ByteSstFile.parse.multi.sized.index_length: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/ByteSstFile.bend as ByteSstFile
Lines 1883-1902 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=1883&end_line=1902

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

def parse.multi.sized.index_length(
  source: Bytes.Bytes,
  file: Bytes.Bytes,
  +blocks: Nat,
  +entries: Nat,
  +level: Nat,
  +size: Nat,
  result: Bytes.Bytes & Maybe<&2, U32>
) -> Result<&1, &1, Error, ByteMemTable.Table>:
  match result:
    case (_, Some{length}):
      +index_length = U32.to_nat(length)
      +minimum_index_length = Nat.add(8n, Nat.mul(blocks, 16n))
      +index_size = Nat.add(44n, index_length)
      parse.multi.sized.valid(source, file, blocks, entries, level, size,
        index_length,
        Nat.is_le(minimum_index_length, index_length) &&
          Nat.is_le(index_size, size) &&
          Nat.is_le(20n, Nat.sub(size, index_size)))
    case (_, None{}): Fail{Malformed{}}

Uses (16):
  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=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  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.to_nat
  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/ByteMemTable.bend&name=Table
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteSstFile.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteSstFile.bend&name=parse.multi.sized.valid