MigrateIo.table.lock.present.start: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/transfer/MigrateIo.bend as MigrateIo
Lines 423-429 of mylsm-lsm-store@0.6.0.1/src/transfer/MigrateIo.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/MigrateIo.bend&start_line=423&end_line=429

import Base
import mylsm-lsm-store@0.6.0.1/src/DbLock.bend as DbLock
import mylsm-lsm-store@0.6.0.1/src/DurableError.bend as DurableError

def table.lock.present.start(paths: String & String) -> IO(Result<&1, &1, Error, Nat & Nat>):
  match paths:
    case (lock_path, retained_path):
      do IO<Result<&1, &1, Error, Nat & Nat>>:
        acquired : Result<&1, &1, DurableError.Error, DbLock.Lock> <-
          DbLock.acquire(lock_path, "migrate-verify")
        table.lock.acquired(retained_path, acquired)

Uses (12):
  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=mylsm-lsm-store@0.6.0.1/src/DbLock.bend&name=Lock
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/DbLock.bend&name=acquire
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/DurableError.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/MigrateIo.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/MigrateIo.bend&name=table.lock.acquired