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a945c346 | 1 | // Copyright (C) 2019-2024 Free Software Foundation, Inc. |
cfc219ae JW |
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 | ||
d4ac20b0 | 18 | // { dg-do compile { target c++20 } } |
cfc219ae JW |
19 | |
20 | #include <concepts> | |
21 | ||
22 | static_assert( std::regular<int> ); | |
23 | static_assert( std::regular<int*> ); | |
24 | static_assert( ! std::regular<int&> ); | |
25 | static_assert( ! std::regular<void> ); | |
26 | static_assert( ! std::regular<void()> ); | |
27 | static_assert( ! std::regular<void() noexcept> ); | |
28 | static_assert( ! std::regular<void() const> ); | |
29 | ||
30 | struct Trivial { }; | |
31 | static_assert( ! std::regular<Trivial> ); | |
32 | ||
33 | struct NotTrivial | |
34 | { | |
35 | NotTrivial() { } | |
36 | ~NotTrivial() { } | |
37 | }; | |
38 | static_assert( ! std::regular<NotTrivial> ); | |
39 | ||
40 | struct NotDefaultConstructible | |
41 | { | |
42 | NotDefaultConstructible(int) { } | |
43 | }; | |
44 | static_assert( ! std::regular<NotDefaultConstructible> ); | |
45 | ||
46 | struct HasReference | |
47 | { | |
48 | int& ref; | |
49 | }; | |
50 | static_assert( ! std::regular<HasReference> ); | |
51 | ||
52 | struct HasEq { }; | |
53 | bool operator==(HasEq, HasEq) { return true; } | |
b7689b96 | 54 | #ifdef __cpp_impl_three_way_comparison |
cfc219ae JW |
55 | static_assert( std::regular<HasEq> ); |
56 | #else | |
57 | static_assert( ! std::regular<HasEq> ); | |
58 | #endif | |
59 | ||
60 | struct HasEqNeq { }; | |
61 | bool operator==(HasEqNeq, HasEqNeq) { return true; } | |
62 | bool operator!=(HasEqNeq, HasEqNeq) { return false; } | |
63 | static_assert( std::regular<HasEqNeq> ); |