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iostream.hfa @ 8ee163e2

ADTast-experimentalenumpthread-emulationqualifiedEnum

Last change on this file since 8ee163e2 was c8371b5, checked in by Peter A. Buhr <pabuhr@…>, 3 years ago
change getANL to getANL$ (private)
Property mode set to `100644`
File size: 20.8 KB

Line
1	//
2	// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3	//
4	// The contents of this file are covered under the licence agreement in the
5	// file "LICENCE" distributed with Cforall.
6	//
7	// iostream.hfa --
8	//
9	// Author : Peter A. Buhr
10	// Created On : Wed May 27 17:56:53 2015
11	// Last Modified By : Peter A. Buhr
12	// Last Modified On : Sun Oct 10 10:02:07 2021
13	// Update Count : 407
14	//
15
16	#pragma once
17
18	#include "iterator.hfa"
19
20
21	// ********************************* ostream *********************************
22
23
24	trait basic_ostream( ostype & ) {
25	// private
26	bool sepPrt$( ostype & ); // get separator state (on/off)
27	void sepReset$( ostype & ); // set separator state to default state
28	void sepReset$( ostype &, bool ); // set separator and default state
29	const char * sepGetCur$( ostype & ); // get current separator string
30	void sepSetCur$( ostype &, const char [] ); // set current separator string
31	bool getNL$( ostype & ); // check newline
32	void setNL$( ostype &, bool ); // saw newline
33	bool getANL$( ostype & ); // get auto newline (on/off)
34	bool getPrt$( ostype & ); // get fmt called in output cascade
35	void setPrt$( ostype &, bool ); // set fmt called in output cascade
36	// public
37	void sepOn( ostype & ); // turn separator state on
38	void sepOff( ostype & ); // turn separator state off
39	bool sepDisable( ostype & ); // set default state to off, and return previous state
40	bool sepEnable( ostype & ); // set default state to on, and return previous state
41	void nlOn( ostype & ); // turn auto-newline state on
42	void nlOff( ostype & ); // turn auto-newline state off
43
44	const char * sepGet( ostype & ); // get separator string
45	void sepSet( ostype &, const char [] ); // set separator to string (15 character maximum)
46	const char * sepGetTuple( ostype & ); // get tuple separator string
47	void sepSetTuple( ostype &, const char [] ); // set tuple separator to string (15 character maximum)
48
49	void ends( ostype & ); // end of output statement
50	int fmt( ostype &, const char format[], ... ) __attribute__(( format(printf, 2, 3) ));
51	}; // basic_ostream
52
53	trait ostream( ostype & \| basic_ostream( ostype ) ) {
54	bool fail( ostype & ); // operation failed?
55	void clear( ostype & );
56	int flush( ostype & );
57	void open( ostype &, const char name[], const char mode[] );
58	void close( ostype & );
59	ostype & write( ostype &, const char [], size_t );
60	}; // ostream
61
62	// trait writeable( T ) {
63	// forall( ostype & \| ostream( ostype ) ) ostype & ?\|?( ostype &, T );
64	// }; // writeable
65
66	trait writeable( T, ostype & \| ostream( ostype ) ) {
67	ostype & ?\|?( ostype &, T );
68	}; // writeable
69
70	// implement writable for intrinsic types
71
72	forall( ostype & \| basic_ostream( ostype ) ) {
73	ostype & ?\|?( ostype &, bool );
74	void ?\|?( ostype &, bool );
75
76	ostype & ?\|?( ostype &, char );
77	void ?\|?( ostype &, char );
78	ostype & ?\|?( ostype &, signed char );
79	void ?\|?( ostype &, signed char );
80	ostype & ?\|?( ostype &, unsigned char );
81	void ?\|?( ostype &, unsigned char );
82
83	ostype & ?\|?( ostype &, short int );
84	void ?\|?( ostype &, short int );
85	ostype & ?\|?( ostype &, unsigned short int );
86	void ?\|?( ostype &, unsigned short int );
87	ostype & ?\|?( ostype &, int );
88	void ?\|?( ostype &, int );
89	ostype & ?\|?( ostype &, unsigned int );
90	void ?\|?( ostype &, unsigned int );
91	ostype & ?\|?( ostype &, long int );
92	void ?\|?( ostype &, long int );
93	ostype & ?\|?( ostype &, long long int );
94	void ?\|?( ostype &, long long int );
95	ostype & ?\|?( ostype &, unsigned long int );
96	void ?\|?( ostype &, unsigned long int );
97	ostype & ?\|?( ostype &, unsigned long long int );
98	void ?\|?( ostype &, unsigned long long int );
99	#if defined( __SIZEOF_INT128__ )
100	ostype & ?\|?( ostype &, int128 );
101	void ?\|?( ostype &, int128 );
102	ostype & ?\|?( ostype &, unsigned int128 );
103	void ?\|?( ostype &, unsigned int128 );
104	#endif // __SIZEOF_INT128__
105
106	ostype & ?\|?( ostype &, float );
107	void ?\|?( ostype &, float );
108	ostype & ?\|?( ostype &, double );
