//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// iostream.hfa --
//
// Author           : Peter A. Buhr
// Created On       : Wed May 27 17:56:53 2015
// Last Modified By : Peter A. Buhr
// Last Modified On : Wed Aug  9 16:47:05 2023
// Update Count     : 500
//

#pragma once

#include "iterator.hfa"


// *********************************** ostream ***********************************


forall( ostype & )
trait basic_ostream {
	// private
	bool sepPrt$( ostype & );							// get separator state (on/off)
	void sepReset$( ostype & );							// set separator state to default state
	void sepReset$( ostype &, bool );					// set separator and default state
	const char * sepGetCur$( ostype & );				// get current separator string
	void sepSetCur$( ostype &, const char [] );			// set current separator string
	bool getNL$( ostype & );							// check newline
	void setNL$( ostype &, bool );						// saw newline
	bool getANL$( ostype & );							// get auto newline (on/off)
	bool getPrt$( ostype & );							// get fmt called in output cascade
	void setPrt$( ostype &, bool );						// set fmt called in output cascade
	// public
	void nlOn( ostype & );								// turn auto-newline state on
	void nlOff( ostype & );								// turn auto-newline state off

	void sep( ostype & );								// turn separator state on
	void nosep( ostype & );								// turn separator state off
	bool sepOn( ostype & );								// set default state to on, and return previous state
	bool sepOff( ostype & );							// set default state to off, and return previous state
	const char * sepGet( ostype & );					// get separator string
	void sepSet( ostype &, const char [] );				// set separator to string (15 character maximum)
	const char * sepGetTuple( ostype & );				// get tuple separator string
	void sepSetTuple( ostype &, const char [] );		// set tuple separator to string (15 character maximum)

	void ends( ostype & );								// end of output statement
	int fmt( ostype &, const char format[], ... ) __attribute__(( format(printf, 2, 3) ));
}; // basic_ostream

forall( ostype & | basic_ostream( ostype ) )
trait ostream {
	bool fail( ostype & );								// operation failed?
	void clear( ostype & );
	int flush( ostype & );
	void open( ostype &, const char name[], const char mode[] );
	void close( ostype & );
	ostype & write( ostype &, const char [], size_t );
}; // ostream

// forall( T )
// trait writeable {
// 	forall( ostype & | ostream( ostype ) ) ostype & ?|?( ostype &, T );
// }; // writeable

forall( T, ostype & | ostream( ostype ) )
trait writeable {
	ostype & ?|?( ostype &, T );
}; // writeable

// implement writable for intrinsic types

#define OSTYPE_VOID( T ) void ?|?( ostype &, T )
#define OSTYPE_VOID_IMPL( T ) \
	void ?|?( ostype & os, T t ) { \
		(ostype &)(os | t); ends( os ); \
	} // ?|?

forall( ostype & | basic_ostream( ostype ) ) {
	ostype & ?|?( ostype &, bool );
	OSTYPE_VOID( bool );

	ostype & ?|?( ostype &, char );
	OSTYPE_VOID( char );
	ostype & ?|?( ostype &, signed char );
	OSTYPE_VOID( signed char );
	ostype & ?|?( ostype &, unsigned char );
	OSTYPE_VOID( unsigned char );

	ostype & ?|?( ostype &, short int );
	OSTYPE_VOID( short int );
	ostype & ?|?( ostype &, unsigned short int );
	OSTYPE_VOID( unsigned short int );
	ostype & ?|?( ostype &, int );
	OSTYPE_VOID( int );
	ostype & ?|?( ostype &, unsigned int );
	OSTYPE_VOID( unsigned int );
	ostype & ?|?( ostype &, long int );
	OSTYPE_VOID( long int );
	ostype & ?|?( ostype &, long long int );
	OSTYPE_VOID( long long int );
	ostype & ?|?( ostype &, unsigned long int );
	OSTYPE_VOID( unsigned long int );
	ostype & ?|?( ostype &, unsigned long long int );
	OSTYPE_VOID( unsigned long long int );
	#if defined( __SIZEOF_INT128__ )
	ostype & ?|?( ostype &, int128 );
	OSTYPE_VOID( int128 );
	ostype & ?|?( ostype &, unsigned int128 );
	OSTYPE_VOID( unsigned int128 );
	#endif // __SIZEOF_INT128__

	ostype & ?|?( ostype &, float );
	OSTYPE_VOID( float );
	ostype & ?|?( ostype &, double );
	OSTYPE_VOID( double );
	ostype & ?|?( ostype &, long double );
	OSTYPE_VOID( long double );

