Column.indexed_view_checked: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/column.bend as Column
Lines 113-116 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=113&end_line=116

import Base
import indexed_lifecycle.bend as M

def indexed_view_checked(~S:Data,~C:Type,~V:Data,~project:C -> C & V,+id:U32,values:Array<Maybe<&1,C>>,metadata:M.Metadata,valid:Bool) -> Column<S,C> & Maybe<&2,V>:
  match valid:
    case False{}: (indexed_wrap(~S,~C,values,metadata),None{})
    case True{}: indexed_view_taken(~S,~C,~V,~project,id,metadata,Array.swap(Maybe<&1,C>,values,U32.sub(id,1),None{}))

Uses (12):
  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=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/column.bend&name=Column
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/column.bend&name=indexed_view_taken
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/column.bend&name=indexed_wrap
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/indexed_lifecycle.bend&name=Metadata