BlockOrder.advance.state: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/scan/BlockOrder.bend as BlockOrder
Lines 26-35 of mylsm-lsm-store@0.6.0.1/src/scan/BlockOrder.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/BlockOrder.bend&start_line=26&end_line=35

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

def advance.state(
  previous: Maybe<&1, Bytes.Bytes>,
  +count: Nat,
  valid: Bool,
  copies: Bytes.Bytes & Bytes.Bytes
) -> State:
  match copies:
    case (for_compare, retained):
      State{valid && compare(previous, for_compare), Some{retained},
        Nat.add(count, 1n)}

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  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=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/BlockOrder.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/BlockOrder.bend&name=compare