chromium/third_party/libc++/src/include/__functional/ranges_operations.h

// -*- 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 <__concepts/equality_comparable.h>
#include <__concepts/totally_ordered.h>
#include <__config>
#include <__type_traits/desugars_to.h>
#include <__utility/forward.h>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#  pragma GCC system_header
#endif

_LIBCPP_BEGIN_NAMESPACE_STD

#if _LIBCPP_STD_VER >= 20

namespace ranges {

struct equal_to { … };

struct not_equal_to { … };

struct less { … };

struct less_equal { … };

struct greater { … };

struct greater_equal { … };

} // namespace ranges

// For ranges we do not require that the types on each side of the equality
// operator are of the same type
__desugars_to_v;

__desugars_to_v;

__desugars_to_v;

__desugars_to_v;

#endif // _LIBCPP_STD_VER >= 20

_LIBCPP_END_NAMESPACE_STD

#endif // _LIBCPP___FUNCTIONAL_RANGES_OPERATIONS_H