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22274fac JW |
1 | // Copyright (C) 2014 Free Software Foundation, Inc. |
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 | ||
18 | // { dg-options "-std=gnu++14" } | |
19 | ||
20 | #include <experimental/tuple> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | void | |
24 | test01() | |
25 | { | |
26 | auto t = std::make_tuple(1, '2', 3.0); | |
27 | std::experimental::apply( [&](int& i, char& c, double& d) { | |
28 | VERIFY(&i == &std::get<int>(t)); | |
29 | VERIFY(&c == &std::get<char>(t)); | |
30 | VERIFY(&d == &std::get<double>(t)); | |
31 | }, t); | |
32 | } | |
33 | ||
34 | constexpr int func(int i, int j) { return i + j; } | |
35 | ||
36 | void | |
37 | test02() | |
38 | { | |
39 | constexpr auto t = std::make_tuple(1, 2); | |
40 | constexpr int i = std::experimental::apply(func, t); | |
41 | VERIFY( i == 3 ); | |
42 | } | |
43 | ||
44 | int | |
45 | main() | |
46 | { | |
47 | test01(); | |
48 | test02(); | |
49 | } |