| // { dg-do compile { target c++11 } } |
| |
| // Copyright (C) 2012-2022 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <type_traits> |
| #include <memory> |
| |
| using std::is_same; |
| using std::result_of; |
| using std::unique_ptr; |
| |
| // Taken from example in [meta.trans.other] |
| |
| typedef bool (&PF1)(); |
| typedef short (*PF2)(long); |
| struct S { |
| operator PF2() const; |
| double operator()(char, int&); |
| void fn(long) const; |
| char data; |
| }; |
| |
| typedef void (S::*PMF)(long) const; |
| typedef char S::*PMD; |
| |
| static_assert( is_same<result_of<S(int)>::type, short>::value, "!"); |
| static_assert( is_same<result_of<S&(unsigned char, int&)>::type, double>::value, "!"); |
| static_assert( is_same<result_of<PF1()>::type, bool>::value, "!"); |
| static_assert( is_same<result_of<PMF(unique_ptr<S>, int)>::type, void>::value, "!"); |
| static_assert( is_same<result_of<PMD(S)>::type, char&&>::value, "!"); |
| static_assert( is_same<result_of<PMD(const S*)>::type, const char&>::value, "!"); |