| // { dg-do compile { target c++14 } } |
| // |
| // Copyright (C) 2013-2023 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 <utility> |
| #include <type_traits> |
| |
| using std::is_same; |
| using std::integer_sequence; |
| using std::make_integer_sequence; |
| using std::index_sequence; |
| using std::make_index_sequence; |
| using std::index_sequence_for; |
| |
| static_assert( is_same<integer_sequence<int>::value_type, int>::value, |
| "int value_type"); |
| |
| static_assert( is_same<integer_sequence<short>::value_type, short>::value, |
| "short value_type"); |
| |
| static_assert( is_same<make_integer_sequence<int, 0>, |
| integer_sequence<int>>::value, |
| "make empty int seq" ); |
| |
| static_assert( is_same<make_integer_sequence<int, 2>, |
| integer_sequence<int, 0, 1>>::value, |
| "make non-empty int seq" ); |
| |
| static_assert( is_same<make_integer_sequence<unsigned, 0>, |
| integer_sequence<unsigned>>::value, |
| "make empty unsigned seq" ); |
| |
| static_assert( is_same<make_integer_sequence<unsigned, 2>, |
| integer_sequence<unsigned, 0, 1>>::value, |
| "make non-empty unsigned seq" ); |
| |
| static_assert( is_same<index_sequence<0, 1>, |
| integer_sequence<std::size_t, 0, 1>>::value, |
| "index seq" ); |
| |
| static_assert( is_same<make_index_sequence<2>, index_sequence<0, 1>>::value, |
| "make index seq" ); |
| |
| static_assert( is_same<index_sequence_for<char, int, void, double>, |
| index_sequence<0, 1, 2, 3>>::value, |
| "index_sequence_for" ); |