def parse.stream.header.fields
import mylsm-lsm-store@0.6.0.1/src/ByteSstFile.bend as ByteSstFileimport Base
1513def parse.stream.header.fields(
1514 header: MultiHeader,
1515 valid_magic: Bool
1516) -> Result<&1, &1, Error, MultiHeader>:
1517 match header:
1518 case MultiHeader{_, +level, _, +block_count}:
1519 parse.stream.header.rules(header, valid_magic,
1520 U32.is_le(level, 255) && U32.is_lt(0, block_count))