ExecutionReservationMaterialization.written_stamp: 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 67-72 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=67&end_line=72

import Base
import bendvy-ecs-core@0.1.0.3/chunk_column.bend as Column
import bendvy-ecs-core@0.1.0.3/change_tick.bend as Tick
import bendvy-ecs-core@0.1.0.3/lifecycle.bend as L

# Internal storage primitive, called only after whole-tree preflight and ensure.
# Like canonical Column.swap_leaf, it preserves the displaced affine owner and
# updates both lifecycle stamps using the captured publication tick.
def written_stamp(~S:Data,-P:Type,values:Array<Maybe<&1,P>>,previous:Maybe<&1,P>,+index:U32,tick:Tick.Tick,wasPresent:Bool,result:Array<L.Stamp> & L.Stamp) -> Column.Column<S,P> & Maybe<&1,P>:
  match result:
    case (stamps,stamp):(Column.Leaf{values,Array.set(L.Stamp,stamps,index,L.after_write(True{},wasPresent,stamp,tick))},previous)

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.set
  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=U32
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/change_tick.bend&name=Tick
  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/lifecycle.bend&name=Stamp
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/lifecycle.bend&name=after_write