Enum cosmic::iced_widget::renderer::fallback::Renderer

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pub enum Renderer<A, B> {
    Primary(A),
    Secondary(B),
}
Expand description

A renderer A with a fallback strategy B.

This type can be used to easily compose existing renderers and create custom, type-safe fallback strategies.

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Primary(A)

The primary rendering option.

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Secondary(B)

The secondary (or fallback) rendering option.

Trait Implementations§

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impl<A, B> Debug for Renderer<A, B>
where A: Debug, B: Debug,

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

Formats the value using the given formatter. Read more
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impl<A, B> Default for Renderer<A, B>
where A: Default, B: Default,

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type Compositor = Compositor<<A as Default>::Compositor, <B as Default>::Compositor>

The compositor of the renderer.
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impl<A, B> Renderer for Renderer<A, B>
where A: Renderer, B: Renderer,

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fn fill_quad(&mut self, quad: Quad, background: impl Into<Background>)

Fills a Quad with the provided Background.
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fn clear(&mut self)

Clears all of the recorded primitives in the Renderer.
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fn start_layer(&mut self, bounds: Rectangle)

Starts recording a new layer.
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fn end_layer(&mut self)

Ends recording a new layer. Read more
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fn start_transformation(&mut self, transformation: Transformation)

Starts recording with a new Transformation.
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fn end_transformation(&mut self)

Ends recording a new layer. Read more
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fn with_layer(&mut self, bounds: Rectangle, f: impl FnOnce(&mut Self))

Draws the primitives recorded in the given closure in a new layer. Read more
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fn with_transformation( &mut self, transformation: Transformation, f: impl FnOnce(&mut Self), )

Applies a Transformation to the primitives recorded in the given closure.
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fn with_translation(&mut self, translation: Vector, f: impl FnOnce(&mut Self))

Applies a translation to the primitives recorded in the given closure.
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impl<A, B> Renderer for Renderer<A, B>
where A: Renderer, B: Renderer<Font = <A as Renderer>::Font, Paragraph = <A as Renderer>::Paragraph, Editor = <A as Renderer>::Editor, Raw = <A as Renderer>::Raw>,

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type Font = <A as Renderer>::Font

The font type used.
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type Paragraph = <A as Renderer>::Paragraph

The Paragraph of this Renderer.
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type Editor = <A as Renderer>::Editor

The Editor of this Renderer.
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type Raw = <A as Renderer>::Raw

The Raw of this Renderer.
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const ICON_FONT: <Renderer<A, B> as Renderer>::Font = A::ICON_FONT

The icon font of the backend.
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const CHECKMARK_ICON: char = A::CHECKMARK_ICON

The char representing a ✔ icon in the ICON_FONT.
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const ARROW_DOWN_ICON: char = A::ARROW_DOWN_ICON

The char representing a ▼ icon in the built-in ICON_FONT.
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fn default_font(&self) -> <Renderer<A, B> as Renderer>::Font

Returns the default Self::Font.
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fn default_size(&self) -> Pixels

Returns the default size of Text.
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fn fill_paragraph( &mut self, text: &<Renderer<A, B> as Renderer>::Paragraph, position: Point, color: Color, clip_bounds: Rectangle, )

Draws the given Paragraph at the given position and with the given Color.
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fn fill_editor( &mut self, editor: &<Renderer<A, B> as Renderer>::Editor, position: Point, color: Color, clip_bounds: Rectangle, )

Draws the given Editor at the given position and with the given Color.
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fn fill_raw(&mut self, raw: <Renderer<A, B> as Renderer>::Raw)

Draws the given Raw
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fn fill_text( &mut self, text: Text<String, <Renderer<A, B> as Renderer>::Font>, position: Point, color: Color, clip_bounds: Rectangle, )

Draws the given Text at the given position and with the given Color.
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impl<A, B> Renderer for Renderer<A, B>
where A: Renderer, B: Renderer<Handle = <A as Renderer>::Handle>,

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type Handle = <A as Renderer>::Handle

The image Handle to be displayed. Iced exposes its own default implementation of a Handle
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fn measure_image( &self, handle: &<Renderer<A, B> as Renderer>::Handle, ) -> Size<u32>

Returns the dimensions of an image for the given Handle.
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fn draw_image( &mut self, handle: <Renderer<A, B> as Renderer>::Handle, filter_method: FilterMethod, bounds: Rectangle, rotation: Radians, opacity: f32, border_radius: [f32; 4], )

Draws an image with the given Handle and inside the provided bounds.
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impl<A, B> Renderer for Renderer<A, B>
where A: Renderer, B: Renderer,

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fn measure_svg(&self, handle: &Handle) -> Size<u32>

Returns the default dimensions of an SVG for the given Handle.
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fn draw_svg(&mut self, svg: Svg, bounds: Rectangle)

Draws an SVG with the given Handle, an optional Color filter, and inside the provided bounds.
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impl<A, B> Renderer for Renderer<A, B>
where A: Renderer, B: Renderer,

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fn draw_mesh(&mut self, mesh: Mesh)

Draws the given Mesh.
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impl<A, B> Renderer for Renderer<A, B>
where A: Renderer, B: Renderer,

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type Geometry = Geometry<<A as Renderer>::Geometry, <B as Renderer>::Geometry>

The kind of geometry this renderer can draw.
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type Frame = Frame<<A as Renderer>::Frame, <B as Renderer>::Frame>

The kind of Frame this renderer supports.
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fn new_frame(&self, size: Size) -> <Renderer<A, B> as Renderer>::Frame

Creates a new Self::Frame.
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fn draw_geometry(&mut self, geometry: <Renderer<A, B> as Renderer>::Geometry)

Draws the given Self::Geometry.