109	void ?\|?( ostype &, double );
110	ostype & ?\|?( ostype &, long double );
111	void ?\|?( ostype &, long double );
112
113	ostype & ?\|?( ostype &, float _Complex );
114	void ?\|?( ostype &, float _Complex );
115	ostype & ?\|?( ostype &, double _Complex );
116	void ?\|?( ostype &, double _Complex );
117	ostype & ?\|?( ostype &, long double _Complex );
118	void ?\|?( ostype &, long double _Complex );
119
120	ostype & ?\|?( ostype &, const char [] );
121	void ?\|?( ostype &, const char [] );
122	// ostype & ?\|?( ostype &, const char16_t * );
123	#if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
124	// ostype & ?\|?( ostype &, const char32_t * );
125	#endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
126	// ostype & ?\|?( ostype &, const wchar_t * );
127	ostype & ?\|?( ostype &, const void * );
128	void ?\|?( ostype &, const void * );
129
130	// manipulators
131	ostype & ?\|?( ostype &, ostype & (*)( ostype & ) );
132	void ?\|?( ostype &, ostype & (*)( ostype & ) );
133	ostype & nl( ostype & );
134	ostype & nonl( ostype & );
135	ostype & sep( ostype & );
136	ostype & sepTuple( ostype & );
137	ostype & sepOn( ostype & );
138	ostype & sepOff( ostype & );
139	ostype & sepDisable( ostype & );
140	ostype & sepEnable( ostype & );
141	ostype & nlOn( ostype & );
142	ostype & nlOff( ostype & );
143	} // distribution
144
145	// tuples
146	forall( ostype &, T, Params... \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
147	ostype & ?\|?( ostype & os, T arg, Params rest );
148	void ?\|?( ostype & os, T arg, Params rest );
149	} // distribution
150
151	// writes the range [begin, end) to the given stream
152	forall( ostype &, elt_type \| writeable( elt_type, ostype ), iterator_type \| iterator( iterator_type, elt_type ) ) {
153	void write( iterator_type begin, iterator_type end, ostype & os );
154	void write_reverse( iterator_type begin, iterator_type end, ostype & os );
155	} // distribution
156
157	// ********************************* manipulators *********************************
158
159	forall( T )
160	struct _Ostream_Manip {
161	T val; // polymorphic base-type
162	int wd, pc; // width, precision: signed for computations
163	char base; // numeric base / floating-point style
164	union {
165	unsigned char all;
166	struct {
167	unsigned char eng:1; // engineering notation
168	unsigned char neg:1; // val is negative
169	unsigned char pc:1; // precision specified
170	unsigned char left:1; // left justify
171	unsigned char nobsdp:1; // base prefix / decimal point
172	unsigned char sign:1; // plus / minus sign
173	unsigned char pad0:1; // zero pad
174	} flags;
175	};
176	}; // _Ostream_Manip
177
178	// ********************************* integral *********************************
179
180	// See 6.7.9. 19) The initialization shall occur in initializer list order, each initializer provided for a particular
181	// subobject overriding any previously listed initializer for the same subobject; ***all subobjects that are not
182	// initialized explicitly shall be initialized implicitly the same as objects that have static storage duration.***
183
184	#define IntegralFMTDecl( T, CODE ) \
185	static inline { \
186	_Ostream_Manip(T) bin( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'b', { .all : 0 } }; } \
187	_Ostream_Manip(T) oct( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'o', { .all : 0 } }; } \
188	_Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'x', { .all : 0 } }; } \
189	_Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, CODE, { .all : 0 } }; } \
190	_Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, CODE, { .flags.pc : true } }; } \
191	_Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
192	_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; } \
193	_Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
194	_Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { if ( fmt.base == 'x' \|\| fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; } \
195	_Ostream_Manip(T) & nobase( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
196	_Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
197	_Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, CODE, { .flags.sign : true } }; } \
198	_Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
199	} /* distribution */ \
200	forall( ostype & \| basic_ostream( ostype ) ) { \
201	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ); \
202	void ?\|?( ostype & os, _Ostream_Manip(T) f ); \
203	} // ?\|?
