Struct rstar::primitives::PointWithData [−][src]
pub struct PointWithData<T, P> {
pub data: T,
// some fields omitted
}
Expand description
A point with some associated data that can be inserted into an r-tree.
Often, adding metadata (like a database index) to a point is required before adding them into an r-tree. This struct removes some of the boilerplate required to do so.
Example
use rstar::{RTree, PointDistance};
use rstar::primitives::PointWithData;
type RestaurantLocation = PointWithData<&'static str, [f64; 2]>;
let mut restaurants = RTree::new();
restaurants.insert(RestaurantLocation::new("Pete's Pizza Place", [0.3, 0.2]));
restaurants.insert(RestaurantLocation::new("The Great Steak", [-0.8, 0.0]));
restaurants.insert(RestaurantLocation::new("Fishy Fortune", [0.2, -0.2]));
let my_location = [0.0, 0.0];
// Now find the closest restaurant!
let place = restaurants.nearest_neighbor(&my_location).unwrap();
println!("Let's go to {}", place.data);
println!("It's really close, only {} miles", place.distance_2(&my_location))
Fields
data: T
Any data associated with a point.
Implementations
Trait Implementations
Returns the “default value” for a type. Read more
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
This method tests for !=
.
This method returns an ordering between self
and other
values if one exists. Read more
This method tests less than (for self
and other
) and is used by the <
operator. Read more
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
Auto Trait Implementations
impl<T, P> RefUnwindSafe for PointWithData<T, P> where
P: RefUnwindSafe,
T: RefUnwindSafe,
impl<T, P> Send for PointWithData<T, P> where
P: Send,
T: Send,
impl<T, P> Sync for PointWithData<T, P> where
P: Sync,
T: Sync,
impl<T, P> Unpin for PointWithData<T, P> where
P: Unpin,
T: Unpin,
impl<T, P> UnwindSafe for PointWithData<T, P> where
P: UnwindSafe,
T: UnwindSafe,
Blanket Implementations
Mutably borrows from an owned value. Read more