// -*- C++ -*-
//===--------------------------- iomanip ----------------------------------===//
//
// 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_IOMANIP
#define _LIBCPP_IOMANIP

/*
    iomanip synopsis

namespace std {

// types T1, T2, ... are unspecified implementation types
T1 resetiosflags(ios_base::fmtflags mask);
T2 setiosflags (ios_base::fmtflags mask);
T3 setbase(int base);
template<charT> T4 setfill(charT c);
T5 setprecision(int n);
T6 setw(int n);
template <class moneyT> T7 get_money(moneyT& mon, bool intl = false);
template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = false);
template <class charT> T9 get_time(struct tm* tmb, const charT* fmt);
template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt);

template <class charT>
  T11 quoted(const charT* s, charT delim=charT('"'), charT escape=charT('\\')); // C++14

template <class charT, class traits, class Allocator>
  T12 quoted(const basic_string<charT, traits, Allocator>& s,
             charT delim=charT('"'), charT escape=charT('\\')); // C++14

template <class charT, class traits, class Allocator>
  T13 quoted(basic_string<charT, traits, Allocator>& s,
             charT delim=charT('"'), charT escape=charT('\\')); // C++14

}  // std

*/

#include <__config>
#include <__string>
#include <istream>
#include <version>

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

_LIBCPP_BEGIN_NAMESPACE_STD

// resetiosflags

class __iom_t1
{
    ios_base::fmtflags __mask_;
public:
    _LIBCPP_INLINE_VISIBILITY
    explicit __iom_t1(ios_base::fmtflags __m) : __mask_(__m) {}

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_istream<_CharT, _Traits>&
    operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t1& __x)
    {
        __is.unsetf(__x.__mask_);
        return __is;
    }

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_ostream<_CharT, _Traits>&
    operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t1& __x)
    {
        __os.unsetf(__x.__mask_);
        return __os;
    }
};

inline _LIBCPP_INLINE_VISIBILITY
__iom_t1
resetiosflags(ios_base::fmtflags __mask)
{
    return __iom_t1(__mask);
}

// setiosflags

class __iom_t2
{
    ios_base::fmtflags __mask_;
public:
    _LIBCPP_INLINE_VISIBILITY
    explicit __iom_t2(ios_base::fmtflags __m) : __mask_(__m) {}

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_istream<_CharT, _Traits>&
    operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t2& __x)
    {
        __is.setf(__x.__mask_);
        return __is;
    }

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_ostream<_CharT, _Traits>&
    operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t2& __x)
    {
        __os.setf(__x.__mask_);
        return __os;
    }
};

inline _LIBCPP_INLINE_VISIBILITY
__iom_t2
setiosflags(ios_base::fmtflags __mask)
{
    return __iom_t2(__mask);
}

// setbase

class __iom_t3
{
    int __base_;
public:
    _LIBCPP_INLINE_VISIBILITY
    explicit __iom_t3(int __b) : __base_(__b) {}

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_istream<_CharT, _Traits>&
    operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t3& __x)
    {
        __is.setf(__x.__base_ == 8  ? ios_base::oct :
                  __x.__base_ == 10 ? ios_base::dec :
                  __x.__base_ == 16 ? ios_base::hex :
                  ios_base::fmtflags(0), ios_base::basefield);
        return __is;
    }

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_ostream<_CharT, _Traits>&
    operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t3& __x)
    {
        __os.setf(__x.__base_ == 8  ? ios_base::oct :
                  __x.__base_ == 10 ? ios_base::dec :
                  __x.__base_ == 16 ? ios_base::hex :
                  ios_base::fmtflags(0), ios_base::basefield);
        return __os;
    }
};

inline _LIBCPP_INLINE_VISIBILITY
__iom_t3
setbase(int __base)
{
    return __iom_t3(__base);
}

// setfill

template<class _CharT>
class __iom_t4
{
    _CharT __fill_;
public:
    _LIBCPP_INLINE_VISIBILITY
    explicit __iom_t4(_CharT __c) : __fill_(__c) {}

    template <class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_ostream<_CharT, _Traits>&
    operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t4& __x)
    {
        __os.fill(__x.__fill_);
        return __os;
    }
};

template<class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
__iom_t4<_CharT>
setfill(_CharT __c)
{
    return __iom_t4<_CharT>(__c);
}

// setprecision

class __iom_t5
{
    int __n_;
public:
    _LIBCPP_INLINE_VISIBILITY
    explicit __iom_t5(int __n) : __n_(__n) {}

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_istream<_CharT, _Traits>&
    operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t5& __x)
    {
        __is.precision(__x.__n_);
        return __is;
    }

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_ostream<_CharT, _Traits>&
    operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t5& __x)
    {
        __os.precision(__x.__n_);
        return __os;
    }
};

inline _LIBCPP_INLINE_VISIBILITY
__iom_t5
setprecision(int __n)
{
    return __iom_t5(__n);
}

// setw

class __iom_t6
{
    int __n_;
public:
    _LIBCPP_INLINE_VISIBILITY
    explicit __iom_t6(int __n) : __n_(__n) {}

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_istream<_CharT, _Traits>&
    operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t6& __x)
    {
        __is.width(__x.__n_);
        return __is;
    }

    template <class _CharT, class _Traits>
    friend
    _LIBCPP_INLINE_VISIBILITY
    basic_ostream<_CharT, _Traits>&
    operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t6& __x)
    {
        __os.width(__x.__n_);
        return __os;
    }
};

inline _LIBCPP_INLINE_VISIBILITY
__iom_t6
setw(int __n)
{
    return __iom_t6(__n);
}

// get_money

template <class _MoneyT> class __iom_t7;

template <class _CharT, class _Traits, class _MoneyT>
basic_istream<_CharT, _Traits>&
operat                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  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