BackupCursorIo.destination.checked: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/transfer/BackupCursorIo.bend as BackupCursorIo
Lines 285-300 of mylsm-lsm-store@0.6.0.1/src/transfer/BackupCursorIo.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/BackupCursorIo.bend&start_line=285&end_line=300

import Base
import mylsm-lsm-store@0.6.0.1/src/Fs.bend as Fs
import mylsm-lsm-store@0.6.0.1/src/transfer/BackupCursor.bend as BackupCursor
import mylsm-lsm-store@0.6.0.1/src/transfer/BackupIo.bend as BackupIo

def destination.checked(
  +destination: String,
  +temporary: String,
  initial: BackupCursor.Step,
  fuel: Nat,
  exists: Result<&1, &1, U32 & String, Bool>
) -> IO(Result<&1, &1, BackupIo.Error, Unit>):
  match exists:
    case Fail{(code, message)}:
      initial.failed(initial, BackupIo.Io{code, message})
    case Done{True{}}:
      initial.failed(initial, BackupIo.AlreadyExists{})
    case Done{False{}}:
      do IO<Result<&1, &1, BackupIo.Error, Unit>>:
        created : Result<&1, &1, U32 & String, Unit> <- Fs.make_dir(path.clone(temporary))
        directory.created(destination, temporary, initial, fuel, created)

Uses (16):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO.bind
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/Fs.bend&name=make_dir
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/BackupCursor.bend&name=Step
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/BackupCursorIo.bend&name=directory.created
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/BackupCursorIo.bend&name=initial.failed
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/BackupCursorIo.bend&name=path.clone
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/BackupIo.bend&name=Error