BackupCursorIo.close.optional: 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 69-77 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=69&end_line=77

import Base
import mylsm-lsm-store@0.6.0.1/src/scan/VisibleCursor.bend as VisibleCursor
import mylsm-lsm-store@0.6.0.1/src/transfer/BackupIo.bend as BackupIo

def close.optional(
  file: File,
  +directory: String,
  cursor: Maybe<&1, VisibleCursor.Cursor>,
  error: U32 & String
) -> IO(Result<&1, &1, BackupIo.Error, Unit>):
  match cursor:
    case Some{reader}: close.source(file, directory, reader, error)
    case None{}: BackupIo.close.failed(file, directory, error)

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=File
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=IO
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  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=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/scan/VisibleCursor.bend&name=Cursor
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/BackupCursorIo.bend&name=close.source
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/BackupIo.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/BackupIo.bend&name=close.failed