def finish
import bend-collections@1.0.0.0/src/containers/bitset.bend as Bitsetimport Base
import bend-collections@1.0.0.0/src/containers/types/bitset.bend as E
551def finish(st: Bitset & List<&2, E.Obs>) -> Bitset & List<&2, E.Obs>:
552 (s, acc) = st
553 (s, List.reverse(&2, E.Obs, acc))