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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_POINTER_TO_UNARY_FUNCTION_H
#define _LIBCPP___FUNCTIONAL_POINTER_TO_UNARY_FUNCTION_H
#include <__config>
#include <__functional/unary_function.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
template <class _Arg, class _Result>
class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 pointer_to_unary_function
: public unary_function<_Arg, _Result>
{
_Result (*__f_)(_Arg);
public:
_LIBCPP_INLINE_VISIBILITY explicit pointer_to_unary_function(_Result (*__f)(_Arg))
: __f_(__f) {}
_LIBCPP_INLINE_VISIBILITY _Result operator()(_Arg __x) const
{return __f_(__x);}
};
template <class _Arg, class _Result>
_LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY
pointer_to_unary_function<_Arg,_Result>
ptr_fun(_Result (*__f)(_Arg))
{return pointer_to_unary_function<_Arg,_Result>(__f);}
#endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___FUNCTIONAL_POINTER_TO_UNARY_FUNCTION_H
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