def count.keep
import mylsm-lsm-store@0.6.0.1/src/ByteMemTable.bend as ByteMemTableimport Base
88# Returns both the original entry order and its size.
89def count.keep(entries: List<&1, Entry>) -> List<&1, Entry> & Nat:
90 count.keep.go(entries, Nil{}, 0n)