def Utf8.backup.started
import mylsm-lsm-store@0.6.0.1/mylsm.bend as Mylsmimport Base
2495# Opens the same logical byte backup through the text facade.
2496def Utf8.backup.started(
2497 pair: Bytes.Handle & Result<&1, &1, Bytes.Error, Bytes.BackupStream>
2498) -> Utf8.Handle & Result<&1, &1, Utf8.Error, Utf8.BackupStream>:
2499 match pair:
2500 case (handle, Fail{error}): (Utf8Handle{handle}, Fail{Utf8Failure{error}})
2501 case (handle, Done{inner}):
2502 (Utf8Handle{handle}, Done{Utf8BackupStream{inner}})