Referencia del Archivo src/qt/src/kernel/qvariant.cpp

#include <float.h>
#include "qvariant.h"
#include "qstring.h"
#include "qcstring.h"
#include "qfont.h"
#include "qpixmap.h"
#include "qimage.h"
#include "qbrush.h"
#include "qpoint.h"
#include "qrect.h"
#include "qsize.h"
#include "qcolor.h"
#include "qpalette.h"
#include "qiconset.h"
#include "qdatastream.h"
#include "qregion.h"
#include "qpointarray.h"
#include "qbitmap.h"
#include "qcursor.h"
#include "qdatetime.h"
#include "qsizepolicy.h"
#include "qshared.h"
#include "qbitarray.h"
#include "qkeysequence.h"
#include "qpen.h"

'defines'
#define	DBL_DIG   10
#define	Q_VARIANT_AS(f)
Funciones
QDataStream &	operator>> (QDataStream &s, QVariant &p)
QDataStream &	operator<< (QDataStream &s, const QVariant &p)
QDataStream &	operator>> (QDataStream &s, QVariant::Type &p)
QDataStream &	operator<< (QDataStream &s, const QVariant::Type p)

---

Documentación de los 'defines'

#define DBL_DIG   10

#define Q_VARIANT_AS

(

f

)

Valor:

Q##f& QVariant::as##f() \
{ \
    bool b = isNull(); \
    if ( d->typ != f ) \
        *this = QVariant( to##f() ); \
    else \
        detach(); \
    d->is_null = b; \
    return *((Q##f*)d->value.ptr); \
}

---

Documentación de las funciones

QDataStream& operator<<	(	QDataStream &	s,
		const QVariant::Type	p
	)

Writes a variant type p to the stream s.

QDataStream& operator<<	(	QDataStream &	s,
		const QVariant &	p
	)

Writes a variant p to the stream s.

Ver también:

Format of the QDataStream operators

QDataStream& operator>>	(	QDataStream &	s,
		QVariant::Type &	p
	)

Reads a variant type p in enum representation from the stream s.

QDataStream& operator>>	(	QDataStream &	s,
		QVariant &	p
	)

Reads a variant p from the stream s.

Ver también:

Format of the QDataStream operators