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52066eae | 1 | // { dg-do compile { target c++14 } } |
6b17203a | 2 | |
8d9254fc | 3 | // Copyright (C) 2014-2020 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 <experimental/tuple> | |
21 | ||
285ee2fb JW |
22 | using std::tuple; |
23 | using std::tuple_size; | |
24 | using std::experimental::tuple_size_v; | |
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25 | |
26 | // These tests are rather simple, the front-end tests already test | |
27 | // variable templates, and the library tests for the underlying | |
28 | // traits are more elaborate. These are just simple sanity tests. | |
29 | ||
30 | static_assert(tuple_size_v<tuple<int>> == 1 | |
31 | && tuple_size<tuple<int>>::value == 1, ""); | |
32 | ||
33 | static_assert(tuple_size_v<tuple<int, int>> == 2 | |
34 | && tuple_size<tuple<int, int>>::value == 2, ""); |