28 | |
29 | template <> |
30 | struct hash<NotConstructible> |
31 | { |
32 | typedef NotConstructible argument_type; |
33 | typedef std::size_t result_type; |
34 | |
35 | std::size_t operator()(const NotConstructible&) const {return 0;} |
36 | }; |
37 | |
38 | } |
39 | |
40 | #endif // NOTCONSTRUCTIBLE_H |
41 | |