ByteDurableDb.open.existing.present: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend as ByteDurableDb
Lines 415-426 of mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&start_line=415&end_line=426

import Base

# Validates the WAL path before acquiring ownership.
def open.existing.present(
  +path: String,
  result: Result<&1, &1, U32 & String, Bool>
) -> IO(Result<&1, &1, Error, Handle>):
  match result:
    case Fail{error}:
      IO.pure(Result<&1, &1, Error, Handle>, Fail{io.error(error)})
    case Done{False{}}:
      IO.pure(Result<&1, &1, Error, Handle>, Fail{NotFound{}})
    case Done{True{}}:
      open.existing(path)

Uses (11):
  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.pure
  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=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=Handle
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=io.error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=open.existing