Struct glib::value::BoxedValue

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pub struct BoxedValue(pub Value);

Expand description

A Value containing another Value.

Tuple Fields

0: Value

Methods from Deref<Target = Value>

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pub fn get<'a, T>(
&'a self
) -> Result<T, <<T as FromValue<'_>>::Checker as ValueTypeChecker>::Error> where
T: FromValue<'a>,

Tries to get a value of type T.

Returns Ok if the type is correct.

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pub fn get_owned<T>(
&self
) -> Result<T, <<T as FromValue<'_>>::Checker as ValueTypeChecker>::Error> where
T: for<'b> FromValue<'b> + 'static,

Tries to get a value of an owned type T.

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pub fn is<T: StaticType>(&self) -> bool

Returns true if the type of the value corresponds to T or is a sub-type of T.

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pub fn is_type(&self, type_: Type) -> bool

Returns true if the type of the value corresponds to type_ or is a sub-type of type_.

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pub fn type_(&self) -> Type

Returns the type of the value.

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pub fn transform<T: ValueType>(&self) -> Result<Value, BoolError>

Tries to transform the value into a value of the target type

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pub fn transform_with_type(&self, type_: Type) -> Result<Value, BoolError>

Tries to transform the value into a value of the target type

Trait Implementations

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impl Deref for BoxedValue

type Target = Value

The resulting type after dereferencing.

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fn deref(&self) -> &Value

Dereferences the value.

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impl<'a> FromValue<'a> for BoxedValue

type Checker = GenericValueTypeOrNoneChecker<BoxedValue>

Value type checker.

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unsafe fn from_value(value: &'a Value) -> Self

Get the contained value from a Value. Read more

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impl StaticType for BoxedValue

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fn static_type() -> Type

Returns the type identifier of Self.

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impl ToValue for BoxedValue

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fn to_value(&self) -> Value

Convert a value to a Value.

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fn value_type(&self) -> Type

Returns the type identifer of self. Read more

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impl ToValueOptional for BoxedValue

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fn to_value_optional(s: Option<&Self>) -> Value

Convert an Option to a Value.

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impl ValueType for BoxedValue

type Type = BoxedValue

Type to get the Type from. Read more

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impl ValueTypeOptional for BoxedValue

Auto Trait Implementations

impl RefUnwindSafe for BoxedValue

impl !Send for BoxedValue

impl !Sync for BoxedValue

impl Unpin for BoxedValue

impl UnwindSafe for BoxedValue

Blanket Implementations

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

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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

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

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

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

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> StaticTypeExt for T where
T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.

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impl<T> ToClosureReturnValue for T where
T: ToValue,

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fn to_closure_return_value(&self) -> Option<Value>

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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

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

Performs the conversion.

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impl<T> TryFromClosureReturnValue for T where
T: 'static + for<'a> FromValue<'a> + StaticType,

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fn try_from_closure_return_value(v: Option<Value>) -> Result<T, BoolError>

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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

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

Performs the conversion.

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Struct glib::value::BoxedValue

Tuple Fields

Methods from Deref<Target = Value>

pub fn get<'a, T>( &'a self) -> Result<T, <<T as FromValue<'_>>::Checker as ValueTypeChecker>::Error> where T: FromValue<'a>,

pub fn get_owned<T>( &self) -> Result<T, <<T as FromValue<'_>>::Checker as ValueTypeChecker>::Error> where T: for<'b> FromValue<'b> + 'static,

pub fn is<T: StaticType>(&self) -> bool

pub fn is_type(&self, type_: Type) -> bool

pub fn type_(&self) -> Type

pub fn transform<T: ValueType>(&self) -> Result<Value, BoolError>

pub fn transform_with_type(&self, type_: Type) -> Result<Value, BoolError>

Trait Implementations

impl Deref for BoxedValue

type Target = Value

fn deref(&self) -> &Value

impl<'a> FromValue<'a> for BoxedValue

type Checker = GenericValueTypeOrNoneChecker<BoxedValue>

unsafe fn from_value(value: &'a Value) -> Self

impl StaticType for BoxedValue

fn static_type() -> Type

impl ToValue for BoxedValue

fn to_value(&self) -> Value

fn value_type(&self) -> Type

impl ToValueOptional for BoxedValue

fn to_value_optional(s: Option<&Self>) -> Value

impl ValueType for BoxedValue

type Type = BoxedValue

impl ValueTypeOptional for BoxedValue

Auto Trait Implementations

impl RefUnwindSafe for BoxedValue

impl !Send for BoxedValue

impl !Sync for BoxedValue

impl Unpin for BoxedValue

impl UnwindSafe for BoxedValue

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<T> StaticTypeExt for T where T: StaticType,

fn ensure_type()

impl<T> ToClosureReturnValue for T where T: ToValue,

fn to_closure_return_value(&self) -> Option<Value>

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

type Error = Infallible

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

impl<T> TryFromClosureReturnValue for T where T: 'static + for<'a> FromValue<'a> + StaticType,

fn try_from_closure_return_value(v: Option<Value>) -> Result<T, BoolError>

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

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<'a, T, C> FromValueOptional<'a> for T where T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError>,

pub fn get<'a, T>(
&'a self
) -> Result<T, <<T as FromValue<'_>>::Checker as ValueTypeChecker>::Error> where
T: FromValue<'a>,

pub fn get_owned<T>(
&self
) -> Result<T, <<T as FromValue<'_>>::Checker as ValueTypeChecker>::Error> where
T: for<'b> FromValue<'b> + 'static,

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> StaticTypeExt for T where
T: StaticType,

impl<T> ToClosureReturnValue for T where
T: ToValue,

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

impl<T> TryFromClosureReturnValue for T where
T: 'static + for<'a> FromValue<'a> + StaticType,

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

impl<'a, T, C> FromValueOptional<'a> for T where
T: FromValue<'a, Checker = C>,
C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError>,