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/>.
21 #include <string_view>
27 constexpr std::string_view
hw("Hello, World!");
28 static_assert('H' == *hw
.begin());
30 static_assert('W' == *(hw
.cbegin() + 7));
32 std::array
<int, hw
.size()> a2
{{0,0,0,0,0,0,0,0,0,0,0,0,0}};
33 std::copy(hw
.begin(), hw
.end(), a2
.begin());
35 return *(hw
.cbegin() + 3);
41 constexpr char ch
= test();