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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 _LIBCUDACXX___FUNCTIONAL_UNARY_FUNCTION_H
#define _LIBCUDACXX___FUNCTIONAL_UNARY_FUNCTION_H
#ifndef __cuda_std__
#include <__config>
#endif // __cuda_std__
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
_LIBCUDACXX_BEGIN_NAMESPACE_STD
#if _LIBCUDACXX_STD_VER <= 14 || defined(_LIBCUDACXX_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
template <class _Arg, class _Result>
struct _LIBCUDACXX_TEMPLATE_VIS _LIBCUDACXX_DEPRECATED_IN_CXX11 unary_function
{
typedef _Arg argument_type;
typedef _Result result_type;
};
#endif // _LIBCUDACXX_STD_VER <= 14
template <class _Arg, class _Result> struct __unary_function_keep_layout_base {
#if _LIBCUDACXX_STD_VER <= 17 || defined(_LIBCUDACXX_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS)
using argument_type _LIBCUDACXX_DEPRECATED_IN_CXX17 = _Arg;
using result_type _LIBCUDACXX_DEPRECATED_IN_CXX17 = _Result;
#endif
};
#if _LIBCUDACXX_STD_VER <= 14 || defined(_LIBCUDACXX_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
_CCCL_DIAG_SUPPRESS_DEPRECATED_PUSH
template <class _Arg, class _Result>
using __unary_function = unary_function<_Arg, _Result>;
_CCCL_DIAG_SUPPRESS_DEPRECATED_POP
#else
template <class _Arg, class _Result>
using __unary_function = __unary_function_keep_layout_base<_Arg, _Result>;
#endif
_LIBCUDACXX_END_NAMESPACE_STD
#endif // _LIBCUDACXX___FUNCTIONAL_UNARY_FUNCTION_H
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