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: no-filesystem
11// UNSUPPORTED: availability-filesystem-missing
12
13// <filesystem>
14
15// template <>
16// inline constexpr bool ranges::enable_view<filesystem::directory_iterator> = true;
17// template <>
18// inline constexpr bool ranges::enable_view<filesystem::recursive_directory_iterator> = true;
19
20#include <filesystem>
21#include <ranges>
22
23template<class Range>
24void test() {
25 static_assert(std::ranges::enable_view<Range>);
26 static_assert(!std::ranges::enable_view<Range&>);
27 static_assert(!std::ranges::enable_view<const Range>);
28}
29
30void test() {
31 test<std::filesystem::directory_iterator>();
32 test<std::filesystem::recursive_directory_iterator>();
33}
34

source code of libcxx/test/std/input.output/filesystems/fs.filesystem.synopsis/enable_view.compile.pass.cpp