ByteMemTable.retained.go: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend as ByteMemTable
Lines 463-469 of mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend&start_line=463&end_line=469

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

# Adds a fixed per-entry estimate to encoded payload bytes for retention limits.
def retained.go(entries: List<&1, Entry>, total: Nat) -> Nat:
  match entries:
    case Nil{}: total
    case Con{Entry{Bytes.Bytes{+len, _}, val}, tail}:
      retained.go(tail,
        Nat.add(Nat.add(Nat.add(total, 32n), U32.to_nat(len)), payload.value(val)))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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=U32.to_nat
  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/ByteMemTable.bend&name=Entry
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend&name=payload.value