SstFile.stream.block.tail.size: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/SstFile.bend as SstFile
Lines 1536-1548 of mylsm-lsm-store@0.6.0.1/src/SstFile.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/SstFile.bend&start_line=1536&end_line=1548

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

def stream.block.tail.size(
  pair: Bytes.Cursor & Maybe<&2, U32>,
  +payload_len: U32
) -> Maybe<&2, U32>:
  match pair:
    case (_, Some{+count}):
      Bool.pick(Maybe<&2, U32>,
        U32.is_lt(0, count) && (U32.is_le(payload_len, StorageBytes.MAX_BLOCK_BYTES()) ||
          U32.is_eq(count, 1) && U32.is_le(payload_len, StorageBytes.MAX_RECORD_BYTES())) &&
          U32.is_le(payload_len, (4294967263 : U32)),
        Some{(payload_len + 32 : U32)}, None{})
    case (_, None{}):
      None{}

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=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  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=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=Base/base.bend&name=U32.is_lt
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Cursor
  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/StorageBytes.bend&name=MAX_RECORD_BYTES