Struct StyleContext

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pub struct StyleContext(/* private fields */);

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impl StyleContext

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pub fn new() -> StyleContext

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pub fn add_provider_for_screen<P: IsA<StyleProvider>>( screen: &Screen, provider: &P, priority: u32, )

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pub fn remove_provider_for_screen<P: IsA<StyleProvider>>( screen: &Screen, provider: &P, )

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pub fn reset_widgets(screen: &Screen)

Trait Implementations§

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impl Clone for StyleContext

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fn clone(&self) -> StyleContext

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for StyleContext

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

Formats the value using the given formatter. Read more
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impl Default for StyleContext

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fn default() -> Self

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

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

Formats the value using the given formatter. Read more
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impl Hash for StyleContext

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for StyleContext

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fn cmp(&self, other: &StyleContext) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl<T: ObjectType> PartialEq<T> for StyleContext

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T: ObjectType> PartialOrd<T> for StyleContext

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fn partial_cmp(&self, other: &T) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl StaticType for StyleContext

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for StyleContext

Auto Trait Implementations§

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,

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

Mutably borrows from an owned value. Read more
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impl<T> Cast for T
where T: ObjectType,

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fn upcast<T>(self) -> T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a superclass or interface T. Read more
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fn upcast_ref<T>(&self) -> &T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a reference of its superclass or interface T. Read more
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fn downcast<T>(self) -> Result<T, Self>
where T: ObjectType, Self: CanDowncast<T>,

Tries to downcast to a subclass or interface implementor T. Read more
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fn downcast_ref<T>(&self) -> Option<&T>
where T: ObjectType, Self: CanDowncast<T>,

Tries to downcast to a reference of its subclass or interface implementor T. Read more
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fn dynamic_cast<T>(self) -> Result<T, Self>
where T: ObjectType,

Tries to cast to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more
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fn dynamic_cast_ref<T>(&self) -> Option<&T>
where T: ObjectType,

Tries to cast to reference to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more
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unsafe fn unsafe_cast<T>(self) -> T
where T: ObjectType,

Casts to T unconditionally. Read more
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unsafe fn unsafe_cast_ref<T>(&self) -> &T
where T: ObjectType,

Casts to &T unconditionally. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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

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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> ObjectExt for T
where T: ObjectType,

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fn is<U>(&self) -> bool
where U: StaticType,

Returns true if the object is an instance of (can be cast to) T.
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fn get_type(&self) -> Type

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fn get_object_class(&self) -> &ObjectClass

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fn set_property<'a, N>( &self, property_name: N, value: &dyn ToValue, ) -> Result<(), BoolError>
where N: Into<&'a str>,

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fn get_property<'a, N>(&self, property_name: N) -> Result<Value, BoolError>
where N: Into<&'a str>,

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fn block_signal(&self, handler_id: &SignalHandlerId)

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fn unblock_signal(&self, handler_id: &SignalHandlerId)

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fn stop_signal_emission(&self, signal_name: &str)

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fn disconnect(&self, handler_id: SignalHandlerId)

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fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
where F: Fn(&T, &ParamSpec) + Send + Sync + 'static,

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unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F, ) -> SignalHandlerId
where F: Fn(&T, &ParamSpec),

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fn notify<'a, N>(&self, property_name: N)
where N: Into<&'a str>,

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fn notify_by_pspec(&self, pspec: &ParamSpec)

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fn has_property<'a, N>( &self, property_name: N, type_: Option<Type>, ) -> Result<(), BoolError>
where N: Into<&'a str>,

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fn get_property_type<'a, N>(&self, property_name: N) -> Option<Type>
where N: Into<&'a str>,

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fn find_property<'a, N>(&self, property_name: N) -> Option<ParamSpec>
where N: Into<&'a str>,

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fn list_properties(&self) -> Vec<ParamSpec>

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fn connect<'a, N, F>( &self, signal_name: N, after: bool, callback: F, ) -> Result<SignalHandlerId, BoolError>
where N: Into<&'a str>, F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,

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unsafe fn connect_unsafe<'a, N, F>( &self, signal_name: N, after: bool, callback: F, ) -> Result<SignalHandlerId, BoolError>
where N: Into<&'a str>, F: Fn(&[Value]) -> Option<Value>,

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fn emit<'a, N>( &self, signal_name: N, args: &[&dyn ToValue], ) -> Result<Option<Value>, BoolError>
where N: Into<&'a str>,

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fn downgrade(&self) -> WeakRef<T>

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fn bind_property<'a, O, N, M>( &'a self, source_property: N, target: &'a O, target_property: M, ) -> BindingBuilder<'a>
where O: ObjectType, N: Into<&'a str>, M: Into<&'a str>,

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fn ref_count(&self) -> u32

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impl<O> StyleContextExt for O
where O: IsA<StyleContext>,

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fn add_class(&self, class_name: &str)

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fn add_provider<P>(&self, provider: &P, priority: u32)
where P: IsA<StyleProvider>,

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fn get_background_color(&self, state: StateFlags) -> RGBA

👎Deprecated
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fn get_border(&self, state: StateFlags) -> Border

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fn get_border_color(&self, state: StateFlags) -> RGBA

👎Deprecated
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fn get_color(&self, state: StateFlags) -> RGBA

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fn get_frame_clock(&self) -> Option<FrameClock>

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fn get_junction_sides(&self) -> JunctionSides

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fn get_margin(&self, state: StateFlags) -> Border

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fn get_padding(&self, state: StateFlags) -> Border

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fn get_parent(&self) -> Option<StyleContext>

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fn get_path(&self) -> Option<WidgetPath>

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fn get_scale(&self) -> i32

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fn get_screen(&self) -> Option<Screen>

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fn get_section(&self, property: &str) -> Option<CssSection>

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fn get_state(&self) -> StateFlags

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fn has_class(&self, class_name: &str) -> bool

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fn list_classes(&self) -> Vec<GString>

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fn lookup_color(&self, color_name: &str) -> Option<RGBA>

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fn remove_class(&self, class_name: &str)

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fn remove_provider<P>(&self, provider: &P)
where P: IsA<StyleProvider>,

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fn restore(&self)

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fn save(&self)

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fn set_background<P>(&self, window: &P)
where P: IsA<Window>,

👎Deprecated
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fn set_frame_clock(&self, frame_clock: &FrameClock)

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fn set_junction_sides(&self, sides: JunctionSides)

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fn set_parent<P>(&self, parent: Option<&P>)
where P: IsA<StyleContext>,

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fn set_path(&self, path: &WidgetPath)

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fn set_scale(&self, scale: i32)

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fn set_screen(&self, screen: &Screen)

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fn set_state(&self, flags: StateFlags)

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fn to_string(&self, flags: StyleContextPrintFlags) -> GString

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fn get_property_direction(&self) -> TextDirection

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fn set_property_direction(&self, direction: TextDirection)

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fn get_property_paint_clock(&self) -> Option<FrameClock>

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fn set_property_paint_clock(&self, paint_clock: Option<&FrameClock>)

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fn connect_changed<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&O) + 'static,

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fn connect_property_direction_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&O) + 'static,

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fn connect_property_paint_clock_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&O) + 'static,

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fn connect_property_parent_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&O) + 'static,

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fn connect_property_screen_notify<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&O) + 'static,

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T> ToValue for T
where T: SetValue + ?Sized,

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fn to_value(&self) -> Value

Returns a Value clone of self.
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fn to_value_type(&self) -> Type

Returns the type identifer of self. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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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>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<Super, Sub> CanDowncast<Sub> for Super
where Super: IsA<Super>, Sub: IsA<Super>,