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6458742a | 1 | // { dg-do compile { target c++17 } } |
8c914227 | 2 | |
83ffe9cd | 3 | // Copyright (C) 2016-2023 Free Software Foundation, Inc. |
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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 | ||
c7cbb4da | 16 | // You should have received a copy of the GNU General Public License along |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
20 | #include <functional> | |
21 | ||
22 | struct X | |
23 | { | |
24 | int operator()() const { return 0; } | |
25 | int operator()() volatile { return 1; } | |
26 | int operator()() const volatile { return 2; } | |
27 | void operator()() { }; | |
28 | }; | |
29 | ||
30 | static_assert( std::is_placeholder<decltype(std::placeholders::_1)>::value | |
31 | == std::is_placeholder_v<decltype(std::placeholders::_1)>); | |
32 | ||
33 | const auto b0 = std::bind(X()); | |
34 | static_assert( std::is_bind_expression<decltype(b0)>::value | |
35 | == std::is_bind_expression_v<decltype(b0)>); | |
36 |