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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_RANGES_MINMAX_ELEMENT_H
#define _LIBCPP___ALGORITHM_RANGES_MINMAX_ELEMENT_H
#include <__algorithm/min_max_result.h>
#include <__algorithm/minmax_element.h>
#include <__config>
#include <__functional/identity.h>
#include <__functional/invoke.h>
#include <__functional/ranges_operations.h>
#include <__iterator/concepts.h>
#include <__iterator/projected.h>
#include <__ranges/access.h>
#include <__ranges/concepts.h>
#include <__ranges/dangling.h>
#include <__utility/forward.h>
#include <__utility/move.h>
#include <__utility/pair.h>
#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
_LIBCPP_BEGIN_NAMESPACE_STD
namespace ranges {
template <class _T1>
using minmax_element_result = min_max_result<_T1>;
namespace __minmax_element {
struct __fn {
template <forward_iterator _Ip, sentinel_for<_Ip> _Sp, class _Proj = identity,
indirect_strict_weak_order<projected<_Ip, _Proj>> _Comp = ranges::less>
_LIBCPP_HIDE_FROM_ABI constexpr
ranges::minmax_element_result<_Ip> operator()(_Ip __first, _Sp __last, _Comp __comp = {}, _Proj __proj = {}) const {
auto __ret = std::__minmax_element_impl(std::move(__first), std::move(__last), __comp, __proj);
return {__ret.first, __ret.second};
}
template <forward_range _Rp, class _Proj = identity,
indirect_strict_weak_order<projected<iterator_t<_Rp>, _Proj>> _Comp = ranges::less>
_LIBCPP_HIDE_FROM_ABI constexpr
ranges::minmax_element_result<borrowed_iterator_t<_Rp>>
operator()(_Rp&& __r, _Comp __comp = {}, _Proj __proj = {}) const {
auto __ret = std::__minmax_element_impl(ranges::begin(__r), ranges::end(__r), __comp, __proj);
return {__ret.first, __ret.second};
}
};
} // namespace __minmax_element
inline namespace __cpo {
inline constexpr auto minmax_element = __minmax_element::__fn{};
} // namespace __cpo
} // namespace ranges
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
#endif // _LIBCPP___ALGORITHM_RANGES_MINMAX_H
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