//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <string_view> // The string_views's value type must be the same as the traits's char_type #include <string_view> int main() { std::basic_string_view<char, std::char_traits<wchar_t>> s; }