OwnerProduct.Lens: type of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/owner_product.bend as OwnerProduct
Lines 25-27 of bendvy-ecs-core@0.1.0.3/owner_product.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/owner_product.bend&start_line=25&end_line=27

import Base

# Canonical setup composes these fields; user systems only receive opaque caps.
type Lens<-Whole:Type,-Part:Type,-Rest:Type> is Type:
  Lens{take:Whole -> Rest & Part,put:Rest -> Part -> Whole}

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair