fn find_cells( map: &Map, perimeter: &Perimeter, borders: &BTreeSet<IntersectionID>, modal_filters: &ModalFilters) -> Vec<Cell>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,
impl<A> Write for Vec<u8, A> where A: Allocator,