Backup.block.header: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/transfer/Backup.bend as Backup
Lines 196-204 of mylsm-lsm-store@0.6.0.1/src/transfer/Backup.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/Backup.bend&start_line=196&end_line=204

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

def block.header(
  +index: U32,
  +count: U32,
  pair: Bytes.Bytes & U32
) -> Bytes.Bytes:
  match pair:
    case (frame, +length):
      Bytes.concat([block.magic(), u32.bytes(index), u32.bytes(count),
        u32.bytes(length), frame])

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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=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=concat
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/Backup.bend&name=block.magic
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/transfer/Backup.bend&name=u32.bytes