libcxx/test/std/strings/string.view/enable_borrowed_range.compile.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // UNSUPPORTED: c++03, c++11, c++14, c++17
  10
  11 // <string_view>
  12
  13 // template<class charT, class traits>
  14 // inline constexpr bool ranges::enable_borrowed_range<
  15 //     basic_string_view<charT, traits>> = true;
  16
  17 #include <string_view>
  18
  19 #include "test_macros.h"
  20
  21 void test() {
  22   using std::ranges::enable_borrowed_range;
  23   static_assert(enable_borrowed_range<std::basic_string_view<char> >);
  24   static_assert(enable_borrowed_range<std::basic_string_view<wchar_t> >);
  25   static_assert(enable_borrowed_range<std::basic_string_view<char8_t> >);
  26 }