204
205	IntegralFMTDecl( signed char, 'd' )
206	IntegralFMTDecl( unsigned char, 'u' )
207	IntegralFMTDecl( signed short int, 'd' )
208	IntegralFMTDecl( unsigned short int, 'u' )
209	IntegralFMTDecl( signed int, 'd' )
210	IntegralFMTDecl( unsigned int, 'u' )
211	IntegralFMTDecl( signed long int, 'd' )
212	IntegralFMTDecl( unsigned long int, 'u' )
213	IntegralFMTDecl( signed long long int, 'd' )
214	IntegralFMTDecl( unsigned long long int, 'u' )
215	#if defined( __SIZEOF_INT128__ )
216	IntegralFMTDecl( int128, 'd' )
217	IntegralFMTDecl( unsigned int128, 'u' )
218	#endif // __SIZEOF_INT128__
219
220	// ********************************* floating point *********************************
221
222	// Default suffix for values with no fraction is "."
223	#define FloatingPointFMTDecl( T ) \
224	static inline { \
225	_Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'a', { .all : 0 } }; } \
226	_Ostream_Manip(T) sci( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'e', { .all : 0 } }; } \
227	_Ostream_Manip(T) eng( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.eng : true } }; } \
228	_Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, 'g', { .all : 0 } }; } \
229	_Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'f', { .flags.pc : true } }; } \
230	_Ostream_Manip(T) ws( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'g', { .flags.pc : true } }; } \
231	_Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; return fmt; } \
232	_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; } \
233	_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; } \
234	_Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
235	_Ostream_Manip(T) upcase( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'G', { .all : 0 } }; } \
236	_Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { fmt.base -= 32; /* upper case */ return fmt; } \
237	_Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
238	_Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.sign : true } }; } \
239	_Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
240	_Ostream_Manip(T) nodp( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
241	_Ostream_Manip(T) & nodp( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
242	_Ostream_Manip(T) unit( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
243	_Ostream_Manip(T) & unit( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
244	} /* distribution */ \
245	forall( ostype & \| basic_ostream( ostype ) ) { \
246	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ); \
247	void ?\|?( ostype & os, _Ostream_Manip(T) f ); \
248	} // ?\|?
249
250	FloatingPointFMTDecl( double )
251	FloatingPointFMTDecl( long double )
252
253	// ********************************* character *********************************
254
255	static inline {
256	_Ostream_Manip(char) bin( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'b', { .all : 0 } }; }
257	_Ostream_Manip(char) oct( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'o', { .all : 0 } }; }
258	_Ostream_Manip(char) hex( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'x', { .all : 0 } }; }
259	_Ostream_Manip(char) wd( unsigned int w, char c ) { return (_Ostream_Manip(char))@{ c, w, 0, 'c', { .all : 0 } }; }
260	_Ostream_Manip(char) & wd( unsigned int w, _Ostream_Manip(char) & fmt ) { fmt.wd = w; return fmt; }
261	_Ostream_Manip(char) & left( _Ostream_Manip(char) & fmt ) { fmt.flags.left = true; return fmt; }
262	_Ostream_Manip(char) & upcase( _Ostream_Manip(char) & fmt ) { if ( fmt.base == 'x' \|\| fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; }
263	_Ostream_Manip(char) & nobase( _Ostream_Manip(char) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
264	} // distribution
265	forall( ostype & \| basic_ostream( ostype ) ) {
266	ostype & ?\|?( ostype & os, _Ostream_Manip(char) f );
267	void ?\|?( ostype & os, _Ostream_Manip(char) f );
268	} // ?\|?
269
270	// ********************************* C string *********************************
271
272	static inline {
273	_Ostream_Manip(const char ) bin( const char s[] ) { return (_Ostream_Manip(const char ))@{ s, 1, 0, 'b', { .all : 0 } }; }
274	_Ostream_Manip(const char ) oct( const char s[] ) { return (_Ostream_Manip(const char ))@{ s, 1, 0, 'o', { .all : 0 } }; }
275	_Ostream_Manip(const char ) hex( const char s[] ) { return (_Ostream_Manip(const char ))@{ s, 1, 0, 'x', { .all : 0 } }; }
276	_Ostream_Manip(const char ) wd( unsigned int w, const char s[] ) { return (_Ostream_Manip(const char ))@{ s, w, 0, 's', { .all : 0 } }; }
277	_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 } }; }
278	_Ostream_Manip(const char ) & wd( unsigned int w, _Ostream_Manip(const char ) & fmt ) { fmt.wd = w; return fmt; }
279	_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; }
280	_Ostream_Manip(const char ) & left( _Ostream_Manip(const char ) & fmt ) { fmt.flags.left = true; return fmt; }
281	_Ostream_Manip(const char ) & nobase( _Ostream_Manip(const char ) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
282	} // distribution
283	forall( ostype & \| basic_ostream( ostype ) ) {
284	ostype & ?\|?( ostype & os, _Ostream_Manip(const char *) f );
285	void ?\|?( ostype & os, _Ostream_Manip(const char *) f );
286	} // ?\|?
