ResourceField.replacing: def of bendvy-ecs-core@0.1.0.4
Import: import bendvy-ecs-core@0.1.0.4/resource_field.bend as ResourceField
Lines 18-20 of bendvy-ecs-core@0.1.0.4/resource_field.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.4/resource_field.bend&start_line=18&end_line=20

import Base
import bendvy-ecs-core@0.1.0.4/owner_product.bend as Product

def replacing(~R:Type,~P:Type,~Rest:Type,~lens:Product.Lens<R,P,Rest>,replacement:P,result:Rest & P) -> R & P:
  match result:
    case (rest,old):(Product.put_field(~R,~P,~Rest,lens)(rest,replacement),old)

Uses (4):
  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=bendvy-ecs-core@0.1.0.4/owner_product.bend&name=Lens
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/owner_product.bend&name=put_field