ByteSstFile.measure.block.count: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/ByteSstFile.bend as ByteSstFile
Lines 1421-1432 of mylsm-lsm-store@0.6.0.1/src/ByteSstFile.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteSstFile.bend&start_line=1421&end_line=1432

import Base
import mylsm-lsm-store@0.6.0.1/src/ByteWal.bend as ByteWal
import mylsm-lsm-store@0.6.0.1/src/StorageBytes.bend as StorageBytes
import mylsm-lsm-store@0.6.0.1/src/Wal.bend as Wal
import bend-kit-bytes@0.3.2.0/bytes.bend as Bytes

def measure.block.count(
  pair: Bytes.Bytes & Maybe<&2, U32>,
  +payload_length: U32,
  +total: U32,
  query: Bytes.Bytes
) -> Result<&1, &1, Wal.Error, ByteWal.ValueMetadata>:
  match pair:
    case (frame, Some{record_count}):
      measure.block.valid(frame, query, record_count, payload_length, total,
        U32.is_le(payload_length, StorageBytes.MAX_BLOCK_BYTES()) &&
          U32.is_eq(total, U32.add(40, payload_length)))
    case (_, None{}): Fail{Wal.Malformed{}}

Uses (14):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  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=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_le
  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/ByteSstFile.bend&name=measure.block.valid
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteWal.bend&name=ValueMetadata
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/StorageBytes.bend&name=MAX_BLOCK_BYTES
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/Wal.bend&name=Error