ExecutionReservationMaterialization.shape_allowed: 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 40-43 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=40&end_line=43

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_column.bend as Column

def shape_allowed(~S:Data,-P:Type,-V:Data,+key:String,-origin:Layout.Layout,+index:U32,capacity:U32,bundle:Maybe<&1,P>,column:Column.Column<S,Layout.Viewed<P,V>>,valid:Bool) -> Layout.ColumnSlot<S,Layout.Viewed<P,V>,key,origin> & (Maybe<&1,P> & Maybe<&2,Bundle.Refusal>):
  match valid:
    case False{}:(Layout.ColumnSlot{column},(bundle,Some{Bundle.MalformedColumn{key}}))
    case True{}:vacancy_within(~S,P,V,key,origin,index,bundle,column,U32.is_lt(index,capacity))

Uses (13):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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=Base/base.bend&name=U32.is_lt
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/chunk_column.bend&name=Column
  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=vacancy_within