d2baefae68
All supported compilers that support C++20 now support concepts. So, remove `_LIB_LIBCPP_HAS_NO_CONCEPTS` in favor of `_LIBCPP_STD_VER > 17`. Similarly in the tests, remove `// UNSUPPORTED: libcpp-no-concepts`. Differential Revision: https://reviews.llvm.org/D121528
20 lines
1001 B
C++
20 lines
1001 B
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// UNSUPPORTED: libcpp-has-no-incomplete-ranges
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// template<class I, class S, subrange_kind K>
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// inline constexpr bool enable_borrowed_range<subrange<I, S, K>> = true;
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#include <ranges>
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static_assert(std::ranges::borrowed_range<std::ranges::subrange<int*, const int*, std::ranges::subrange_kind::sized>>);
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static_assert(std::ranges::borrowed_range<std::ranges::subrange<int*, std::unreachable_sentinel_t, std::ranges::subrange_kind::sized>>);
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static_assert(std::ranges::borrowed_range<std::ranges::subrange<int*, std::unreachable_sentinel_t, std::ranges::subrange_kind::unsized>>);
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