287
288
289	// ********************************* istream *********************************
290
291
292	trait basic_istream( istype & ) {
293	// private
294	bool getANL$( istype & ); // get scan newline (on/off)
295	// public
296	void nlOn( istype & ); // read newline
297	void nlOff( istype & ); // scan newline
298	void ends( istype & os ); // end of output statement
299	int fmt( istype &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) ));
300	istype & ungetc( istype &, char );
301	bool eof( istype & );
302	}; // basic_istream
303
304	trait istream( istype & \| basic_istream( istype ) ) {
305	bool fail( istype & );
306	void clear( istype & );
307	void open( istype & is, const char name[] );
308	void close( istype & is );
309	istype & read( istype &, char [], size_t );
310	}; // istream
311
312	trait readable( T ) {
313	forall( istype & \| istream( istype ) ) istype & ?\|?( istype &, T );
314	}; // readable
315
316	forall( istype & \| basic_istream( istype ) ) {
317	istype & ?\|?( istype &, bool & );
318	void ?\|?( istype &, bool & );
319
320	istype & ?\|?( istype &, char & );
321	void ?\|?( istype &, char & );
322	istype & ?\|?( istype &, signed char & );
323	void ?\|?( istype &, signed char & );
324	istype & ?\|?( istype &, unsigned char & );
325	void ?\|?( istype &, unsigned char & );
326
327	istype & ?\|?( istype &, short int & );
328	void ?\|?( istype &, short int & );
329	istype & ?\|?( istype &, unsigned short int & );
330	void ?\|?( istype &, unsigned short int & );
331	istype & ?\|?( istype &, int & );
332	void ?\|?( istype &, int & );
333	istype & ?\|?( istype &, unsigned int & );
334	void ?\|?( istype &, unsigned int & );
335	istype & ?\|?( istype &, long int & );
336	void ?\|?( istype &, long int & );
337	istype & ?\|?( istype &, unsigned long int & );
338	void ?\|?( istype &, unsigned long int & );
339	istype & ?\|?( istype &, long long int & );
340	void ?\|?( istype &, long long int & );
341	istype & ?\|?( istype &, unsigned long long int & );
342	void ?\|?( istype &, unsigned long long int & );
343	#if defined( __SIZEOF_INT128__ )
344	istype & ?\|?( istype &, int128 & );
345	void ?\|?( istype &, int128 & );
346	istype & ?\|?( istype &, unsigned int128 & );
347	void ?\|?( istype &, unsigned int128 & );
348	#endif // __SIZEOF_INT128__
349
350	istype & ?\|?( istype &, float & );
351	void ?\|?( istype &, float & );
352	istype & ?\|?( istype &, double & );
353	void ?\|?( istype &, double & );
354	istype & ?\|?( istype &, long double & );
355	void ?\|?( istype &, long double & );
356
357	istype & ?\|?( istype &, float _Complex & );
358	void ?\|?( istype &, float _Complex & );
359	istype & ?\|?( istype &, double _Complex & );
360	void ?\|?( istype &, double _Complex & );
361	istype & ?\|?( istype &, long double _Complex & );
362	void ?\|?( istype &, long double _Complex & );
363
364	// istype & ?\|?( istype &, const char [] );
365	istype & ?\|?( istype &, char [] );
366	void ?\|?( istype &, char [] );
367
368	// manipulators
369	istype & ?\|?( istype &, istype & (*)( istype & ) );
370	void ?\|?( istype &, istype & (*)( istype & ) );
371	istype & nl( istype & is );
372	istype & nlOn( istype & );
373	istype & nlOff( istype & );
374	} // distribution
375
376	// ********************************* manipulators *********************************
377
378	struct _Istream_Cstr {
379	char * s;
380	const char * scanset;
381	int wd; // width
382	union {
383	unsigned char all;
384	struct {
385	unsigned char ignore:1; // do not change input argument
386	unsigned char inex:1; // include/exclude characters in scanset
387	} flags;
388	};
389	}; // _Istream_Cstr
390
391	static inline {
