def observation

bendvy-ecs-core@0.1.0.4 · ordinary_app_machine.bend:84

import Base
import bendvy-ecs-core@0.1.0.4/ordinary_app_recipe.bend as Tree
import bendvy-ecs-core@0.1.0.4/ordinary_app_observation_data.bend as DTO
import bendvy-ecs-core@0.1.0.4/ordinary_app_registration_fields.bend as Fields
import bendvy-ecs-core@0.1.0.4/world.bend as W
import bendvy-ecs-core@0.1.0.4/ordinary_machine_declaration.bend as OD
import bendvy-ecs-core@0.1.0.4/machine.bend as M

84# Advanced closed observer composition threading World through prior then machine.
85def observation(~S:Data,~K:Data,~V:Data,~C:Type,~R:Type,~E:Data,~take:R -> R & M.Slot<S,K,V>,~put:R -> M.Slot<S,K,V> -> R,~same:V -> V -> Bool,~declaration:OD.Declaration<S,K,V,R,take>,~render:V -> String,~Owners:Type,~Rows:Data,~prior:W.World<S,C,R,E> -> W.World<S,C,R,E> & DTO.Observation<Rows>,~fold:Owners -> Owners & List<&2,Fields.Fields<S>>) -> W.World<S,C,R,E> -> W.World<S,C,R,E> & DTO.Observation<DTO.Product<Rows,M.CurrentView<S,K,V>>>:
86  Tree.observe_pair(~W.World<S,C,R,E>,~Rows,~M.CurrentView<S,K,V>,~prior,~observe(~S,~K,~V,~C,~R,~E,~take,~declaration,~render))