def entry_valid.copies
import mylsm-lsm-store@0.6.0.1/src/scan/BlockIndexPolicy.bend as BlockIndexPolicyimport Base
48# Combines independent offset copies to validate the complete block interval.
49def entry_valid.copies(
50 offsets: Nat & Nat,
51 data_length: Nat,
52 index_offset: Nat
53) -> Bool:
54 match offsets:
55 case (start, for_end):
56 Nat.is_le(20n, start) &&
57 Nat.is_le(Nat.add(for_end, data_length), index_offset)