def lens
import bendvy-ecs-core@0.1.0.4/world_resource_owner.bend as WorldResourceOwnerimport Base
import bendvy-ecs-core@0.1.0.4/world.bend as W
import bendvy-ecs-core@0.1.0.4/owner_product.bend as Product
16def lens(~S:Data,~C:Type,~R:Type,~E:Data) -> Product.Lens<W.World<S,C,R,E>,R,Rest<S,C,R,E>>:
17 Product.Lens{take(~S,~C,~R,~E),put(~S,~C,~R,~E)}