Auto Trait Implementations§

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impl<A, B> Freeze for Renderer<A, B>
where A: Freeze, B: Freeze,

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impl<A, B> RefUnwindSafe for Renderer<A, B>

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impl<A, B> Send for Renderer<A, B>
where A: Send, B: Send,

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impl<A, B> Sync for Renderer<A, B>
where A: Sync, B: Sync,

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impl<A, B> Unpin for Renderer<A, B>
where A: Unpin, B: Unpin,

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impl<A, B> UnwindSafe for Renderer<A, B>
where A: UnwindSafe, B: UnwindSafe,

Blanket Implementations§

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impl<S, D, Swp, Dwp, T> AdaptInto<D, Swp, Dwp, T> for S
where T: Real + Zero + Arithmetics + Clone, Swp: WhitePoint<T>, Dwp: WhitePoint<T>, D: AdaptFrom<S, Swp, Dwp, T>,

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fn adapt_into_using<M>(self, method: M) -> D
where M: TransformMatrix<T>,

Convert the source color to the destination color using the specified method.
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fn adapt_into(self) -> D

Convert the source color to the destination color using the bradford method by default.
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impl<T> Also for T

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fn also<F>(self, block: F) -> Self
where F: FnOnce(&mut Self),

Apply a function to this value and return the (possibly) modified value.
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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, Res> Apply<Res> for T
where T: ?Sized,

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fn apply<F>(self, f: F) -> Res
where F: FnOnce(Self) -> Res, Self: Sized,

Apply a function which takes the parameter by value.
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fn apply_ref<F>(&self, f: F) -> Res
where F: FnOnce(&Self) -> Res,

Apply a function which takes the parameter by reference.
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fn apply_mut<F>(&mut self, f: F) -> Res
where F: FnOnce(&mut Self) -> Res,

Apply a function which takes the parameter by mutable reference.
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impl<T, C> ArraysFrom<C> for T
where C: IntoArrays<T>,

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fn arrays_from(colors: C) -> T

Cast a collection of colors into a collection of arrays.
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impl<T, C> ArraysInto<C> for T
where C: FromArrays<T>,

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fn arrays_into(self) -> C

Cast this collection of arrays into a collection of colors.
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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<WpParam, T, U> Cam16IntoUnclamped<WpParam, T> for U
where T: FromCam16Unclamped<WpParam, U>,

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type Scalar = <T as FromCam16Unclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.
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fn cam16_into_unclamped( self, parameters: BakedParameters<WpParam, <U as Cam16IntoUnclamped<WpParam, T>>::Scalar>, ) -> T

Converts self into C, using the provided parameters.
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impl<T, C> ComponentsFrom<C> for T
where C: IntoComponents<T>,

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fn components_from(colors: C) -> T

Cast a collection of colors into a collection of color components.
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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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> FromAngle<T> for T

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fn from_angle(angle: T) -> T

Performs a conversion from angle.
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impl<T, U> FromStimulus<U> for T
where U: IntoStimulus<T>,

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fn from_stimulus(other: U) -> T

Converts other into Self, while performing the appropriate scaling, rounding and clamping.
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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, U> IntoAngle<U> for T
where U: FromAngle<T>,

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fn into_angle(self) -> U

Performs a conversion into T.
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impl<WpParam, T, U> IntoCam16Unclamped<WpParam, T> for U
where T: Cam16FromUnclamped<WpParam, U>,

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type Scalar = <T as Cam16FromUnclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.
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fn into_cam16_unclamped( self, parameters: BakedParameters<WpParam, <U as IntoCam16Unclamped<WpParam, T>>::Scalar>, ) -> T

Converts self into C, using the provided parameters.
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impl<T, U> IntoColor<U> for T
where U: FromColor<T>,

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fn into_color(self) -> U

Convert into T with values clamped to the color defined bounds Read more
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impl<T, U> IntoColorUnclamped<U> for T
where U: FromColorUnclamped<T>,

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fn into_color_unclamped(self) -> U

Convert into T. The resulting color might be invalid in its color space Read more
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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> IntoStimulus<T> for T

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fn into_stimulus(self) -> T

Converts self into T, while performing the appropriate scaling, rounding and clamping.
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, C> TryComponentsInto<C> for T
where C: TryFromComponents<T>,

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type Error = <C as TryFromComponents<T>>::Error

The error for when try_into_colors fails to cast.
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fn try_components_into(self) -> Result<C, <T as TryComponentsInto<C>>::Error>

Try to cast this collection of color components into a collection of colors. 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<T, U> TryIntoColor<U> for T
where U: TryFromColor<T>,

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fn try_into_color(self) -> Result<U, OutOfBounds<U>>

Convert into T, returning ok if the color is inside of its defined range, otherwise an OutOfBounds error is returned which contains the unclamped color. Read more
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impl<C, U> UintsFrom<C> for U
where C: IntoUints<U>,

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fn uints_from(colors: C) -> U

Cast a collection of colors into a collection of unsigned integers.
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impl<C, U> UintsInto<C> for U
where C: FromUints<U>,

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fn uints_into(self) -> C

Cast this collection of unsigned integers into a collection of colors.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSend for T
where T: Send,

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impl<T> MaybeSendSync for T

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impl<T> MaybeSync for T
where T: Sync,

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impl<T> Renderer for T
where T: Renderer + Default,