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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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___FUNCTIONAL_RANGES_OPERATIONS_H
#define _LIBCPP___FUNCTIONAL_RANGES_OPERATIONS_H
#include <__config>
#include <concepts>
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if !defined(_LIBCPP_HAS_NO_RANGES)
namespace ranges {
struct equal_to {
template <class _Tp, class _Up>
requires equality_comparable_with<_Tp, _Up>
[[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const
noexcept(noexcept(bool(_VSTD::forward<_Tp>(__t) == _VSTD::forward<_Up>(__u)))) {
return _VSTD::forward<_Tp>(__t) == _VSTD::forward<_Up>(__u);
}
using is_transparent = void;
};
struct not_equal_to {
template <class _Tp, class _Up>
requires equality_comparable_with<_Tp, _Up>
[[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const
noexcept(noexcept(bool(!(_VSTD::forward<_Tp>(__t) == _VSTD::forward<_Up>(__u))))) {
return !(_VSTD::forward<_Tp>(__t) == _VSTD::forward<_Up>(__u));
}
using is_transparent = void;
};
struct less {
template <class _Tp, class _Up>
requires totally_ordered_with<_Tp, _Up>
[[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const
noexcept(noexcept(bool(_VSTD::forward<_Tp>(__t) < _VSTD::forward<_Up>(__u)))) {
return _VSTD::forward<_Tp>(__t) < _VSTD::forward<_Up>(__u);
}
using is_transparent = void;
};
struct less_equal {
template <class _Tp, class _Up>
requires totally_ordered_with<_Tp, _Up>
[[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const
noexcept(noexcept(bool(!(_VSTD::forward<_Up>(__u) < _VSTD::forward<_Tp>(__t))))) {
return !(_VSTD::forward<_Up>(__u) < _VSTD::forward<_Tp>(__t));
}
using is_transparent = void;
};
struct greater {
template <class _Tp, class _Up>
requires totally_ordered_with<_Tp, _Up>
[[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const
noexcept(noexcept(bool(_VSTD::forward<_Up>(__u) < _VSTD::forward<_Tp>(__t)))) {
return _VSTD::forward<_Up>(__u) < _VSTD::forward<_Tp>(__t);
}
using is_transparent = void;
};
struct greater_equal {
template <class _Tp, class _Up>
requires totally_ordered_with<_Tp, _Up>
[[nodiscard]] constexpr bool operator()(_Tp &&__t, _Up &&__u) const
noexcept(noexcept(bool(!(_VSTD::forward<_Tp>(__t) < _VSTD::forward<_Up>(__u))))) {
return !(_VSTD::forward<_Tp>(__t) < _VSTD::forward<_Up>(__u));
}
using is_transparent = void;
};
} // namespace ranges
#endif // !defined(_LIBCPP_HAS_NO_RANGES)
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___FUNCTIONAL_RANGES_OPERATIONS_H
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