libstdc++-v3/include/std/iomanip - gcc - Git at Google

 // Standard stream manipulators -*- C++ -*-

 // Copyright (C) 1997-2025 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
 // terms of the GNU General Public License as published by the
 // Free Software Foundation; either version 3, or (at your option)
 // any later version.

 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.

 // Under Section 7 of GPL version 3, you are granted additional
 // permissions described in the GCC Runtime Library Exception, version
 // 3.1, as published by the Free Software Foundation.

 // You should have received a copy of the GNU General Public License and
 // a copy of the GCC Runtime Library Exception along with this program;
 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 // <http://www.gnu.org/licenses/>.

 /** @file include/iomanip
  *  This is a Standard C++ Library header.
  */

 //
 // ISO C++ 14882: 27.6.3  Standard manipulators
 //

 #ifndef _GLIBCXX_IOMANIP
 #define _GLIBCXX_IOMANIP 1

 #ifdef _GLIBCXX_SYSHDR
 #pragma GCC system_header
 #endif

 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wc++11-extensions"

 #include <bits/requires_hosted.h> // iostreams

 #include <bits/c++config.h>
 #include <iosfwd>
 #include <bits/ios_base.h>

 #define __glibcxx_want_quoted_string_io
 #include <bits/version.h>

 #if __cplusplus >= 201103L
 #include <locale>
 #if __cplusplus > 201103L
 #include <bits/quoted_string.h>
 #endif
 #endif

 namespace std _GLIBCXX_VISIBILITY(default)
 {
 _GLIBCXX_BEGIN_NAMESPACE_VERSION

   // [27.6.3] standard manipulators
   // Also see DR 183.

   struct _Resetiosflags { ios_base::fmtflags _M_mask; };

   /**
    *  @brief  Manipulator for @c setf.
    *  @param  __mask  A format flags mask.
    *
    *  Sent to a stream object, this manipulator resets the specified flags,
    *  via @e stream.setf(0,__mask).
   */
   inline _Resetiosflags
   resetiosflags(ios_base::fmtflags __mask)
   { return { __mask }; }

   template<typename _CharT, typename _Traits>
     inline basic_istream<_CharT, _Traits>&
     operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
     {
       __is.setf(ios_base::fmtflags(0), __f._M_mask);
       return __is;
     }

   template<typename _CharT, typename _Traits>
     inline basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f)
     {
       __os.setf(ios_base::fmtflags(0), __f._M_mask);
       return __os;
     }


   struct _Setiosflags { ios_base::fmtflags _M_mask; };

   /**
    *  @brief  Manipulator for @c setf.
    *  @param  __mask  A format flags mask.
    *
    *  Sent to a stream object, this manipulator sets the format flags
    *  to @a __mask.
   */
   inline _Setiosflags
   setiosflags(ios_base::fmtflags __mask)
   { return { __mask }; }

   template<typename _CharT, typename _Traits>
     inline basic_istream<_CharT, _Traits>&
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
     {
       __is.setf(__f._M_mask);
       return __is;
     }

   template<typename _CharT, typename _Traits>
     inline basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f)
     {
       __os.setf(__f._M_mask);
       return __os;
     }


   struct _Setbase { int _M_base; };

   /**
    *  @brief  Manipulator for @c setf.
    *  @param  __base  A numeric base.
    *
    *  Sent to a stream object, this manipulator changes the
    *  @c ios_base::basefield flags to @c oct, @c dec, or @c hex when @a base
    *  is 8, 10, or 16, accordingly, and to 0 if @a __base is any other value.
   */
   inline _Setbase
   setbase(int __base)
   { return { __base }; }

   template<typename _CharT, typename _Traits>
     inline basic_istream<_CharT, _Traits>&
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
     {
       __is.setf(__f._M_base ==  8 ? ios_base::oct :
 		__f._M_base == 10 ? ios_base::dec :
 		__f._M_base == 16 ? ios_base::hex :
 		ios_base::fmtflags(0), ios_base::basefield);
       return __is;
     }

   template<typename _CharT, typename _Traits>
     inline basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setbase __f)
     {
       __os.setf(__f._M_base ==  8 ? ios_base::oct :
 		__f._M_base == 10 ? ios_base::dec :
 		__f._M_base == 16 ? ios_base::hex :
 		ios_base::fmtflags(0), ios_base::basefield);
       return __os;
     }


   template<typename _CharT>
     struct _Setfill { _CharT _M_c; };

   /**
    *  @brief  Manipulator for @c fill.
    *  @param  __c  The new fill character.
    *
    *  Sent to a stream object, this manipulator calls @c fill(__c) for that
    *  object.
   */
   template<typename _CharT>
     inline _Setfill<_CharT>
     setfill(_CharT __c)
     { return { __c }; }

   template<typename _CharT, typename _Traits>
     __attribute__((__deprecated__("'std::setfill' should only be used with "
 				  "output streams")))
     inline basic_istream<_CharT, _Traits>&
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
     {
       __is.fill(__f._M_c);
       return __is;
     }

   template<typename _CharT, typename _Traits>
     inline basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setfill<_CharT> __f)
     {
       __os.fill(__f._M_c);
       return __os;
     }


   struct _Setprecision { int _M_n; };

   /**
    *  @brief  Manipulator for @c precision.
    *  @param  __n  The new precision.
    *
    *  Sent to a stream object, this manipulator calls @c precision(__n) for
    *  that object.
   */
   inline _Setprecision
   setprecision(int __n)
   { return { __n }; }

   template<typename _CharT, typename _Traits>
     inline basic_istream<_CharT, _Traits>&
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
     {
       __is.precision(__f._M_n);
       return __is;
     }

   template<typename _CharT, typename _Traits>
     inline basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setprecision __f)
     {
       __os.precision(__f._M_n);
       return __os;
     }


   struct _Setw { int _M_n; };

   /**
    *  @brief  Manipulator for @c width.
    *  @param  __n  The new width.
    *
    *  Sent to a stream object, this manipulator calls @c width(__n) for
    *  that object.
   */
   inline _Setw
   setw(int __n)
   { return { __n }; }

   template<typename _CharT, typename _Traits>
     inline basic_istream<_CharT, _Traits>&
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f)
     {
       __is.width(__f._M_n);
       return __is;
     }

   template<typename _CharT, typename _Traits>
     inline basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Setw __f)
     {
       __os.width(__f._M_n);
       return __os;
     }

 #if __cplusplus >= 201103L

   template<typename _MoneyT>
     struct _Get_money { _MoneyT& _M_mon; bool _M_intl; };

   /**
    *  @brief  Extended manipulator for extracting money.
    *  @param  __mon  Either long double or a specialization of @c basic_string.
    *  @param  __intl A bool indicating whether international format
    *                 is to be used.
    *
    *  Sent to a stream object, this manipulator extracts @a __mon.
   */
   template<typename _MoneyT>
     inline _Get_money<_MoneyT>
     get_money(_MoneyT& __mon, bool __intl = false)
     { return { __mon, __intl }; }

   template<typename _CharT, typename _Traits, typename _MoneyT>
     basic_istream<_CharT, _Traits>&
     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f)
     {
       typename basic_istream<_CharT, _Traits>::sentry __cerb(__is, false);
       if (__cerb)
 	{
 	  ios_base::iostate __err = ios_base::goodbit;
 	  __try
 	    {
 	      typedef istreambuf_iterator<_CharT, _Traits>   _Iter;
 	      typedef money_get<_CharT, _Iter>               _MoneyGet;

 	      const _MoneyGet& __mg = use_facet<_MoneyGet>(__is.getloc());
 	      __mg.get(_Iter(__is.rdbuf()), _Iter(), __f._M_intl,
 		       __is, __err, __f._M_mon);
 	    }
 	  __catch(__cxxabiv1::__forced_unwind&)
 	    {
 	      __is._M_setstate(ios_base::badbit);
 	      __throw_exception_again;
 	    }
 	  __catch(...)
 	    { __is._M_setstate(ios_base::badbit); }
 	  if (__err)
 	    __is.setstate(__err);
 	}
       return __is;
     }


   template<typename _MoneyT>
     struct _Put_money { const _MoneyT& _M_mon; bool _M_intl; };

   /**
    *  @brief  Extended manipulator for inserting money.
    *  @param  __mon  Either long double or a specialization of @c basic_string.
    *  @param  __intl A bool indicating whether international format
    *                 is to be used.
    *
    *  Sent to a stream object, this manipulator inserts @a __mon.
   */
   template<typename _MoneyT>
     inline _Put_money<_MoneyT>
     put_money(const _MoneyT& __mon, bool __intl = false)
     { return { __mon, __intl }; }

   template<typename _CharT, typename _Traits, typename _MoneyT>
     basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_money<_MoneyT> __f)
     {
       typename basic_ostream<_CharT, _Traits>::sentry __cerb(__os);
       if (__cerb)
 	{
 	  ios_base::iostate __err = ios_base::goodbit;
 	  __try
 	    {
 	      typedef ostreambuf_iterator<_CharT, _Traits>   _Iter;
 	      typedef money_put<_CharT, _Iter>               _MoneyPut;

 	      const _MoneyPut& __mp = use_facet<_MoneyPut>(__os.getloc());
 	      if (__mp.put(_Iter(__os.rdbuf()), __f._M_intl, __os,
 			   __os.fill(), __f._M_mon).failed())
 		__err |= ios_base::badbit;
 	    }
 	  __catch(__cxxabiv1::__forced_unwind&)
 	    {
 	      __os._M_setstate(ios_base::badbit);
 	      __throw_exception_again;
 	    }
 	  __catch(...)
 	    { __os._M_setstate(ios_base::badbit); }
 	  if (__err)
 	    __os.setstate(__err);
 	}
       return __os;
     }

   template<typename _CharT>
     struct _Put_time
     {
       const std::tm* _M_tmb;
       const _CharT* _M_fmt;
     };

   /**
    *  @brief  Extended manipulator for formatting time.
    *
    *  This manipulator uses time_put::put to format time.
    *  [ext.manip]
    *
    *  @param __tmb  struct tm time data to format.
    *  @param __fmt  format string.
    */
   template<typename _CharT>
     inline _Put_time<_CharT>
     put_time(const std::tm* __tmb, const _CharT* __fmt)
     { return { __tmb, __fmt }; }

   template<typename _CharT, typename _Traits>
     basic_ostream<_CharT, _Traits>&
     operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_time<_CharT> __f)
     {
       typename basic_ostream<_CharT, _Traits>::sentry __cerb(__os);
       if (__cerb)
         {
           ios_base::iostate __err = ios_base::goodbit;
           __try
             {
               typedef ostreambuf_iterator<_CharT, _Traits>   _Iter;
               typedef time_put<_CharT, _Iter>                _TimePut;

               const _CharT* const __fmt_end = __f._M_fmt +
                 _Traits::length(__f._M_fmt);

               const _TimePut& __mp = use_facet<_TimePut>(__os.getloc());
               if (__mp.put(_Iter(__os.rdbuf()), __os, __os.fill(),
                            __f._M_tmb, __f._M_fmt, __fmt_end).failed())
                 __err |= ios_base::badbit;
             }
           __catch(__cxxabiv1::__forced_unwind&)
             {
               __os._M_setstate(ios_base::badbit);
               __throw_exception_again;
             }
           __catch(...)
             { __os._M_setstate(ios_base::badbit); }
           if (__err)
             __os.setstate(__err);
         }
       return __os;
     }

   template<typename _CharT>
     struct _Get_time
     {
       std::tm*	    _M_tmb;
       const _CharT* _M_fmt;
     };

   /**
    *  @brief  Extended manipulator for extracting time.
    *
    *  This manipulator uses time_get::get to extract time.
    *  [ext.manip]
    *
    *  @param __tmb  struct to extract the time data to.
    *  @param __fmt  format string.
    */
   template<typename _CharT>
     inline _Get_time<_CharT>
     get_time(std::tm* __tmb, const _CharT* __fmt)
     { return { __tmb, __fmt }; }

   template<typename _CharT, typename _Traits>
     basic_istream<_CharT, _Traits>&
     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f)
     {
       typename basic_istream<_CharT, _Traits>::sentry __cerb(__is, false);
       if (__cerb)
         {
           ios_base::iostate __err = ios_base::goodbit;
           __try
             {
               typedef istreambuf_iterator<_CharT, _Traits>   _Iter;
               typedef time_get<_CharT, _Iter>                _TimeGet;

               const _CharT* const __fmt_end = __f._M_fmt +
                 _Traits::length(__f._M_fmt);

               const _TimeGet& __mg = use_facet<_TimeGet>(__is.getloc());
               __mg.get(_Iter(__is.rdbuf()), _Iter(), __is,
                        __err, __f._M_tmb, __f._M_fmt, __fmt_end);
             }
           __catch(__cxxabiv1::__forced_unwind&)
             {
               __is._M_setstate(ios_base::badbit);
               __throw_exception_again;
             }
           __catch(...)
             { __is._M_setstate(ios_base::badbit); }
           if (__err)
             __is.setstate(__err);
         }
       return __is;
     }

