OwnedEventLog.partition: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/owned_event_log.bend as OwnedEventLog
Lines 34-37 of bendvy-ecs-core@0.1.0.3/owned_event_log.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/owned_event_log.bend&start_line=34&end_line=37

import Base

def partition(~P:Type,rows:List<Row<P>>,+ids:List<&2,Nat>) -> List<Row<P>> & List<Row<P>>:
  match rows:
    case []:([],[])
    case Row{+id,payload} <> rest:partitioned(~P,contains(ids,id),Row{id,payload},partition(~P,rest,ids))

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=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/owned_event_log.bend&name=Row
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/owned_event_log.bend&name=contains
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/owned_event_log.bend&name=partitioned