NewDBStore returns a Store backed by a database with the view of all commands frozen at creation.

NewDedupCursor returns a cursor that skips over all duplicate entries.

NewFaultyInMemoryDB creates a new FaultyInMemoryDB with the given commands.

NewHybridStore returns a store that provides a view of all the commands that exists in the database, plus a in-memory session history.

NewMemStore returns a Store that stores command history in memory.

ErrEndOfHistory is returned by Cursor.Get if the cursor is currently over the edge.

Cursor is used to navigate a Store.

DB is the interface of the storage database.

FaultyInMemoryDB is an in-memory DB implementation that can be injected one-off errors.

Store is an abstract interface for history store.