pub fn item<M, K, I: Into<K>>(key: I, title: impl IntoText<M>) -> NavItem<K>Expand description
A selector item for a data-driven list: item(room.id, room.name).icon(res::images::room)
(docs/navigation.md). Used inside the .items(signal, |t| …) mapper; the page it selects is
built by the selector’s Selector::destination.