1 // Copyright (C) 2017-2023 Free Software Foundation, Inc.
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)
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.
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/>.
18 // { dg-options "-std=gnu++17" }
19 // { dg-do compile { target c++17 } }
21 #include <string_view>
23 constexpr wchar_t c1
[] = L
"one";
24 constexpr wchar_t c2
[] = L
"two";
26 constexpr std::wstring_view s1
{c1
};
27 constexpr std::wstring_view s2
{c2
};
29 constexpr int n1
= s1
.compare(s1
);
30 constexpr int n2
= s1
.compare(s2
);