def size_loop
import bendvy-ecs-core@0.1.0.4/event_runtime.bend as EventRuntimeimport Base
57def size_loop(~E: Data,batches: List<&2,Batch<E>>,+acc: Nat) -> Nat:
58 match batches:
59 case []: acc
60 case Batch{_,items} <> rest: size_loop(~E,rest,count_loop(~E,items,acc))