RestoreClear.component_cleared: def of bendvy-ecs-core@0.1.0.4
Import: import bendvy-ecs-core@0.1.0.4/restore_clear.bend as RestoreClear
Lines 11-17 of bendvy-ecs-core@0.1.0.4/restore_clear.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.4/restore_clear.bend&start_line=11&end_line=17

import Base
import bendvy-ecs-core@0.1.0.4/restore_data.bend as R
import bendvy-ecs-core@0.1.0.4/snapshot_leaf.bend as Leaf
import bendvy-ecs-core@0.1.0.4/ordinary_declaration.bend as Identity
import bendvy-ecs-core@0.1.0.4/persistence_declaration.bend as Decl
import bendvy-ecs-core@0.1.0.4/decode_data.bend as D
import bendvy-ecs-core@0.1.0.4/column.bend as Col
import bendvy-ecs-core@0.1.0.4/world.bend as W

# Called only after complete staging and capacity admission. Old payloads leave
# scope here; no inverse, destructor or finalizer callback is executed.
def component_cleared(~S:Data,~P:Type,~identity:Identity.Declaration<S,P>,~project:P -> P & D.Raw,declaration:Decl.Constructed<S,P,identity,project>,+handle:W.Handle<S>,observed:Col.SwapOutcome<S,P>) -> Leaf.Component<S,P,identity,project> & List<&2,R.Change<S>>:
  match observed:
    case Col.Accepted{column,Some{owner}}:(Leaf.Component{column,declaration},[R.Removed{handle,Identity.key(~S,~P,identity)}])
    case Col.Accepted{column,None{}}:(Leaf.Component{column,declaration},[])
    case Col.Rejected{column,_}:(Leaf.Component{column,declaration},[])

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  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=SwapOutcome
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/decode_data.bend&name=Raw
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/ordinary_declaration.bend&name=Declaration
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/ordinary_declaration.bend&name=key
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/persistence_declaration.bend&name=Constructed
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/restore_data.bend&name=Change
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/snapshot_leaf.bend&name=Component
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/world.bend&name=Handle