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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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70
third_party/libcxx/__algorithm/min_element.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___ALGORITHM_MIN_ELEMENT_H
#define _LIBCPP___ALGORITHM_MIN_ELEMENT_H
#include <__algorithm/comp.h>
#include <__algorithm/comp_ref_type.h>
#include <__config>
#include <__functional/identity.h>
#include <__functional/invoke.h>
#include <__iterator/iterator_traits.h>
#include <__type_traits/is_callable.h>
#include <__utility/move.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Comp, class _Iter, class _Sent, class _Proj>
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14
_Iter __min_element(_Iter __first, _Sent __last, _Comp __comp, _Proj& __proj) {
if (__first == __last)
return __first;
_Iter __i = __first;
while (++__i != __last)
if (std::__invoke(__comp, std::__invoke(__proj, *__i), std::__invoke(__proj, *__first)))
__first = __i;
return __first;
}
template <class _Comp, class _Iter, class _Sent>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14
_Iter __min_element(_Iter __first, _Sent __last, _Comp __comp) {
auto __proj = __identity();
return std::__min_element<_Comp>(std::move(__first), std::move(__last), __comp, __proj);
}
template <class _ForwardIterator, class _Compare>
_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _ForwardIterator
min_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
{
static_assert(__has_forward_iterator_category<_ForwardIterator>::value,
"std::min_element requires a ForwardIterator");
static_assert(__is_callable<_Compare, decltype(*__first), decltype(*__first)>::value,
"The comparator has to be callable");
return std::__min_element<__comp_ref_type<_Compare> >(std::move(__first), std::move(__last), __comp);
}
template <class _ForwardIterator>
_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _ForwardIterator
min_element(_ForwardIterator __first, _ForwardIterator __last)
{
return _VSTD::min_element(__first, __last,
__less<typename iterator_traits<_ForwardIterator>::value_type>());
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___ALGORITHM_MIN_ELEMENT_H