QVariant::Private Struct Reference

#include <qvariant.h>

Collaboration diagram for QVariant::Private:

Public Member Functions
constexpr	Private () noexcept
	Private (const QtPrivate::QMetaTypeInterface *iface) noexcept
template<typename T>
	Private (std::in_place_t, T &&t)
const void *	storage () const
template<typename T>
const T &	get () const
const QtPrivate::QMetaTypeInterface *	typeInterface () const
QMetaType	type () const
template<typename TT>
	Private (std::in_place_t, TT &&t)

Static Public Member Functions
static constexpr bool	canUseInternalSpace (const QtPrivate::QMetaTypeInterface *type)

Public Attributes
union {
uchar   data [MaxInternalSize] = {}
PrivateShared *   shared
double   _forAlignment
}	data
quintptr	is_shared: 1
quintptr	is_null: 1
quintptr	packedType: sizeof(QMetaType) * 8 - 2

Static Public Attributes
static constexpr size_t	MaxInternalSize = 3 * sizeof(void *)
template<size_t S>
static constexpr bool	FitsInInternalSize = S <= MaxInternalSize
template<typename T>
static constexpr bool	CanUseInternalSpace

Detailed Description

Definition at line 100 of file qvariant.h.

Constructor & Destructor Documentation

Private() [1/4]

QVariant::Private::Private ( )

inlineconstexprnoexcept

Definition at line 123 of file qvariant.h.

Private() [2/4]

QVariant::Private::Private ( const QtPrivate::QMetaTypeInterface * iface )

inlineexplicitnoexcept

Definition at line 77 of file qvariant_p.h.

Private() [3/4]

template<typename T>

QVariant::Private::Private ( std::in_place_t , T && t )

explicit

Private() [4/4]

template<typename TT>

QVariant::Private::Private	(	std::in_place_t	,
		TT &&	t )

Definition at line 84 of file qvariant_p.h.

Member Function Documentation

canUseInternalSpace()

constexpr bool QVariant::Private::canUseInternalSpace ( const QtPrivate::QMetaTypeInterface * type )

inlinestaticconstexpr

Definition at line 106 of file qvariant.h.

get()

template<typename T>

const T & QVariant::Private::get ( ) const

inline

Definition at line 137 of file qvariant.h.

storage()

const void * QVariant::Private::storage ( ) const

inline

Definition at line 134 of file qvariant.h.

type()

QMetaType QVariant::Private::type ( ) const

inline

Definition at line 145 of file qvariant.h.

typeInterface()

const QtPrivate::QMetaTypeInterface * QVariant::Private::typeInterface ( ) const

inline

Definition at line 140 of file qvariant.h.

Member Data Documentation

_forAlignment

double QVariant::Private::_forAlignment

Definition at line 117 of file qvariant.h.

CanUseInternalSpace

template<typename T>

bool QVariant::Private::CanUseInternalSpace

staticconstexpr

Initial value:

                                             =
(QTypeInfo<T>::isRelocatable && FitsInInternalSize<sizeof(T)> && alignof(T) <= alignof(double))

Definition at line 104 of file qvariant.h.

[union] [1/2]

union { ... } QVariant::Private::data

data [2/2]

uchar QVariant::Private::data[MaxInternalSize] = {}

Definition at line 115 of file qvariant.h.

FitsInInternalSize

template<size_t S>

bool QVariant::Private::FitsInInternalSize = S <= MaxInternalSize

staticconstexpr

Definition at line 103 of file qvariant.h.

is_null

quintptr QVariant::Private::is_null

Definition at line 120 of file qvariant.h.

is_shared

quintptr QVariant::Private::is_shared

Definition at line 119 of file qvariant.h.

MaxInternalSize

size_t QVariant::Private::MaxInternalSize = 3 * sizeof(void *)

staticconstexpr

Definition at line 102 of file qvariant.h.

packedType

quintptr QVariant::Private::packedType

Definition at line 121 of file qvariant.h.

shared

PrivateShared* QVariant::Private::shared

Definition at line 116 of file qvariant.h.

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The documentation for this struct was generated from the following files:

• qtbase/src/corelib/kernel/qvariant.h (7dbb9982662f4334a45e622283718c4821aa655c)
• qtbase/src/corelib/kernel/qvariant_p.h (e97977de1787ed5a8dffbdf29346800b97fe6240)