DefaultConfig returns a configuration with the persister set.

Load returns a ReadableTree from persistence.

New creates a new ReadableTree using the provided config.

ErrNodeNotFound is returned when the cacher could not find a node.

ErrTreeNotFound is returned when a tree with the provided key could not be loaded.

Config defines all the parameters available to the UB-tree.

Key a convenience struct that holds both an id and a value.

Node represents either a leaf node or an internal node.

Payload is very basic and simply contains a key and a payload.

Tr itself is exported so that the code generated for serialization/deserialization works on Tr.

MutableTree represents a mutable version of the btree.

Perister describes the interface of the different implementations.

ReadableTree represents the operations that can be performed on a read-only version of the tree.

Tree describes the common functionality of both the read-only and mutable forms of a btree.

Comparator is used to determine ordering in the tree.

ID exists because i'm tired of writing []byte.