def modify_at
import bendvy-ecs-core@0.1.0.3/chunk_column.bend as ChunkColumnimport Base
import bendvy-ecs-core@0.1.0.3/change_tick.bend as Tick
185def modify_at(~S:Data,~C:Type,~V:Data,~transform:C -> C & V,column:Column<S,C>,index:U32,tick:Tick.Tick) -> Column<S,C> & Maybe<&2,V>:
186 edit_search(~S,~C,~V,transform,15n,Visit{column,index,Root{}},tick,True{})