	ostype & ?|?( ostype &, float _Complex );
	OSTYPE_VOID( float _Complex );
	ostype & ?|?( ostype &, double _Complex );
	OSTYPE_VOID( double _Complex );
	ostype & ?|?( ostype &, long double _Complex );
	OSTYPE_VOID( long double _Complex );

	ostype & ?|?( ostype &, const char [] );
	OSTYPE_VOID( const char [] );
	// ostype & ?|?( ostype &, const char16_t [] );
	#if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
	// ostype & ?|?( ostype &, const char32_t [] );
	#endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
	// ostype & ?|?( ostype &, const wchar_t [] );
	ostype & ?|?( ostype &, const void * );
	OSTYPE_VOID( const void * );

	// FIX-ME: does not work so using macros
	// forall( T | { ostype & ?|?( ostype &, T ); } )
	// void ?|?( ostype & os, T );

	// manipulators
	ostype & ?|?( ostype &, ostype & (*)( ostype & ) );
	OSTYPE_VOID( ostype & (*)( ostype & ) );

	ostype & nl( ostype & );
	ostype & nonl( ostype & );
	ostype & nlOn( ostype & );
	ostype & nlOff( ostype & );

	ostype & sepVal( ostype & );
	ostype & sepTupleVal( ostype & );
	ostype & sep( ostype & );
	ostype & nosep( ostype & );
	ostype & sepOn( ostype & );
	ostype & sepOff( ostype & );
} // distribution

// tuples
forall( ostype &, T, Params... | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) {
	ostype & ?|?( ostype & os, T arg, Params rest );
	void ?|?( ostype & os, T arg, Params rest );
} // distribution

// writes the range [begin, end) to the given stream
forall( ostype &, elt_type | writeable( elt_type, ostype ), iterator_type | iterator( iterator_type, elt_type ) ) {
	void write( iterator_type begin, iterator_type end, ostype & os );
	void write_reverse( iterator_type begin, iterator_type end, ostype & os );
} // distribution

// *********************************** manipulators ***********************************

struct _Ostream_Flags {
	unsigned char eng:1;								// engineering notation
	unsigned char neg:1;								// val is negative
	unsigned char pc:1;									// precision specified
	unsigned char left:1;								// left justify
	unsigned char nobsdp:1;								// base prefix / decimal point
	unsigned char sign:1;								// plus / minus sign
	unsigned char pad0:1;								// zero pad
};

forall( T )
struct _Ostream_Manip {
	T val;												// polymorphic base-type
	int wd, pc;											// width, precision: signed for computations
	char base;											// numeric base / floating-point style
	union {
		unsigned char all;
		_Ostream_Flags flags;
	};
}; // _Ostream_Manip

// *********************************** integral ***********************************

// See 6.7.9. 19) The initialization shall occur in initializer list order, each initializer provided for a particular
// subobject overriding any previously listed initializer for the same subobject; ***all subobjects that are not
// initialized explicitly shall be initialized implicitly the same as objects that have static storage duration.***

#define INTEGRAL_FMT_DECL( T, CODE ) \
static inline { \
	_Ostream_Manip(T) bin( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'b', { .all : 0 } }; } \
	_Ostream_Manip(T) oct( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'o', { .all : 0 } }; } \
	_Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'x', { .all : 0 } }; } \
	_Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, CODE, { .all : 0 } }; } \
	_Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, CODE, { .flags.pc : true } }; } \
	_Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
	_Ostream_Manip(T) & wd( unsigned int w, unsigned int pc, _Ostream_Manip(T) & fmt ) { fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; } \
	_Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
	_Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { if ( fmt.base == 'x' || fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; } \
	_Ostream_Manip(T) & nobase( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
	_Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
	_Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, CODE, { .flags.sign : true } }; } \
	_Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
} /* distribution */ \
forall( ostype & | basic_ostream( ostype ) ) { \
	ostype & ?|?( ostype & os, _Ostream_Manip(T) f ); \
	OSTYPE_VOID( _Ostream_Manip(T) ); \
} // ?|?

INTEGRAL_FMT_DECL( signed char, 'd' )
INTEGRAL_FMT_DECL( unsigned char, 'u' )
INTEGRAL_FMT_DECL( signed short int, 'd' )
INTEGRAL_FMT_DECL( unsigned short int, 'u' )
INTEGRAL_FMT_DECL( signed int, 'd' )
INTEGRAL_FMT_DECL( unsigned int, 'u' )
INTEGRAL_FMT_DECL( signed long int, 'd' )
INTEGRAL_FMT_DECL( unsigned long int, 'u' )
INTEGRAL_FMT_DECL( signed long long int, 'd' )
INTEGRAL_FMT_DECL( unsigned long long int, 'u' )
#if defined( __SIZEOF_INT128__ )
INTEGRAL_FMT_DECL( int128, 'd' )
INTEGRAL_FMT_DECL( unsigned int128, 'u' )
#endif // __SIZEOF_INT128__

// *********************************** floating point ***********************************

// Default suffix for values with no fraction is "."
#define FLOATING_POINT_FMT_DECL( T ) \
static inline { \
	_Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'a', { .all : 0 } }; } \
	_Ostream_Manip(T) sci( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'e', { .all : 0 } }; } \
	_Ostream_Manip(T) eng( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.eng : true } }; } \
	_Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, 'g', { .all : 0 } }; } \
	_Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'f', { .flags.pc : true } }; } \
	_Ostream_Manip(T) ws( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'g', { .flags.pc : true } }; } \
	_Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; return fmt; } \
	_Ostream_Manip(T) & wd( unsigned int w, unsigned int pc, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; } \
	_Ostream_Manip(T) & ws( unsigned int w, unsigned int pc, _Ostream_Manip(T) & fmt ) { fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; } \
	_Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
	_Ostream_Manip(T) upcase( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'G', { .all : 0 } }; } \
	_Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { fmt.base -= 32; /* upper case */ return fmt; } \
	_Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
	_Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.sign : true } }; } \
	_Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
	_Ostream_Manip(T) nodp( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
	_Ostream_Manip(T) & nodp( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
	_Ostream_Manip(T) unit( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
	_Ostream_Manip(T) & unit( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
} /* distribution */ \
forall( ostype & | basic_ostream( ostype ) ) { \
	ostype & ?|?( ostype & os, _Ostream_Manip(T) f ); \
	OSTYPE_VOID( _Ostream_Manip(T) ); \
} // ?|?

FLOATING_POINT_FMT_DECL( double )
FLOATING_POINT_FMT_DECL( long double )

// *********************************** character ***********************************

static inline {
	_Ostream_Manip(char) bin( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'b', { .all : 0 } }; }
	_Ostream_Manip(char) oct( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'o', { .all : 0 } }; }
	_Ostream_Manip(char) hex( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'x', { .all : 0 } }; }
	_Ostream_Manip(char) wd( unsigned int w, char c ) { return (_Ostream_Manip(char))@{ c, w, 0, 'c', { .all : 0 } }; }
	_Ostream_Manip(char) & wd( unsigned int w, _Ostream_Manip(char) & fmt ) { fmt.wd = w; return fmt; }
	_Ostream_Manip(char) & left( _Ostream_Manip(char) & fmt ) { fmt.flags.left = true; return fmt; }
	_Ostream_Manip(char) & upcase( _Ostream_Manip(char) & fmt ) { if ( fmt.base == 'x' || fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; }
	_Ostream_Manip(char) & nobase( _Ostream_Manip(char) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
} // distribution
forall( ostype & | basic_ostream( ostype ) ) {
	ostype & ?|?( ostype & os, _Ostream_Manip(char) f );
	OSTYPE_VOID( _Ostream_Manip(char) ); \
} // ?|?

// *********************************** C string ***********************************

static inline {
	_Ostream_Manip(const char *) bin( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'b', { .all : 0 } }; }
	_Ostream_Manip(const char *) oct( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'o', { .all : 0 } }; }
	_Ostream_Manip(const char *) hex( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'x', { .all : 0 } }; }
	_Ostream_Manip(const char *) wd( unsigned int w, const char s[] ) { return (_Ostream_Manip(const char *))@{ s, w, 0, 's', { .all : 0 } }; }
	_Ostream_Manip(const char *) wd( unsigned int w, unsigned int pc, const char s[] ) { return (_Ostream_Manip(const char *))@{ s, w, pc, 's', { .flags.pc : true } }; }
	_Ostream_Manip(const char *) & wd( unsigned int w, _Ostream_Manip(const char *) & fmt ) { fmt.wd = w; return fmt; }
	_Ostream_Manip(const char *) & wd( unsigned int w, unsigned int pc, _Ostream_Manip(const char *) & fmt ) { fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; }
	_Ostream_Manip(const char *) & left( _Ostream_Manip(const char *) & fmt ) { fmt.flags.left = true; return fmt; }
	_Ostream_Manip(const char *) & nobase( _Ostream_Manip(const char *) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
} // distribution
forall( ostype & | basic_ostream( ostype ) ) {
	ostype & ?|?( ostype & os, _Ostream_Manip(const char *) f );
	OSTYPE_VOID( _Ostream_Manip(const char *) ); \
} // ?|?


// *********************************** istream ***********************************


#define ISTYPE_VOID( T ) void ?|?( istype &, T )
#define ISTYPE_VOID_IMPL( T ) \
	void ?|?( istype & is, T t ) { \
		(istype &)(is | t); ends( is ); \
	} // ?|?

forall( istype & )
trait basic_istream {
	// private
	bool getANL$( istype & );							// get scan newline (on/off)
	// public
	void nlOn( istype & );								// read newline
	void nlOff( istype & );								// scan newline
	void ends( istype & os );							// end of output statement
	int fmt( istype &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) ));
	istype & ungetc( istype &, char );
	bool eof( istype & );
}; // basic_istream

forall( istype & | basic_istream( istype ) )
trait istream {
	bool fail( istype & );
	void clear( istype & );
	void open( istype & is, const char name[] );
	void close( istype & is );
	istype & read( istype &, char [], size_t );
}; // istream

forall( T )
trait readable {
	forall( istype & | istream( istype ) ) istype & ?|?( istype &, T );
}; // readable

forall( istype & | basic_istream( istype ) ) {
	istype & ?|?( istype &, bool & );
	ISTYPE_VOID( bool & );

	istype & ?|?( istype &, char & );
	ISTYPE_VOID( char & );
	istype & ?|?( istype &, signed char & );
	ISTYPE_VOID( signed char & );
	istype & ?|?( istype &, unsigned char & );
	ISTYPE_VOID( unsigned char & );

	istype & ?|?( istype &, short int & );
	ISTYPE_VOID( short int & );
	istype & ?|?( istype &, unsigned short int & );
	ISTYPE_VOID( unsigned short int & );
	istype & ?|?( istype &, int & );
	ISTYPE_VOID( int & );
	istype & ?|?( istype &, unsigned int & );
	ISTYPE_VOID( unsigned int & );
	istype & ?|?( istype &, long int & );
	ISTYPE_VOID( long int & );
	istype & ?|?( istype &, unsigned long int & );
	ISTYPE_VOID( unsigned long int & );
	istype & ?|?( istype &, long long int & );
	ISTYPE_VOID( long long int & );
	istype & ?|?( istype &, unsigned long long int & );
	ISTYPE_VOID( unsigned long long int & );
	#if defined( __SIZEOF_INT128__ )
	istype & ?|?( istype &, int128 & );
	ISTYPE_VOID( int128 & );
	istype & ?|?( istype &, unsigned int128 & );
	ISTYPE_VOID( unsigned int128 & );
	#endif // __SIZEOF_INT128__

	istype & ?|?( istype &, float & );
	ISTYPE_VOID( float & );
	istype & ?|?( istype &, double & );
	ISTYPE_VOID( double & );
	istype & ?|?( istype &, long double & );
	ISTYPE_VOID( long double & );

	istype & ?|?( istype &, float _Complex & );
	ISTYPE_VOID( float _Complex & );
	istype & ?|?( istype &, double _Complex & );
	ISTYPE_VOID( double _Complex & );
	istype & ?|?( istype &, long double _Complex & );
	ISTYPE_VOID( long double _Complex & );

//	istype & ?|?( istype &, const char [] );
//	istype & ?|?( istype &, char [] );
//	ISTYPE_VOID( char [] );

	// manipulators
	istype & ?|?( istype &, istype & (*)( istype & ) );
	ISTYPE_VOID( istype & (*)( istype & ) );
	istype & nl( istype & is );
	istype & nlOn( istype & );
	istype & nlOff( istype & );
} // distribution

// *********************************** manipulators ***********************************

struct _Istream_Cstr {
	char * s;
	union {
		const char * scanset;
		char delimit;
	};
	int wd;												// width
	union {
		unsigned char all;
		struct {
			unsigned char ignore:1;						// do not change input argument
			unsigned char inex:1;						// include/exclude characters in scanset
			unsigned char delimit:1;					// delimit character
		} flags;
	};
}; // _Istream_Cstr

static inline {
	_Istream_Cstr skip( const char scanset[] ) { return (_Istream_Cstr){ 0p, {scanset}, -1, {.all : 0} }; }
	_Istream_Cstr skip( unsigned int wd ) { return (_Istream_Cstr){ 0p, {0p}, wd, {.all : 0} }; }
	_Istream_Cstr & getline( _Istream_Cstr & fmt ) { fmt.delimit = '\n'; fmt.flags.delimit = true; return fmt; }
	_Istream_Cstr & getline( const char delimit, _Istream_Cstr & fmt ) { fmt.delimit = delimit; fmt.flags.delimit = true; return fmt; }
//	_Istream_Cstr incl( const char scanset[], char s[] ) { return (_Istream_Cstr){ s, {scanset}, -1, { .flags.inex : false } }; }
//	_Istream_Cstr incl( const char scanset[], unsigned int wd, char s[] ) { return (_Istream_Cstr){ s, {scanset}, wd, {.flags.inex : false} }; }
	_Istream_Cstr & incl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = false; return fmt; }
//	_Istream_Cstr excl( const char scanset[], char s[] ) { return (_Istream_Cstr){ s, {scanset}, -1, { .flags.inex : true } }; }
//	_Istream_Cstr excl( const char scanset[], unsigned int wd, char s[] ) { return (_Istream_Cstr){ s, {scanset}, wd, {.flags.inex : true} }; }
	_Istream_Cstr & excl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = true; return fmt; }
	_Istream_Cstr ignore( char s[] ) { return (_Istream_Cstr)@{ s, {0p}, -1, {.flags.ignore : true} }; }
	_Istream_Cstr & ignore( _Istream_Cstr & fmt ) { fmt.flags.ignore = true; return fmt; }
	_Istream_Cstr wdi( unsigned int wd, char s[] ) { return (_Istream_Cstr)@{ s, {0p}, wd, {.all : 0} }; }
//	_Istream_Cstr & wdi( unsigned int wd, _Istream_Cstr & fmt ) { fmt.wd = wd; return fmt; }
} // distribution
forall( istype & | basic_istream( istype ) ) {
	istype & ?|?( istype & is, _Istream_Cstr f );
	ISTYPE_VOID( _Istream_Cstr );
}

struct _Istream_Char {
	bool ignore;										// do not change input argument
}; // _Istream_Char

static inline {
	_Istream_Char ignore( const char ) { return (_Istream_Char)@{ true }; }
	_Istream_Char & ignore( _Istream_Char & fmt ) { fmt.ignore = true; return fmt; }
} // distribution
forall( istype & | basic_istream( istype ) ) {
	istype & ?|?( istype & is, _Istream_Char f );
	ISTYPE_VOID( _Istream_Char );
}

forall( T & | sized( T ) )
struct _Istream_Manip {
	T & val;											// polymorphic base-type
	int wd;												// width
	bool ignore;										// do not change input argument
}; // _Istream_Manip

#define INPUT_FMT_DECL( T ) \
static inline { \
	_Istream_Manip(T) ignore( const T & val ) { return (_Istream_Manip(T))@{ (T &)val, -1, true }; } \
	_Istream_Manip(T) & ignore( _Istream_Manip(T) & fmt ) { fmt.ignore = true; return fmt; } \
	_Istream_Manip(T) wdi( unsigned int wd, T & val ) { return (_Istream_Manip(T))@{ val, wd, false }; } \
	_Istream_Manip(T) & wdi( unsigned int wd, _Istream_Manip(T) & fmt ) { fmt.wd = wd; return fmt; } \
} /* distribution */ \
forall( istype & | basic_istream( istype ) ) { \
	istype & ?|?( istype & is, _Istream_Manip(T) f ); \
	ISTYPE_VOID( _Istream_Manip(T) ); \
} // ?|?

INPUT_FMT_DECL( signed char )
INPUT_FMT_DECL( unsigned char )
INPUT_FMT_DECL( signed short int )
INPUT_FMT_DECL( unsigned short int )
INPUT_FMT_DECL( signed int )
INPUT_FMT_DECL( unsigned int )
INPUT_FMT_DECL( signed long int )
INPUT_FMT_DECL( unsigned long int )
INPUT_FMT_DECL( signed long long int )
INPUT_FMT_DECL( unsigned long long int )

INPUT_FMT_DECL( float )
INPUT_FMT_DECL( double )
INPUT_FMT_DECL( long double )

INPUT_FMT_DECL( float _Complex )
INPUT_FMT_DECL( double _Complex )
INPUT_FMT_DECL( long double _Complex )


// *********************************** time ***********************************


#include <time_t.hfa>									// Duration (constructors) / Time (constructors)

forall( ostype & | ostream( ostype ) ) {
	ostype & ?|?( ostype & os, Duration dur );
	OSTYPE_VOID( Duration );
	ostype & ?|?( ostype & os, Time time );
	OSTYPE_VOID( Time );
} // distribution

// Local Variables: //
// tab-width: 4 //
// End: //