ChunkColumn.take_leaf: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/chunk_column.bend as ChunkColumn
Lines 227-230 of bendvy-ecs-core@0.1.0.3/chunk_column.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/chunk_column.bend&start_line=227&end_line=230

import Base
import bendvy-ecs-core@0.1.0.3/lifecycle.bend as L

def take_leaf(-S:Data,-C:Type,values:Array<Maybe<&1,C>>,stamps:Array<L.Stamp>,+index:U32,allowed:Bool) -> Column<S,C> & Maybe<&1,C>:
  match allowed:
    case False{}:(Leaf{values,stamps},None{})
    case True{}:take_leaf_done(S,C,stamps,index,Array.swap(Maybe<&1,C>,values,index,None{}))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.swap
  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/chunk_column.bend&name=Column
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/chunk_column.bend&name=take_leaf_done
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/lifecycle.bend&name=Stamp