| // { dg-do compile { target c++14 } } |
| |
| // Copyright (C) 2015-2018 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 <experimental/array> |
| #include <functional> // for std::ref and std::reference_wrapper |
| |
| struct MoveOnly |
| { |
| MoveOnly() = default; |
| MoveOnly(MoveOnly&&) = default; |
| MoveOnly& operator=(MoveOnly&&) = default; |
| }; |
| |
| void test01() |
| { |
| char x[42]; |
| std::array<char, 42> y = std::experimental::to_array(x); |
| std::array<int, 5> z = std::experimental::make_array(1,2,3,4,5); |
| std::array<long, 3> zz = std::experimental::make_array(1,2L, 3); |
| std::array<MoveOnly, 1> zzz = std::experimental::make_array(MoveOnly{}); |
| int dummy; |
| auto good = std::experimental::make_array< |
| std::reference_wrapper<int>>(std::ref(dummy)); |
| constexpr char x2[42]{}; |
| constexpr std::array<char, 42> y2 = std::experimental::to_array(x2); |
| constexpr std::array<int, 5> z2 = |
| std::experimental::make_array(1,2,3,4,5); |
| constexpr std::array<long, 3> zz2 |
| = std::experimental::make_array(1,2L, 3); |
| constexpr std::array<MoveOnly, 1> zzz2 = std::experimental::make_array(MoveOnly{}); |
| } |
| |
| void test02() |
| { |
| // PR libstdc++/79195 |
| struct A {}; |
| struct B : A {}; |
| struct C : A {}; |
| auto arr = std::experimental::make_array<A>(B{}, C{}); |
| static_assert(std::is_same<decltype(arr), std::array<A, 2>>::value, ""); |
| } |