| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 10 | // UNSUPPORTED: no-filesystem |
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| 11 | // UNSUPPORTED: availability-filesystem-missing |
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| 12 | |
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| 13 | // directory_iterator |
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| 14 | |
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| 15 | #include <filesystem> |
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| 16 | |
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| 17 | #include <concepts> |
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| 18 | #include <ranges> |
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| 19 | namespace fs = std::filesystem; |
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| 20 | |
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| 21 | static_assert(std::same_as<std::ranges::iterator_t<fs::directory_iterator>, fs::directory_iterator>); |
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| 22 | static_assert(std::ranges::common_range<fs::directory_iterator>); |
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| 23 | static_assert(std::ranges::input_range<fs::directory_iterator>); |
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| 24 | static_assert(std::ranges::view<fs::directory_iterator>); |
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| 25 | static_assert(!std::ranges::sized_range<fs::directory_iterator>); |
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| 26 | static_assert(std::ranges::borrowed_range<fs::directory_iterator>); |
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| 27 | static_assert(std::ranges::viewable_range<fs::directory_iterator>); |
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| 28 | |
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| 29 | static_assert(std::same_as<std::ranges::iterator_t<fs::directory_iterator&>, fs::directory_iterator>); |
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| 30 | static_assert(std::ranges::common_range<fs::directory_iterator&>); |
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| 31 | static_assert(std::ranges::input_range<fs::directory_iterator&>); |
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| 32 | static_assert(!std::ranges::view<fs::directory_iterator&>); |
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| 33 | static_assert(!std::ranges::sized_range<fs::directory_iterator&>); |
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| 34 | static_assert(std::ranges::borrowed_range<fs::directory_iterator&>); |
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| 35 | static_assert(std::ranges::viewable_range<fs::directory_iterator&>); |
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| 36 | |
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| 37 | static_assert(std::same_as<std::ranges::iterator_t<const fs::directory_iterator&>, fs::directory_iterator>); |
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| 38 | static_assert(std::ranges::common_range<const fs::directory_iterator&>); |
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| 39 | static_assert(std::ranges::input_range<const fs::directory_iterator&>); |
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| 40 | static_assert(!std::ranges::view<const fs::directory_iterator&>); |
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| 41 | static_assert(!std::ranges::sized_range<const fs::directory_iterator&>); |
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| 42 | static_assert(std::ranges::borrowed_range<const fs::directory_iterator&>); |
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| 43 | static_assert(std::ranges::viewable_range<const fs::directory_iterator&>); |
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| 44 | |
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| 45 | |
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