ExecutionReservationMaterialization.check_leaf: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/execution_reservation_materialization.bend as ExecutionReservationMaterialization
Lines 47-50 of bendvy-ecs-core@0.1.0.3/execution_reservation_materialization.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/execution_reservation_materialization.bend&start_line=47&end_line=50

import Base
import bendvy-ecs-core@0.1.0.3/execution_reservation_bundle.bend as Bundle
import bendvy-ecs-core@0.1.0.3/execution_composer_layout.bend as Layout
import bendvy-ecs-core@0.1.0.3/chunk_shape.bend as Part

def check_leaf(~S:Data,-P:Type,-V:Data,+key:String,-origin:Layout.Layout,index:U32,slot:Layout.ColumnSlot<S,Layout.Viewed<P,V>,key,origin>,bundle:Maybe<&1,P>) -> Layout.ColumnSlot<S,Layout.Viewed<P,V>,key,origin> & (Maybe<&1,P> & Maybe<&2,Bundle.Refusal>):
  match slot bundle:
    case slot None{}:(slot,(None{},None{}))
    case Layout.ColumnSlot{column} Some{owner}:shape_checked(~S,P,V,key,origin,index,Some{owner},Part.inspect(S,Layout.Viewed<P,V>,column))

Uses (11):
  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=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/chunk_shape.bend&name=inspect
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/execution_composer_layout.bend&name=ColumnSlot
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/execution_composer_layout.bend&name=Layout
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/execution_composer_layout.bend&name=Viewed
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/execution_reservation_bundle.bend&name=Refusal
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/execution_reservation_materialization.bend&name=shape_checked