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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
#include <cuda/std/detail/__config>
#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
#include <cuda/std/__cccl/prologue.h>
_LIBCUDACXX_BEGIN_NAMESPACE_STD
#if defined(_LIBCUDACXX_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
template <class _Arg, class _Result>
struct _CCCL_TYPE_VISIBILITY_DEFAULT _LIBCUDACXX_DEPRECATED unary_function
{
using argument_type = _Arg;
using result_type = _Result;
};
#endif // _LIBCUDACXX_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION
template <class _Arg, class _Result>
struct __unary_function_keep_layout_base
{
#if _CCCL_STD_VER <= 2017 || defined(_LIBCUDACXX_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS)
using argument_type _LIBCUDACXX_DEPRECATED = _Arg;
using result_type _LIBCUDACXX_DEPRECATED = _Result;
#endif
};
#if defined(_LIBCUDACXX_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
_CCCL_SUPPRESS_DEPRECATED_PUSH
template <class _Arg, class _Result>
using __unary_function = unary_function<_Arg, _Result>;
_CCCL_SUPPRESS_DEPRECATED_POP
#else
template <class _Arg, class _Result>
using __unary_function = __unary_function_keep_layout_base<_Arg, _Result>;
#endif // !_LIBCUDACXX_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION
_LIBCUDACXX_END_NAMESPACE_STD
#include <cuda/std/__cccl/epilogue.h>
#endif // _LIBCUDACXX___FUNCTIONAL_UNARY_FUNCTION_H
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