Struct Lens 

pub struct Lens {
    pub meta: LensMeta,
    pub view: Option<Arc<dyn View>>,
    pub editor: Option<Arc<dyn Editor>>,
}

A registered lens: its metadata plus optional view and editor objects.

Fields

meta: LensMeta

The lens metadata the dispatcher reads.

view: Option<Arc<dyn View>>

The view encoder, if this lens renders.

editor: Option<Arc<dyn Editor>>

The editor decoder, if this lens edits.

Implementations

impl Lens

pub fn metadata_only(meta: LensMeta) -> Self

A metadata-only lens (no view or editor object yet).

pub fn view(meta: LensMeta, view: Arc<dyn View>) -> Self

A view lens backed by view.

pub fn editor(meta: LensMeta, editor: Arc<dyn Editor>) -> Self

An editor lens backed by editor.

Trait Implementations

impl Clone for Lens

fn clone(&self) -> Lens

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.