Struct qmetaobject::QVariant

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

Expand description

Wrapper around QVariant class.

Implementations

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impl QVariant

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pub fn to_qbytearray(&self) -> QByteArray

Wrapper around toByteArray() method.

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pub fn to_bool(&self) -> bool

Wrapper around toBool() method.

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pub fn user_type(&self) -> i32

Wrapper around userType() method.

Trait Implementations

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impl Clone for QVariant

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pub fn clone(&self) -> QVariant

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl Debug for QVariant

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

Formats the value using the given formatter. Read more

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impl Default for QVariant

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pub fn default() -> QVariant

Returns the “default value” for a type. Read more

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impl Drop for QVariant

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pub fn drop(&mut self)

Executes the destructor for this type. Read more

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impl<'a, T> From<&'a T> for QVariant where
T: Into<QVariant> + Clone,

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

Performs the conversion.

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pub fn from(a: QDate) -> QVariant

Wrapper around QVariant(const QDate &) constructor.

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impl From<QDateTime> for QVariant

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pub fn from(a: QDateTime) -> QVariant

Wrapper around QVariant(const QDateTime &) constructor.

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

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

Performs the conversion.

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impl From<QString> for QVariant

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pub fn from(a: QString) -> QVariant

Wrapper around QVariant(const QString &) constructor.

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impl From<QTime> for QVariant

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pub fn from(a: QTime) -> QVariant

Wrapper around QVariant(const QTime &) constructor.

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impl From<QUrl> for QVariant

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pub fn from(a: QUrl) -> QVariant

Wrapper around QVariant(const QUrl &) constructor.

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impl From<QVariant> for QJsonValue

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pub fn from(v: QVariant) -> QJsonValue

Performs the conversion.

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impl From<QVariantList> for QVariant

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pub fn from(a: QVariantList) -> QVariant

Wrapper around QVariant(const QVariantList &) constructor.

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impl From<bool> for QVariant

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pub fn from(a: bool) -> QVariant

Wrapper around QVariant(bool) constructor.

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impl From<f32> for QVariant

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pub fn from(a: f32) -> QVariant

Wrapper around QVariant(float) constructor.

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impl From<f64> for QVariant

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pub fn from(a: f64) -> QVariant

Wrapper around QVariant(double) constructor.

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impl From<i32> for QVariant

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pub fn from(a: i32) -> QVariant

Wrapper around QVariant(int) constructor.

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impl From<i64> for QVariant

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pub fn from(a: i64) -> QVariant

Wrapper around QVariant(int) constructor.

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impl From<u32> for QVariant

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pub fn from(a: u32) -> QVariant

Wrapper around QVariant(uint) constructor.

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impl From<u64> for QVariant

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pub fn from(a: u64) -> QVariant

Wrapper around QVariant(uint) constructor.

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impl Into<QVariant> for QJsonValue

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pub fn into(self) -> QVariant

Performs the conversion.

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impl PartialEq<QVariant> for QVariant

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

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

1.0.0 · source

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

This method tests for !=.

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impl QMetaType for QVariant

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

Registers the type. Read more

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fn to_qvariant(&self) -> QVariant

Returns a QVariant containing a copy of this object

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

Attempt to convert from a QVariant to this type.

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fn id() -> i32

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const CONVERSION_TO_STRING: Option<fn(_: &Self) -> QString>

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

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const CONVERSION_FROM_STRING: Option<fn(_: &QString) -> Self>

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impl Eq for QVariant

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impl StructuralEq for QVariant

Auto Trait Implementations

impl RefUnwindSafe for QVariant

impl Send for QVariant

impl Sync for QVariant

impl Unpin for QVariant

impl UnwindSafe for QVariant

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> PropertyType for T where
T: QMetaType,

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fn register_type(name: &CStr) -> i32

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unsafe fn pass_to_qt(&mut self, a: *mut c_void)

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unsafe fn read_from_qt(a: *const c_void) -> Self

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct qmetaobject::QVariant

Implementations

impl QVariant

pub fn to_qbytearray(&self) -> QByteArray

pub fn to_bool(&self) -> bool

pub fn user_type(&self) -> i32

Trait Implementations

impl Clone for QVariant

pub fn clone(&self) -> QVariant

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

impl Debug for QVariant

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

impl Default for QVariant

pub fn default() -> QVariant

impl Drop for QVariant

pub fn drop(&mut self)

impl<'a, T> From<&'a T> for QVariant where T: Into<QVariant> + Clone,

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

impl From<QByteArray> for QVariant

pub fn from(a: QByteArray) -> QVariant

impl From<QDate> for QVariant

pub fn from(a: QDate) -> QVariant

impl From<QDateTime> for QVariant

pub fn from(a: QDateTime) -> QVariant

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

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

impl From<QString> for QVariant

pub fn from(a: QString) -> QVariant

impl From<QTime> for QVariant

pub fn from(a: QTime) -> QVariant

impl From<QUrl> for QVariant

pub fn from(a: QUrl) -> QVariant

impl From<QVariant> for QJsonValue

pub fn from(v: QVariant) -> QJsonValue

impl From<QVariantList> for QVariant

pub fn from(a: QVariantList) -> QVariant

impl From<bool> for QVariant

pub fn from(a: bool) -> QVariant

impl From<f32> for QVariant

pub fn from(a: f32) -> QVariant

impl From<f64> for QVariant

pub fn from(a: f64) -> QVariant

impl From<i32> for QVariant

pub fn from(a: i32) -> QVariant

impl From<i64> for QVariant

pub fn from(a: i64) -> QVariant

impl From<u32> for QVariant

pub fn from(a: u32) -> QVariant

impl From<u64> for QVariant

pub fn from(a: u64) -> QVariant

impl Into<QVariant> for QJsonValue

pub fn into(self) -> QVariant

impl PartialEq<QVariant> for QVariant

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

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

impl QMetaType for QVariant

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

fn to_qvariant(&self) -> QVariant

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

fn id() -> i32

const CONVERSION_TO_STRING: Option<fn(_: &Self) -> QString>

const CONVERSION_FROM_STRING: Option<fn(_: &QString) -> Self>

impl Eq for QVariant

impl StructuralEq for QVariant

Auto Trait Implementations

impl RefUnwindSafe for QVariant

impl Send for QVariant

impl Sync for QVariant

impl Unpin for QVariant

impl UnwindSafe for QVariant

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

impl<'a, T> From<&'a T> for QVariant where
T: Into<QVariant> + Clone,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> PropertyType for T where
T: QMetaType,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,