Enum Either 

pub enum Either<L, R> {
    Left(L),
    Right(R),
}

A view that is one of two statically-typed arms. See the module docs.

Variants

Left(L)

The left arm.

Right(R)

The right arm.

Trait Implementations

impl<State: 'static, L: View<State>, R: View<State>> View<State> for Either<L, R>

type Element = EitherWidget<<L as View<State>>::Element, <R as View<State>>::Element>

The retained widget this view produces.

fn build(&self, ctx: &mut BuildCtx<'_>) -> Self::Element

Materialise a fresh widget for this view.

fn rebuild( &self, prev: &Self, element: &mut Self::Element, ctx: &mut BuildCtx<'_>, ) -> ChangeFlags

Reconcile prev (the previous view of the same type) against the live element, mutating it in place and reporting what changed.

fn teardown(&self, element: &mut Self::Element, ctx: &mut BuildCtx<'_>)

Tear down element when this view is being removed.

fn message(&self, element: &mut Self::Element, state: &mut State)

Deliver an event message to this view, mutating application state.