def parse.record.tag

mylsm-lsm-store@0.6.0.1 · src/SstFile.bend:699

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

699def parse.record.tag(
700  pair: Bytes.Cursor & Maybe<&2, U32>
701) -> Bytes.Cursor & Result<&1, &1, Error, ParsedRecord>:
702  match pair:
703    case (cursor, Some{0}):
704      parse.record.key.length(Bytes.Cursor.u32be(cursor), 0)
705    case (cursor, Some{1}):
706      parse.record.key.length(Bytes.Cursor.u32be(cursor), 1)
707    case (cursor, Some{_}):
708      (cursor, Fail{Malformed{}})
709    case (cursor, None{}):
710      (cursor, Fail{Malformed{}})