fn recalculate_intersection_polygon( map: &mut Map, changed_road: RoadID, changed_road_width: Distance, i: IntersectionID) -> Vec<RoadID>ⓘ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,