Struct glib::value::BoxedValue[−][src]

pub struct BoxedValue(pub Value);

Expand description

A Value containing another 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 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 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

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<Self>

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

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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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,

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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,

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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

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pub fn from(t: T) -> T

Performs the conversion.

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

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pub fn into(self) -> U

Performs the conversion.

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impl<T> ToSendValue for T where
    T: Send + ToValue + ?Sized,

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pub fn to_send_value(&Self) -> SendValue

Returns a SendValue clone of self.

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

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