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 // UNSUPPORTED: libcpp-no-concepts
11 // UNSUPPORTED: gcc-10
12 // UNSUPPORTED: libcpp-has-no-incomplete-ranges
13 
14 // string_view
15 
16 #include <string_view>
17 
18 #include <concepts>
19 #include <ranges>
20 
21 namespace stdr = std::ranges;
22 
23 static_assert(std::same_as<stdr::iterator_t<std::string_view>, std::string_view::iterator>);
24 static_assert(stdr::common_range<std::string_view>);
25 static_assert(stdr::random_access_range<std::string_view>);
26 static_assert(stdr::contiguous_range<std::string_view>);
27 static_assert(stdr::view<std::string_view> && stdr::enable_view<std::string_view>);
28 static_assert(stdr::sized_range<std::string_view>);
29 static_assert(stdr::borrowed_range<std::string_view>);
30 static_assert(stdr::viewable_range<std::string_view>);
31 
32 static_assert(std::same_as<stdr::iterator_t<std::string_view const>, std::string_view::const_iterator>);
33 static_assert(stdr::common_range<std::string_view const>);
34 static_assert(stdr::random_access_range<std::string_view const>);
35 static_assert(stdr::contiguous_range<std::string_view const>);
36 static_assert(!stdr::view<std::string_view const> && !stdr::enable_view<std::string_view const>);
37 static_assert(stdr::sized_range<std::string_view const>);
38 static_assert(stdr::borrowed_range<std::string_view const>);
39 static_assert(stdr::viewable_range<std::string_view const>);
40