Struct cosmic::iced_widget::scrollable::Scrollable

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pub struct Scrollable<'a, Message, Theme = Theme, Renderer = Renderer>
where Theme: Catalog, Renderer: Renderer,
{ /* private fields */ }
Expand description

A widget that can vertically display an infinite amount of content with a scrollbar.

§Example

use iced::widget::{column, scrollable, vertical_space};

enum Message {
    // ...
}

fn view(state: &State) -> Element<'_, Message> {
    scrollable(column![
        "Scroll me!",
        vertical_space().height(3000),
        "You did it!",
    ]).into()
}

Implementations§

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impl<'a, Message, Theme, Renderer> Scrollable<'a, Message, Theme, Renderer>
where Theme: Catalog, Renderer: Renderer,

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pub fn new( content: impl Into<Element<'a, Message, Theme, Renderer>>, ) -> Scrollable<'a, Message, Theme, Renderer>

Creates a new vertical Scrollable.

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pub fn with_direction( content: impl Into<Element<'a, Message, Theme, Renderer>>, direction: impl Into<Direction>, ) -> Scrollable<'a, Message, Theme, Renderer>

Creates a new vertical Scrollable.

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pub fn direction( self, direction: impl Into<Direction>, ) -> Scrollable<'a, Message, Theme, Renderer>

Creates a new Scrollable with the given Direction.

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pub fn id(self, id: Id) -> Scrollable<'a, Message, Theme, Renderer>

Sets the Id of the Scrollable.

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pub fn width( self, width: impl Into<Length>, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets the width of the Scrollable.

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pub fn height( self, height: impl Into<Length>, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets the height of the Scrollable.

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pub fn on_scroll( self, f: impl Fn(Viewport) -> Message + 'a, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets a function to call when the Scrollable is scrolled.

The function takes the Viewport of the Scrollable

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pub fn anchor_top(self) -> Scrollable<'a, Message, Theme, Renderer>

Anchors the vertical Scrollable direction to the top.

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pub fn anchor_bottom(self) -> Scrollable<'a, Message, Theme, Renderer>

Anchors the vertical Scrollable direction to the bottom.

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pub fn anchor_left(self) -> Scrollable<'a, Message, Theme, Renderer>

Anchors the horizontal Scrollable direction to the left.

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pub fn anchor_right(self) -> Scrollable<'a, Message, Theme, Renderer>

Anchors the horizontal Scrollable direction to the right.

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pub fn anchor_x( self, alignment: Anchor, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets the Anchor of the horizontal direction of the Scrollable, if applicable.

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pub fn anchor_y( self, alignment: Anchor, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets the Anchor of the vertical direction of the Scrollable, if applicable.

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pub fn spacing( self, new_spacing: impl Into<Pixels>, ) -> Scrollable<'a, Message, Theme, Renderer>

Embeds the Scrollbar into the Scrollable, instead of floating on top of the content.

The spacing provided will be used as space between the Scrollbar and the contents of the Scrollable.

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pub fn style( self, style: impl Fn(&Theme, Status) -> Style + 'a, ) -> Scrollable<'a, Message, Theme, Renderer>
where <Theme as Catalog>::Class<'a>: From<Box<dyn Fn(&Theme, Status) -> Style + 'a>>,

Sets the style of this Scrollable.

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pub fn class( self, class: impl Into<<Theme as Catalog>::Class<'a>>, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets the style class of the Scrollable.

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pub fn name( self, name: impl Into<Cow<'a, str>>, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets the name of the Scrollable.

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pub fn description_widget( self, description: &impl Describes, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets the description of the Scrollable.

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pub fn description( self, description: impl Into<Cow<'a, str>>, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets the description of the Scrollable.

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pub fn label( self, label: &dyn Labels, ) -> Scrollable<'a, Message, Theme, Renderer>

Sets the label of the Scrollable.