 #ifdef __cpp_lib_quoted_string_io // C++ >= 14 && HOSTED

   /**
    * @brief Manipulator for quoted strings.
    * @param __string String to quote.
    * @param __delim  Character to quote string with.
    * @param __escape Escape character to escape itself or quote character.
    * @since C++14
    */
   template<typename _CharT>
     inline auto
     quoted(const _CharT* __string,
 	   _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\'))
     {
       return __detail::_Quoted_string<const _CharT*, _CharT>(__string, __delim,
 							     __escape);
     }

   template<typename _CharT, typename _Traits, typename _Alloc>
     inline auto
     quoted(const basic_string<_CharT, _Traits, _Alloc>& __string,
 	   _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\'))
     {
       return __detail::_Quoted_string<
 	const basic_string<_CharT, _Traits, _Alloc>&, _CharT>(
 	    __string, __delim, __escape);
     }

   template<typename _CharT, typename _Traits, typename _Alloc>
     inline auto
     quoted(basic_string<_CharT, _Traits, _Alloc>& __string,
 	   _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\'))
     {
       return __detail::_Quoted_string<
 	basic_string<_CharT, _Traits, _Alloc>&, _CharT>(
 	    __string, __delim, __escape);
     }

 #if __cplusplus >= 201703L
   // _GLIBCXX_RESOLVE_LIB_DEFECTS
   // 2785. quoted should work with basic_string_view
   template<typename _CharT, typename _Traits>
     inline auto
     quoted(basic_string_view<_CharT, _Traits> __sv,
 	   _CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\'))
     {
       return __detail::_Quoted_string<
 	basic_string_view<_CharT, _Traits>, _CharT>(__sv, __delim, __escape);
     }
 #endif // C++17
 #endif // __cpp_lib_quoted_string_io

 #endif // __cplusplus >= 201103L

   // Inhibit implicit instantiations for required instantiations,
   // which are defined via explicit instantiations elsewhere.
   // NB:  This syntax is a GNU extension.
 #if _GLIBCXX_EXTERN_TEMPLATE
   extern template ostream& operator<<(ostream&, _Setfill<char>);
   extern template ostream& operator<<(ostream&, _Setiosflags);
   extern template ostream& operator<<(ostream&, _Resetiosflags);
   extern template ostream& operator<<(ostream&, _Setbase);
   extern template ostream& operator<<(ostream&, _Setprecision);
   extern template ostream& operator<<(ostream&, _Setw);
   extern template istream& operator>>(istream&, _Setfill<char>);
   extern template istream& operator>>(istream&, _Setiosflags);
   extern template istream& operator>>(istream&, _Resetiosflags);
   extern template istream& operator>>(istream&, _Setbase);
   extern template istream& operator>>(istream&, _Setprecision);
   extern template istream& operator>>(istream&, _Setw);

 #ifdef _GLIBCXX_USE_WCHAR_T
   extern template wostream& operator<<(wostream&, _Setfill<wchar_t>);
   extern template wostream& operator<<(wostream&, _Setiosflags);
   extern template wostream& operator<<(wostream&, _Resetiosflags);
   extern template wostream& operator<<(wostream&, _Setbase);
   extern template wostream& operator<<(wostream&, _Setprecision);
   extern template wostream& operator<<(wostream&, _Setw);
   extern template wistream& operator>>(wistream&, _Setfill<wchar_t>);
   extern template wistream& operator>>(wistream&, _Setiosflags);
   extern template wistream& operator>>(wistream&, _Resetiosflags);
   extern template wistream& operator>>(wistream&, _Setbase);
   extern template wistream& operator>>(wistream&, _Setprecision);
   extern template wistream& operator>>(wistream&, _Setw);
 #endif
 #endif

 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace

 #pragma GCC diagnostic pop
 #endif /* _GLIBCXX_IOMANIP */
	// Standard stream manipulators -- C++ --

	// Copyright (C) 1997-2025 Free Software Foundation, Inc.
	//
	// This file is part of the GNU ISO C++ Library. This library is free
	// software; you can redistribute it and/or modify it under the
	// terms of the GNU General Public License as published by the
	// Free Software Foundation; either version 3, or (at your option)
	// any later version.

