Adds a child node to this node.
Adds a child node to this node.
Adds an object of Distance[T] to the node that contains a value v of type U.
The children of a node.
The children of a node.
Defines the distance between a query and the internal nodes of an index.
Indicates if this is a leaf node
Indicates if this is a leaf node
Compute the distance between each object stored in the leaf node and a query value of type Distance[T].
Convenience trait for leaf node of a tree.