nl_tokens: Level up adapter that looks like an array . Doesn t support inserts .
pl_tokens: function LevelUpArrayAdapter ( name , <mask> , serializer ) { this . db = Sublevel ( db ) ; this . db = this . db . sublevel ( name ) ; this . name = name ; this . serializer = serializer || { encode : function ( val , callback ) { callback ( null , val ) ; } , decode : function ( val , callback ) { callback ( null , val ) ; } } ; }