	// This library is distributed in the hope that it will be useful,
	// but WITHOUT ANY WARRANTY; without even the implied warranty of
	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	// GNU General Public License for more details.

	// Under Section 7 of GPL version 3, you are granted additional
	// permissions described in the GCC Runtime Library Exception, version
	// 3.1, as published by the Free Software Foundation.

	// You should have received a copy of the GNU General Public License and
	// a copy of the GCC Runtime Library Exception along with this program;
	// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
	// <http://www.gnu.org/licenses/>.

	/** @file include/iomanip
	* This is a Standard C++ Library header.
	*/

	//
	// ISO C++ 14882: 27.6.3 Standard manipulators
	//

	#ifndef _GLIBCXX_IOMANIP
	#define _GLIBCXX_IOMANIP 1

	#ifdef _GLIBCXX_SYSHDR
	#pragma GCC system_header
	#endif

	#pragma GCC diagnostic push
	#pragma GCC diagnostic ignored "-Wc++11-extensions"

	#include <bits/requires_hosted.h> // iostreams

	#include <bits/c++config.h>
	#include <iosfwd>
	#include <bits/ios_base.h>

	#define __glibcxx_want_quoted_string_io
	#include <bits/version.h>

	#if __cplusplus >= 201103L
	#include <locale>
	#if __cplusplus > 201103L
	#include <bits/quoted_string.h>
	#endif
	#endif

	namespace std _GLIBCXX_VISIBILITY(default)
	{
	_GLIBCXX_BEGIN_NAMESPACE_VERSION

	// [27.6.3] standard manipulators
	// Also see DR 183.

	struct _Resetiosflags { ios_base::fmtflags _M_mask; };

	/**
	* @brief Manipulator for @c setf.
	* @param __mask A format flags mask.
	*
	* Sent to a stream object, this manipulator resets the specified flags,
	* via @e stream.setf(0,__mask).
	*/
	inline _Resetiosflags
	resetiosflags(ios_base::fmtflags __mask)
	{ return { __mask }; }

	template<typename _CharT, typename _Traits>
	inline basic_istream<_CharT, _Traits>&
	operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
	{
	__is.setf(ios_base::fmtflags(0), __f._M_mask);
	return __is;
	}

	template<typename _CharT, typename _Traits>
	inline basic_ostream<_CharT, _Traits>&
	operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f)
	{
	__os.setf(ios_base::fmtflags(0), __f._M_mask);
	return __os;
	}


	struct _Setiosflags { ios_base::fmtflags _M_mask; };

	/**
	* @brief Manipulator for @c setf.
	* @param __mask A format flags mask.
	*
	* Sent to a stream object, this manipulator sets the format flags
	* to @a __mask.
	*/
	inline _Setiosflags
	setiosflags(ios_base::fmtflags __mask)
	{ return { __mask }; }

	template<typename _CharT, typename _Traits>
	inline basic_istream<_CharT, _Traits>&
	operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
	{
	__is.setf(__f._M_mask);
	return __is;
	}

	template<typename _CharT, typename _Traits>
	inline basic_ostream<_CharT, _Traits>&
	operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f)
	{
	__os.setf(__f._M_mask);
	return __os;
	}


	struct _Setbase { int _M_base; };

	/**
	* @brief Manipulator for @c setf.
	* @param __base A numeric base.
	*
	* Sent to a stream object, this manipulator changes the
	* @c ios_base::basefield flags to @c oct, @c dec, or @c hex when @a base
	* is 8, 10, or 16, accordingly, and to 0 if @a __base is any other value.
	*/
	inline _Setbase
	setbase(int __base)
	{ return { __base }; }

	template<typename _CharT, typename _Traits>
	inline basic_istream<_CharT, _Traits>&
	operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
	{
	__is.setf(__f._M_base == 8 ? ios_base::oct :
	__f._M_base == 10 ? ios_base::dec :
	__f._M_base == 16 ? ios_base::hex :
	ios_base::fmtflags(0), ios_base::basefield);
	return __is;
	}

	template<typename _CharT, typename _Traits>
	inline basic_ostream<_CharT, _Traits>&
	operator<<(basic_ostream<_CharT, _Traits>& __os, _Setbase __f)
	{
	__os.setf(__f._M_base == 8 ? ios_base::oct :
	__f._M_base == 10 ? ios_base::dec :
	__f._M_base == 16 ? ios_base::hex :
	ios_base::fmtflags(0), ios_base::basefield);
	return __os;
	}


	template<typename _CharT>
	struct _Setfill { _CharT _M_c; };

