ByteDurableDb.value_length.preserve: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/ByteDurableDb.bend as ByteDurableDb
Lines 1518-1534 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=1518&end_line=1534

import Base
import mylsm-lsm-store@0.6.0.1/src/scan/VisibleStats.bend as VisibleStats
import mylsm-lsm-store@0.6.0.1/src/ValueLengthPolicy.bend as ValueLengthPolicy

def value_length.preserve(
  base_stats: VisibleStats.Stats,
  pair: Handle & Result<&1, &1, Error, Maybe<&1, U32>>
) -> Handle & Result<&1, &1, Error, Maybe<&1, U32>>:
  match pair:
    case (Handle{path, lock, table, state, _}, Done{Some{value_bytes}}):
      value_length.preserve.handle(path, lock, table, state,
        ValueLengthPolicy.after_lookup(base_stats,
          ValueLengthPolicy.ValueFound{}), Done{Some{value_bytes}})
    case (Handle{path, lock, table, state, _}, Done{None{}}):
      value_length.preserve.handle(path, lock, table, state,
        ValueLengthPolicy.after_lookup(base_stats,
          ValueLengthPolicy.ValueMissing{}), Done{None{}})
    case (Handle{path, lock, table, state, _}, Fail{error}):
      value_length.preserve.handle(path, lock, table, state,
        ValueLengthPolicy.after_lookup(base_stats,
          ValueLengthPolicy.LookupFailed{}), Fail{error})

Uses (11):
  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=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=value_length.preserve.handle
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ValueLengthPolicy.bend&name=Outcome
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ValueLengthPolicy.bend&name=after_lookup
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/VisibleStats.bend&name=Stats