Trait Implementations§

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impl<'a, Message, Theme, Renderer> From<Scrollable<'a, Message, Theme, Renderer>> for Element<'a, Message, Theme, Renderer>
where Message: 'a, Theme: 'a + Catalog, Renderer: 'a + Renderer,

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fn from( text_input: Scrollable<'a, Message, Theme, Renderer>, ) -> Element<'a, Message, Theme, Renderer>

Converts to this type from the input type.
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impl<'a, Message, Theme, Renderer> Widget<Message, Theme, Renderer> for Scrollable<'a, Message, Theme, Renderer>
where Theme: Catalog, Renderer: Renderer,

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fn tag(&self) -> Tag

Returns the Tag of the Widget.
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fn state(&self) -> State

Returns the State of the Widget.
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fn children(&self) -> Vec<Tree>

Returns the state Tree of the children of the Widget.
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fn diff(&mut self, tree: &mut Tree)

Reconciliates the Widget with the provided Tree.
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fn size(&self) -> Size<Length>

Returns the Size of the Widget in lengths.
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fn layout(&self, tree: &mut Tree, renderer: &Renderer, limits: &Limits) -> Node

Returns the layout::Node of the Widget. Read more
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fn operate( &self, tree: &mut Tree, layout: Layout<'_>, renderer: &Renderer, operation: &mut dyn Operation, )

Applies an Operation to the Widget.
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fn on_event( &mut self, tree: &mut Tree, event: Event, layout: Layout<'_>, cursor: Cursor, renderer: &Renderer, clipboard: &mut dyn Clipboard, shell: &mut Shell<'_, Message>, _viewport: &Rectangle, ) -> Status

Processes a runtime Event. Read more
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fn draw( &self, tree: &Tree, renderer: &mut Renderer, theme: &Theme, defaults: &Style, layout: Layout<'_>, cursor: Cursor, viewport: &Rectangle, )

Draws the Widget using the associated Renderer.
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fn mouse_interaction( &self, tree: &Tree, layout: Layout<'_>, cursor: Cursor, _viewport: &Rectangle, renderer: &Renderer, ) -> Interaction

Returns the current mouse::Interaction of the Widget. Read more
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fn overlay<'b>( &'b mut self, tree: &'b mut Tree, layout: Layout<'_>, renderer: &Renderer, translation: Vector, ) -> Option<Element<'b, Message, Theme, Renderer>>

Returns the overlay of the Widget, if there is any.
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fn a11y_nodes( &self, layout: Layout<'_>, state: &Tree, cursor: Cursor, ) -> A11yTree

get the a11y nodes for the widget and its children
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fn id(&self) -> Option<Id>

Returns the id of the widget
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fn set_id(&mut self, id: Id)

Sets the id of the widget This may be called while diffing the widget tree
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fn drag_destinations( &self, tree: &Tree, layout: Layout<'_>, renderer: &Renderer, dnd_rectangles: &mut DndDestinationRectangles, )

Adds the drag destination rectangles of the widget. Runs after the layout phase for each widget in the tree.
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fn size_hint(&self) -> Size<Length>

Returns a Size hint for laying out the Widget. Read more

Auto Trait Implementations§

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impl<'a, Message, Theme, Renderer> Freeze for Scrollable<'a, Message, Theme, Renderer>
where <Theme as Catalog>::Class<'a>: Freeze,

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impl<'a, Message, Theme = Theme, Renderer = Renderer> !RefUnwindSafe for Scrollable<'a, Message, Theme, Renderer>

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impl<'a, Message, Theme = Theme, Renderer = Renderer> !Send for Scrollable<'a, Message, Theme, Renderer>

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impl<'a, Message, Theme = Theme, Renderer = Renderer> !Sync for Scrollable<'a, Message, Theme, Renderer>

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impl<'a, Message, Theme, Renderer> Unpin for Scrollable<'a, Message, Theme, Renderer>
where <Theme as Catalog>::Class<'a>: Unpin,

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impl<'a, Message, Theme = Theme, Renderer = Renderer> !UnwindSafe for Scrollable<'a, Message, Theme, Renderer>

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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where T: Any,

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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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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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Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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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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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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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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where U: From<T>,

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Calls U::from(self).

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

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where U: FromAngle<T>,

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Performs a conversion into T.
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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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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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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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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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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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type Output = T

Should always be Self
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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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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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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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where S: Into<Dispatch>,

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