	/**
	* @brief Manipulator for @c fill.
	* @param __c The new fill character.
	*
	* Sent to a stream object, this manipulator calls @c fill(__c) for that
	* object.
	*/
	template<typename _CharT>
	inline _Setfill<_CharT>
	setfill(_CharT __c)
	{ return { __c }; }

	template<typename _CharT, typename _Traits>
	__attribute__((__deprecated__("'std::setfill' should only be used with "
	"output streams")))
	inline basic_istream<_CharT, _Traits>&
	operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
	{
	__is.fill(__f._M_c);
	return __is;
	}

	template<typename _CharT, typename _Traits>
	inline basic_ostream<_CharT, _Traits>&
	operator<<(basic_ostream<_CharT, _Traits>& __os, _Setfill<_CharT> __f)
	{
	__os.fill(__f._M_c);
	return __os;
	}


	struct _Setprecision { int _M_n; };

	/**
	* @brief Manipulator for @c precision.
	* @param __n The new precision.
	*
	* Sent to a stream object, this manipulator calls @c precision(__n) for
	* that object.
	*/
	inline _Setprecision
	setprecision(int __n)
	{ return { __n }; }

	template<typename _CharT, typename _Traits>
	inline basic_istream<_CharT, _Traits>&
	operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
	{
	__is.precision(__f._M_n);
	return __is;
	}

	template<typename _CharT, typename _Traits>
	inline basic_ostream<_CharT, _Traits>&
	operator<<(basic_ostream<_CharT, _Traits>& __os, _Setprecision __f)
	{
	__os.precision(__f._M_n);
	return __os;
	}


	struct _Setw { int _M_n; };

	/**
	* @brief Manipulator for @c width.
	* @param __n The new width.
	*
	* Sent to a stream object, this manipulator calls @c width(__n) for
	* that object.
	*/
	inline _Setw
	setw(int __n)
	{ return { __n }; }

	template<typename _CharT, typename _Traits>
	inline basic_istream<_CharT, _Traits>&
	operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f)
	{
	__is.width(__f._M_n);
	return __is;
	}

	template<typename _CharT, typename _Traits>
	inline basic_ostream<_CharT, _Traits>&
	operator<<(basic_ostream<_CharT, _Traits>& __os, _Setw __f)
	{
	__os.width(__f._M_n);
	return __os;
	}

	#if __cplusplus >= 201103L

	template<typename _MoneyT>
	struct _Get_money { _MoneyT& _M_mon; bool _M_intl; };

	/**
	* @brief Extended manipulator for extracting money.
	* @param __mon Either long double or a specialization of @c basic_string.
	* @param __intl A bool indicating whether international format
	* is to be used.
	*
	* Sent to a stream object, this manipulator extracts @a __mon.
	*/
	template<typename _MoneyT>
	inline _Get_money<_MoneyT>
	get_money(_MoneyT& __mon, bool __intl = false)
	{ return { __mon, __intl }; }

	template<typename _CharT, typename _Traits, typename _MoneyT>
	basic_istream<_CharT, _Traits>&
	operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f)
	{
	typename basic_istream<_CharT, _Traits>::sentry __cerb(__is, false);
	if (__cerb)
	{
	ios_base::iostate __err = ios_base::goodbit;
	__try
	{
	typedef istreambuf_iterator<_CharT, _Traits> _Iter;
	typedef money_get<_CharT, _Iter> _MoneyGet;

	const _MoneyGet& __mg = use_facet<_MoneyGet>(__is.getloc());
	__mg.get(_Iter(__is.rdbuf()), _Iter(), __f._M_intl,
	__is, __err, __f._M_mon);
	}
	__catch(__cxxabiv1::__forced_unwind&)
	{
	__is._M_setstate(ios_base::badbit);
	__throw_exception_again;
	}
	__catch(...)
	{ __is._M_setstate(ios_base::badbit); }
	if (__err)
	__is.setstate(__err);
	}
	return __is;
	}


	template<typename _MoneyT>
	struct _Put_money { const _MoneyT& _M_mon; bool _M_intl; };

