def obs_bit
import bend-collections@1.0.0.0/src/containers/bitlist.bend as Bitlistimport Base
import bend-collections@1.0.0.0/src/containers/types/bitlist.bend as E
284def obs_bit(r: Bitlist & Result<&2, &2, E.Error, Bool>) -> Bitlist & E.Obs:
285 (s, x) = r
286 (s, E.OBit{x})