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9783f28cbb
This patch runs clang-format on all of libcxx/include and libcxx/src, in accordance with the RFC discussed at [1]. Follow-up patches will format the benchmarks, the test suite and remaining parts of the code. I'm splitting this one into its own patch so the diff is a bit easier to review. This patch was generated with: find libcxx/include libcxx/src -type f \ | grep -v 'module.modulemap.in' \ | grep -v 'CMakeLists.txt' \ | grep -v 'README.txt' \ | grep -v 'libcxx.imp' \ | grep -v '__config_site.in' \ | xargs clang-format -i A Git merge driver is available in libcxx/utils/clang-format-merge-driver.sh to help resolve merge and rebase issues across these formatting changes. [1]: https://discourse.llvm.org/t/rfc-clang-formatting-all-of-libc-once-and-for-all
56 lines
2.1 KiB
C++
56 lines
2.1 KiB
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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#ifndef _LIBCPP___COMPARE_THREE_WAY_COMPARABLE_H
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#define _LIBCPP___COMPARE_THREE_WAY_COMPARABLE_H
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#include <__compare/common_comparison_category.h>
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#include <__compare/ordering.h>
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#include <__concepts/common_reference_with.h>
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#include <__concepts/equality_comparable.h>
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#include <__concepts/same_as.h>
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#include <__concepts/totally_ordered.h>
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#include <__config>
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#include <__type_traits/common_reference.h>
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#include <__type_traits/make_const_lvalue_ref.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER >= 20
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template <class _Tp, class _Cat>
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concept __compares_as = same_as<common_comparison_category_t<_Tp, _Cat>, _Cat>;
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template <class _Tp, class _Cat = partial_ordering>
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concept three_way_comparable =
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__weakly_equality_comparable_with<_Tp, _Tp> && __partially_ordered_with<_Tp, _Tp> &&
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requires(__make_const_lvalue_ref<_Tp> __a, __make_const_lvalue_ref<_Tp> __b) {
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{ __a <=> __b } -> __compares_as<_Cat>;
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};
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template <class _Tp, class _Up, class _Cat = partial_ordering>
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concept three_way_comparable_with =
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three_way_comparable<_Tp, _Cat> && three_way_comparable<_Up, _Cat> &&
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common_reference_with<__make_const_lvalue_ref<_Tp>, __make_const_lvalue_ref<_Up>> &&
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three_way_comparable<common_reference_t<__make_const_lvalue_ref<_Tp>, __make_const_lvalue_ref<_Up>>, _Cat> &&
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__weakly_equality_comparable_with<_Tp, _Up> && __partially_ordered_with<_Tp, _Up> &&
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requires(__make_const_lvalue_ref<_Tp> __t, __make_const_lvalue_ref<_Up> __u) {
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{ __t <=> __u } -> __compares_as<_Cat>;
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{ __u <=> __t } -> __compares_as<_Cat>;
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};
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#endif // _LIBCPP_STD_VER >= 20
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___COMPARE_THREE_WAY_COMPARABLE_H
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