	/**
	* @brief Extended manipulator for inserting money.
	* @param __mon Either long double or a specialization of @c basic_string.
	* @param __intl A bool indicating whether international format
	* is to be used.
	*
	* Sent to a stream object, this manipulator inserts @a __mon.
	*/
	template<typename _MoneyT>
	inline _Put_money<_MoneyT>
	put_money(const _MoneyT& __mon, bool __intl = false)
	{ return { __mon, __intl }; }

	template<typename _CharT, typename _Traits, typename _MoneyT>
	basic_ostream<_CharT, _Traits>&
	operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_money<_MoneyT> __f)
	{
	typename basic_ostream<_CharT, _Traits>::sentry __cerb(__os);
	if (__cerb)
	{
	ios_base::iostate __err = ios_base::goodbit;
	__try
	{
	typedef ostreambuf_iterator<_CharT, _Traits> _Iter;
	typedef money_put<_CharT, _Iter> _MoneyPut;

	const _MoneyPut& __mp = use_facet<_MoneyPut>(__os.getloc());
	if (__mp.put(_Iter(__os.rdbuf()), __f._M_intl, __os,
	__os.fill(), __f._M_mon).failed())
	__err \|= ios_base::badbit;
	}
	__catch(__cxxabiv1::__forced_unwind&)
	{
	__os._M_setstate(ios_base::badbit);
	__throw_exception_again;
	}
	__catch(...)
	{ __os._M_setstate(ios_base::badbit); }
	if (__err)
	__os.setstate(__err);
	}
	return __os;
	}

	template<typename _CharT>
	struct _Put_time
	{
	const std::tm* _M_tmb;
	const _CharT* _M_fmt;
	};

	/**
	* @brief Extended manipulator for formatting time.
	*
	* This manipulator uses time_put::put to format time.
	* [ext.manip]
	*
	* @param __tmb struct tm time data to format.
	* @param __fmt format string.
	*/
	template<typename _CharT>
	inline _Put_time<_CharT>
	put_time(const std::tm* __tmb, const _CharT* __fmt)
	{ return { __tmb, __fmt }; }

	template<typename _CharT, typename _Traits>
	basic_ostream<_CharT, _Traits>&
	operator<<(basic_ostream<_CharT, _Traits>& __os, _Put_time<_CharT> __f)
	{
	typename basic_ostream<_CharT, _Traits>::sentry __cerb(__os);
	if (__cerb)
	{
	ios_base::iostate __err = ios_base::goodbit;
	__try
	{
	typedef ostreambuf_iterator<_CharT, _Traits> _Iter;
	typedef time_put<_CharT, _Iter> _TimePut;

	const _CharT* const __fmt_end = __f._M_fmt +
	_Traits::length(__f._M_fmt);

	const _TimePut& __mp = use_facet<_TimePut>(__os.getloc());
	if (__mp.put(_Iter(__os.rdbuf()), __os, __os.fill(),
	__f._M_tmb, __f._M_fmt, __fmt_end).failed())
	__err \|= ios_base::badbit;
	}
	__catch(__cxxabiv1::__forced_unwind&)
	{
	__os._M_setstate(ios_base::badbit);
	__throw_exception_again;
	}
	__catch(...)
	{ __os._M_setstate(ios_base::badbit); }
	if (__err)
	__os.setstate(__err);
	}
	return __os;
	}

	template<typename _CharT>
	struct _Get_time
	{
	std::tm* _M_tmb;
	const _CharT* _M_fmt;
	};

	/**
	* @brief Extended manipulator for extracting time.
	*
	* This manipulator uses time_get::get to extract time.
	* [ext.manip]
	*
	* @param __tmb struct to extract the time data to.
	* @param __fmt format string.
	*/
	template<typename _CharT>
	inline _Get_time<_CharT>
	get_time(std::tm* __tmb, const _CharT* __fmt)
	{ return { __tmb, __fmt }; }

	template<typename _CharT, typename _Traits>
	basic_istream<_CharT, _Traits>&
	operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f)
	{
	typename basic_istream<_CharT, _Traits>::sentry __cerb(__is, false);
	if (__cerb)
	{
	ios_base::iostate __err = ios_base::goodbit;
	__try
	{
	typedef istreambuf_iterator<_CharT, _Traits> _Iter;
	typedef time_get<_CharT, _Iter> _TimeGet;

	const _CharT* const __fmt_end = __f._M_fmt +
	_Traits::length(__f._M_fmt);

	const _TimeGet& __mg = use_facet<_TimeGet>(__is.getloc());
	__mg.get(_Iter(__is.rdbuf()), _Iter(), __is,
	__err, __f._M_tmb, __f._M_fmt, __fmt_end);
	}
	__catch(__cxxabiv1::__forced_unwind&)
	{
	__is._M_setstate(ios_base::badbit);
	__throw_exception_again;
	}
	__catch(...)
	{ __is._M_setstate(ios_base::badbit); }
	if (__err)
	__is.setstate(__err);
	}
	return __is;
	}

