def legacy.mutations.count
import mylsm-lsm-store@0.6.0.1/src/transfer/Migrate.bend as Migrateimport Base
import mylsm-lsm-store@0.6.0.1/src/Wal.bend as Wal
179def legacy.mutations.count(mutations: List<&2, Wal.Mut>) -> Nat:
180 match mutations:
181 case Nil{}: 0n
182 case Con{_, tail}: Nat.add(1n, legacy.mutations.count(tail))