( #comment (let config (DataSource 'config)) (let res_sink (DataSink 'result)) (let data (AsList (Uint32 '3) (Uint32 '5) (Uint32 '7) (Uint32 '10))) (let world (Write! world res_sink (Key) data '('('take '2)))) (let world (Commit! world res_sink)) (return world) )