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Upgrade to 2022-era LLVM LIBCXX

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Justine Tunney 2024-05-27 02:12:27 -07:00
parent 2f4ca71f26
commit 8e68384e15
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2078 changed files with 165657 additions and 65010 deletions
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58
third_party/libcxx/__concepts/totally_ordered.h vendored Normal file
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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___CONCEPTS_TOTALLY_ORDERED_H
#define _LIBCPP___CONCEPTS_TOTALLY_ORDERED_H
#include <__concepts/boolean_testable.h>
#include <__concepts/equality_comparable.h>
#include <__config>
#include <__type_traits/common_reference.h>
#include <__type_traits/make_const_lvalue_ref.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER >= 20
// [concept.totallyordered]
template<class _Tp, class _Up>
concept __partially_ordered_with =
requires(__make_const_lvalue_ref<_Tp> __t, __make_const_lvalue_ref<_Up> __u) {
{ __t < __u } -> __boolean_testable;
{ __t > __u } -> __boolean_testable;
{ __t <= __u } -> __boolean_testable;
{ __t >= __u } -> __boolean_testable;
{ __u < __t } -> __boolean_testable;
{ __u > __t } -> __boolean_testable;
{ __u <= __t } -> __boolean_testable;
{ __u >= __t } -> __boolean_testable;
};
template<class _Tp>
concept totally_ordered = equality_comparable<_Tp> && __partially_ordered_with<_Tp, _Tp>;
template<class _Tp, class _Up>
concept totally_ordered_with =
totally_ordered<_Tp> && totally_ordered<_Up> &&
equality_comparable_with<_Tp, _Up> &&
totally_ordered<
common_reference_t<
__make_const_lvalue_ref<_Tp>,
__make_const_lvalue_ref<_Up>>> &&
__partially_ordered_with<_Tp, _Up>;
#endif // _LIBCPP_STD_VER >= 20
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CONCEPTS_TOTALLY_ORDERED_H