Keep is an Option that sets the amount of time to keep a database entry.

Open opens the given file and returns it as a *DB.

UpdateOnAccess is an Option controlling whether to update a db entry's timestamp when accessed with Has.

WithClock is an Option that sets the database's clock.

DB is an implementation of fab.HashDB that uses a Sqlite3 file for persistent storage.

Option is the type of a config option that can be passed to Open.