OwnedEventLog.partitioned: 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 30-33 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=30&end_line=33

import Base

def partitioned(~P:Type,keep:Bool,row:Row<P>,result:List<Row<P>> & List<Row<P>>) -> List<Row<P>> & List<Row<P>>:
  match keep result:
    case True{}, (retained,retired):(row <> retained,retired)
    case False{}, (retained,retired):(retained,row <> retired)

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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