def observation

bendvy-ecs-core@0.1.0.4 · ordinary_app_relation.bend:86

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/relation_failure_reader.bend as Ord

86# Advanced recipe adapter: retain the prior observation, then append this view.
87# The shared World owner is passed through both observers in that order.
88def observation(~S:Data,~C:Type,~R:Type,~E:Data,~declaration:Ord.Declaration<S>,~render:Row(~S) -> String,~Owners:Type,~Rows:Data,~prior:World(~S,~C,~R,~E) -> World(~S,~C,~R,~E) & DTO.Observation<Rows>,~fold:Owners -> Owners & List<&2,Fields.Fields<S>>) -> World(~S,~C,~R,~E) -> World(~S,~C,~R,~E) & DTO.Observation<ObservedRows(~S,~Rows)>:
89  Tree.observe_pair(~World(~S,~C,~R,~E),~Rows,~View<S>,~prior,~observe(~S,~C,~R,~E,~declaration,~render))