Struct qmetaobject::QVariant

#[repr(C)]
pub struct QVariant { /* private fields */ }

Wrapper around QVariant class.

Implementations

impl QVariant

pub fn to_qbytearray(&self) -> QByteArray

Wrapper around toByteArray() method.

pub fn to_bool(&self) -> bool

Wrapper around toBool() method.

pub fn user_type(&self) -> i32

Wrapper around userType() method.

pub fn is_valid(&self) -> bool

Wrapper around isValid() method.

pub fn is_null(&self) -> bool

Wrapper around isNull() method.

Trait Implementations

impl Clone for QVariant

fn clone(&self) -> QVariant

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for QVariant

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for QVariant

fn default() -> QVariant

Returns the “default value” for a type.

impl Drop for QVariant

fn drop(&mut self)

Executes the destructor for this type.

impl<'a, T> From<&'a T> for QVariant

where T: Into<QVariant> + Clone,

fn from(a: &'a T) -> QVariant

Converts to this type from the input type.

impl From<QByteArray> for QVariant

fn from(a: QByteArray) -> QVariant

Wrapper around QVariant(const QByteArray &) constructor.

impl From<QDate> for QVariant

fn from(a: QDate) -> QVariant

Wrapper around QVariant(const QDate &) constructor.

impl From<QDateTime> for QVariant

fn from(a: QDateTime) -> QVariant

Wrapper around QVariant(const QDateTime &) constructor.

impl<'pin, T: QObject + 'pin> From<QObjectPinned<'pin, T>> for QVariant

fn from(obj: QObjectPinned<'pin, T>) -> Self

Converts to this type from the input type.

impl From<QString> for QVariant

fn from(a: QString) -> QVariant

Wrapper around QVariant(const QString &) constructor.

impl From<QStringList> for QVariant

fn from(a: QStringList) -> QVariant

Wrapper around QVariant(const QStringList &) constructor.

impl From<QTime> for QVariant

fn from(a: QTime) -> QVariant

Wrapper around QVariant(const QTime &) constructor.

impl From<QUrl> for QVariant

fn from(a: QUrl) -> QVariant

Wrapper around QVariant(const QUrl &) constructor.

impl From<QVariant> for QJsonValue

fn from(v: QVariant) -> QJsonValue

Converts to this type from the input type.

impl From<QVariantList> for QVariant

fn from(a: QVariantList) -> QVariant

Wrapper around QVariant(const QVariantList &) constructor.

impl From<bool> for QVariant

fn from(a: bool) -> QVariant

Wrapper around QVariant(bool) constructor.

impl From<f32> for QVariant

fn from(a: f32) -> QVariant

Wrapper around QVariant(float) constructor.

impl From<f64> for QVariant

fn from(a: f64) -> QVariant

Wrapper around QVariant(double) constructor.

impl From<i32> for QVariant

fn from(a: i32) -> QVariant

Wrapper around QVariant(int) constructor.

impl From<i64> for QVariant

fn from(a: i64) -> QVariant

Wrapper around QVariant(int) constructor.

impl From<u32> for QVariant

fn from(a: u32) -> QVariant

Wrapper around QVariant(uint) constructor.

impl From<u64> for QVariant

fn from(a: u64) -> QVariant

Wrapper around QVariant(uint) constructor.

impl Into<QVariant> for QJsonValue

fn into(self) -> QVariant

Converts this type into the (usually inferred) input type.

impl PartialEq for QVariant

fn eq(&self, other: &QVariant) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl QMetaType for QVariant

fn register(_name: Option<&CStr>) -> i32

Registers the type.

fn to_qvariant(&self) -> QVariant

Returns a QVariant containing a copy of this object

fn from_qvariant(variant: QVariant) -> Option<Self>

Attempt to convert from a QVariant to this type.

fn id() -> i32

const CONVERSION_TO_STRING: Option<fn(_: &Self) -> QString> = None

If this is set to a function, it enable the conversion to and from QString

const CONVERSION_FROM_STRING: Option<fn(_: &QString) -> Self> = None

impl Eq for QVariant

impl StructuralEq for QVariant