|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | // UNSUPPORTED: c++03, c++11, c++14, c++17 | 
|  |  | 
|  | // string_view | 
|  |  | 
|  | #include <string_view> | 
|  |  | 
|  | #include <concepts> | 
|  | #include <ranges> | 
|  |  | 
|  | static_assert(std::same_as<std::ranges::iterator_t<std::string_view>, std::string_view::iterator>); | 
|  | static_assert(std::ranges::common_range<std::string_view>); | 
|  | static_assert(std::ranges::random_access_range<std::string_view>); | 
|  | static_assert(std::ranges::contiguous_range<std::string_view>); | 
|  | static_assert(std::ranges::view<std::string_view> && std::ranges::enable_view<std::string_view>); | 
|  | static_assert(std::ranges::sized_range<std::string_view>); | 
|  | static_assert(std::ranges::borrowed_range<std::string_view>); | 
|  | static_assert(std::ranges::viewable_range<std::string_view>); | 
|  |  | 
|  | static_assert(std::same_as<std::ranges::iterator_t<std::string_view const>, std::string_view::const_iterator>); | 
|  | static_assert(std::ranges::common_range<std::string_view const>); | 
|  | static_assert(std::ranges::random_access_range<std::string_view const>); | 
|  | static_assert(std::ranges::contiguous_range<std::string_view const>); | 
|  | static_assert(!std::ranges::view<std::string_view const> && !std::ranges::enable_view<std::string_view const>); | 
|  | static_assert(std::ranges::sized_range<std::string_view const>); | 
|  | static_assert(std::ranges::borrowed_range<std::string_view const>); | 
|  | static_assert(std::ranges::viewable_range<std::string_view const>); |