Instantiate an internal node.
Instantiate an internal node.
The ordering that is applied to key values
The ordering that is applied to key values
Obtain the node stored at a given key if it exists, None otherwise
Obtain the node stored at a given key if it exists, None otherwise
create a new Black node from a key, value, left subtree and right subtree
create a new Black node from a key, value, left subtree and right subtree
Get the internal node stored at at key, or None if key is not present
A container of underlying nodes, in key order
A container of nodes, in key order, having key >= k
Iterator over nodes, in key order
Iterator over nodes, in key order, having key >= k
create a new Red node from a key, value, left subtree and right subtree
create a new Red node from a key, value, left subtree and right subtree
An inheritable (and mixable) trait representing Ordered container functionality that is backed by a Red/Black tree implemenation.
The key type
The internal node type of the underlying R/B tree subclass
The container self-type of the concrete map subclass