Column.absent: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/column.bend as Column
Lines 57-62 of bendvy-ecs-core@0.1.0.3/column.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/column.bend&start_line=57&end_line=62

import Base

def absent(~C: Type, +depth: Nat) -> Array<Maybe<&1,C>>:
  match depth:
    case 0n:
      ALeaf{None{}}
    case 1n+rest:
      ANode{absent(~C, rest), absent(~C, rest)}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat