ByteWal.record.key.length: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/ByteWal.bend as ByteWal
Lines 351-362 of mylsm-lsm-store@0.6.0.1/src/ByteWal.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteWal.bend&start_line=351&end_line=362

import Base
import bend-kit-bytes@0.3.2.0/bytes.bend as Bytes

# Parses a record key length and verifies its bounded range.
def record.key.length(
  pair: Bytes.Bytes & Maybe<&2, U32>,
  tag: U32,
  offset: U32
) -> DecodedRecord:
  match pair:
    case (frame, None{}):
      record.malformed(frame)
    case (frame, Some{+length}):
      record.key.length.checked(Bytes.length(frame), tag, length,
        (offset + 5 : U32))

Uses (10):
  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=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  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=bend-kit-bytes@0.3.3.0/bytes.bend&name=length
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteWal.bend&name=DecodedRecord
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteWal.bend&name=record.key.length.checked
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteWal.bend&name=record.malformed