Type Alias ZoomCommit 

pub type ZoomCommit = Arc<dyn Fn(usize, usize) + Send + Sync>;

Callback fired when the user commits a drag-to-zoom. Receives the inclusive original-index bounds of the selected range (already composed with any prior internal slice, if the chart is uncontrolled).

When this callback is set, the chart switches to controlled-zoom mode: it does not apply the slice internally. The consumer is expected to react — typically by refetching a narrower window of data and pushing it into the chart’s data signal — and the chart just redraws with whatever shape the consumer hands back.

Aliased Type

pub struct ZoomCommit { /* private fields */ }