ByteDurableDb.get.length.manifest.fallback: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend as ByteDurableDb
Lines 1437-1465 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=1437&end_line=1465

import Base
import mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend as ByteMemTable
import mylsm-lsm-store@0.6.0.1/src/ByteManifest.bend as ByteManifest
import mylsm-lsm-store@0.6.0.1/src/ByteManifestIo.bend as ByteManifestIo
import mylsm-lsm-store@0.6.0.1/src/DbLock.bend as DbLock
import mylsm-lsm-store@0.6.0.1/src/scan/VisibleStats.bend as VisibleStats
import bend-kit-bytes@0.3.2.0/bytes.bend as Bytes

def get.length.manifest.fallback(
  +path: String,
  lock: DbLock.Lock,
  key: Bytes.Bytes,
  table: ByteMemTable.Table,
  result: Result<&1, &1, ByteManifestIo.Error, ByteManifest.ManifestValue>
) -> IO(Handle & Result<&1, &1, Error, Maybe<&1, U32>>):
  match result:
    case Fail{ByteManifestIo.Invalid{_}}:
      IO.pure(Handle & Result<&1, &1, Error, Maybe<&1, U32>>,
        (Handle{path, lock, table, Open{}, VisibleStats.Stats{0n, 0n}},
          Fail{Corruption{"byte manifest validation failed"}}))
    case Fail{ByteManifestIo.Host{code, message}}:
      IO.pure(Handle & Result<&1, &1, Error, Maybe<&1, U32>>,
        (Handle{path, lock, table, Open{}, VisibleStats.Stats{0n, 0n}},
          Fail{Io{code, message}}))
    case Done{ByteManifest.Empty{}}:
      IO.pure(Handle & Result<&1, &1, Error, Maybe<&1, U32>>,
        (Handle{path, lock, table, Open{}, VisibleStats.Stats{0n, 0n}},
          Done{None{}}))
    case Done{ByteManifest.GenerationEmpty{}}:
      IO.pure(Handle & Result<&1, &1, Error, Maybe<&1, U32>>,
        (Handle{path, lock, table, Open{}, VisibleStats.Stats{0n, 0n}},
          Done{None{}}))
    case Done{ByteManifest.HasSst{}}:
      get.length.sst((path.clone.pair(path ++ "/SST")), lock, table, key)
    case Done{ByteManifest.GenerationSst{file_id}}:
      get.length.sst((ByteManifest.sst.generation.path(path, file_id), path),
        lock, table, key)

Uses (21):
  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=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=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  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=HandleState
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=get.length.sst
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend&name=path.clone.pair
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteManifest.bend&name=ManifestValue
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteManifest.bend&name=sst.generation.path
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteManifestIo.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend&name=Table
  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/scan/VisibleStats.bend&name=Stats