392	_Istream_Cstr skip( const char scanset[] ) { return (_Istream_Cstr){ 0p, scanset, -1, { .all : 0 } }; }
393	_Istream_Cstr skip( unsigned int n ) { return (_Istream_Cstr){ 0p, 0p, n, { .all : 0 } }; }
394	_Istream_Cstr incl( const char scanset[], char * s ) { return (_Istream_Cstr){ s, scanset, -1, { .flags.inex : false } }; }
395	_Istream_Cstr & incl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = false; return fmt; }
396	_Istream_Cstr excl( const char scanset[], char * s ) { return (_Istream_Cstr){ s, scanset, -1, { .flags.inex : true } }; }
397	_Istream_Cstr & excl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = true; return fmt; }
398	_Istream_Cstr ignore( char s[] ) { return (_Istream_Cstr)@{ s, 0p, -1, { .flags.ignore : true } }; }
399	_Istream_Cstr & ignore( _Istream_Cstr & fmt ) { fmt.flags.ignore = true; return fmt; }
400	_Istream_Cstr wdi( unsigned int w, char s[] ) { return (_Istream_Cstr)@{ s, 0p, w, { .all : 0 } }; }
401	_Istream_Cstr & wdi( unsigned int w, _Istream_Cstr & fmt ) { fmt.wd = w; return fmt; }
402	} // distribution
403	forall( istype & \| basic_istream( istype ) ) {
404	istype & ?\|?( istype & is, _Istream_Cstr f );
405	void ?\|?( istype & is, _Istream_Cstr f );
406	}
407
408	struct _Istream_Char {
409	bool ignore; // do not change input argument
410	}; // _Istream_Char
411
412	static inline {
413	_Istream_Char ignore( const char ) { return (_Istream_Char)@{ true }; }
414	_Istream_Char & ignore( _Istream_Char & fmt ) { fmt.ignore = true; return fmt; }
415	} // distribution
416	forall( istype & \| basic_istream( istype ) ) {
417	istype & ?\|?( istype & is, _Istream_Char f );
418	void ?\|?( istype & is, _Istream_Char f );
419	}
420
421	forall( T & \| sized( T ) )
422	struct _Istream_Manip {
423	T & val; // polymorphic base-type
424	int wd; // width
425	bool ignore; // do not change input argument
426	}; // _Istream_Manip
427
428	#define InputFMTDecl( T ) \
429	static inline { \
430	_Istream_Manip(T) ignore( const T & val ) { return (_Istream_Manip(T))@{ (T &)val, -1, true }; } \
431	_Istream_Manip(T) & ignore( _Istream_Manip(T) & fmt ) { fmt.ignore = true; return fmt; } \
432	_Istream_Manip(T) wdi( unsigned int w, T & val ) { return (_Istream_Manip(T))@{ val, w, false }; } \
433	_Istream_Manip(T) & wdi( unsigned int w, _Istream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
434	} /* distribution */ \
435	forall( istype & \| basic_istream( istype ) ) { \
436	istype & ?\|?( istype & is, _Istream_Manip(T) f ); \
437	void ?\|?( istype & is, _Istream_Manip(T) f ); \
438	} // ?\|?
439
440	InputFMTDecl( signed char )
441	InputFMTDecl( unsigned char )
442	InputFMTDecl( signed short int )
443	InputFMTDecl( unsigned short int )
444	InputFMTDecl( signed int )
445	InputFMTDecl( unsigned int )
446	InputFMTDecl( signed long int )
447	InputFMTDecl( unsigned long int )
448	InputFMTDecl( signed long long int )
449	InputFMTDecl( unsigned long long int )
450
451	InputFMTDecl( float )
452	InputFMTDecl( double )
453	InputFMTDecl( long double )
454
455	InputFMTDecl( float _Complex )
456	InputFMTDecl( double _Complex )
457	InputFMTDecl( long double _Complex )
458
459
460	// ********************************* time *********************************
461
462
463	#include <time_t.hfa> // Duration (constructors) / Time (constructors)
464
465	forall( ostype & \| ostream( ostype ) ) {
466	ostype & ?\|?( ostype & os, Duration dur );
467	void ?\|?( ostype & os, Duration dur );
468	ostype & ?\|?( ostype & os, Time time );
469	void ?\|?( ostype & os, Time time );
470	} // distribution
471
472	// Local Variables: //
473	// tab-width: 4 //
474	// End: //

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