RecoverableComponent.undo_checked: def of bendvy-ecs-core@0.1.0.4
Import: import bendvy-ecs-core@0.1.0.4/recoverable_component.bend as RecoverableComponent
Lines 56-61 of bendvy-ecs-core@0.1.0.4/recoverable_component.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.4/recoverable_component.bend&start_line=56&end_line=61

import Base
import bendvy-ecs-core@0.1.0.4/world.bend as W
import bendvy-ecs-core@0.1.0.4/column.bend as Col

# Invalid raw records remain intact; ordinary journal records use the accepted
# path because component operations cannot change namespace or entity liveness.
def undo_checked(~S:Data,~P:Type,~R:Type,~E:Data,record:Record<S,P>,checked:W.World<S,Col.Column<S,P>,R,E> & Bool) -> W.World<S,Col.Column<S,P>,R,E> & Record<S,P>:
  match checked:
    case (world,False{}):(world,record)
    case (world,True{}):undo_valid(~S,~P,~R,~E,record,world)

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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@0.1.0.4/column.bend&name=Column
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/recoverable_component.bend&name=Record
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/recoverable_component.bend&name=undo_valid
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/world.bend&name=World