	#ifdef __cpp_lib_quoted_string_io // C++ >= 14 && HOSTED

	/**
	* @brief Manipulator for quoted strings.
	* @param __string String to quote.
	* @param __delim Character to quote string with.
	* @param __escape Escape character to escape itself or quote character.
	* @since C++14
	*/
	template<typename _CharT>
	inline auto
	quoted(const _CharT* __string,
	_CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\'))
	{
	return __detail::_Quoted_string<const _CharT*, _CharT>(__string, __delim,
	__escape);
	}

	template<typename _CharT, typename _Traits, typename _Alloc>
	inline auto
	quoted(const basic_string<_CharT, _Traits, _Alloc>& __string,
	_CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\'))
	{
	return __detail::_Quoted_string<
	const basic_string<_CharT, _Traits, _Alloc>&, _CharT>(
	__string, __delim, __escape);
	}

	template<typename _CharT, typename _Traits, typename _Alloc>
	inline auto
	quoted(basic_string<_CharT, _Traits, _Alloc>& __string,
	_CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\'))
	{
	return __detail::_Quoted_string<
	basic_string<_CharT, _Traits, _Alloc>&, _CharT>(
	__string, __delim, __escape);
	}

	#if __cplusplus >= 201703L
	// _GLIBCXX_RESOLVE_LIB_DEFECTS
	// 2785. quoted should work with basic_string_view
	template<typename _CharT, typename _Traits>
	inline auto
	quoted(basic_string_view<_CharT, _Traits> __sv,
	_CharT __delim = _CharT('"'), _CharT __escape = _CharT('\\'))
	{
	return __detail::_Quoted_string<
	basic_string_view<_CharT, _Traits>, _CharT>(__sv, __delim, __escape);
	}
	#endif // C++17
	#endif // __cpp_lib_quoted_string_io

	#endif // __cplusplus >= 201103L

	// Inhibit implicit instantiations for required instantiations,
	// which are defined via explicit instantiations elsewhere.
	// NB: This syntax is a GNU extension.
	#if _GLIBCXX_EXTERN_TEMPLATE
	extern template ostream& operator<<(ostream&, _Setfill<char>);
	extern template ostream& operator<<(ostream&, _Setiosflags);
	extern template ostream& operator<<(ostream&, _Resetiosflags);
	extern template ostream& operator<<(ostream&, _Setbase);
	extern template ostream& operator<<(ostream&, _Setprecision);
	extern template ostream& operator<<(ostream&, _Setw);
	extern template istream& operator>>(istream&, _Setfill<char>);
	extern template istream& operator>>(istream&, _Setiosflags);
	extern template istream& operator>>(istream&, _Resetiosflags);
	extern template istream& operator>>(istream&, _Setbase);
	extern template istream& operator>>(istream&, _Setprecision);
	extern template istream& operator>>(istream&, _Setw);

	#ifdef _GLIBCXX_USE_WCHAR_T
	extern template wostream& operator<<(wostream&, _Setfill<wchar_t>);
	extern template wostream& operator<<(wostream&, _Setiosflags);
	extern template wostream& operator<<(wostream&, _Resetiosflags);
	extern template wostream& operator<<(wostream&, _Setbase);
	extern template wostream& operator<<(wostream&, _Setprecision);
	extern template wostream& operator<<(wostream&, _Setw);
	extern template wistream& operator>>(wistream&, _Setfill<wchar_t>);
	extern template wistream& operator>>(wistream&, _Setiosflags);
	extern template wistream& operator>>(wistream&, _Resetiosflags);
	extern template wistream& operator>>(wistream&, _Setbase);
	extern template wistream& operator>>(wistream&, _Setprecision);
	extern template wistream& operator>>(wistream&, _Setw);
	#endif
	#endif

	_GLIBCXX_END_NAMESPACE_VERSION
	} // namespace

	#pragma GCC diagnostic pop
	#endif /* _GLIBCXX_IOMANIP */