1 // { dg-options "-std=gnu++2a" }
2 // { dg-do compile { target c++2a } }
4 // Copyright (C) 2019 Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
26 constexpr std::array
<int, 3> a1
{{1, 2, 3}};
27 static_assert(1 == *a1
.begin());
28 auto n
= a1
[0] * a1
[1]* a1
[2];
29 static_assert(1 == *a1
.cbegin());
31 std::array
<int, 3> a2
{{0, 0, 0}};
32 std::copy(a1
.begin(), a1
.end(), a2
.begin());
40 constexpr int n
= test();