def execution_fold

bendvy-ecs-core@0.1.0.4 · ordinary_app_capture_query.bend:91

import Base
import bendvy-ecs-core@0.1.0.4/ordinary_app_execution_recipe.bend as Exec
import bendvy-ecs-core@0.1.0.4/execution_context.bend as Ctx
import bendvy-ecs-core@0.1.0.4/schedule_provision.bend as SP
import bendvy-ecs-core@0.1.0.4/ordinary_app_registration_fields.bend as Records
import bendvy-ecs-core@0.1.0.4/ordinary_app_records.bend as Leaf
import bendvy-ecs-core@0.1.0.4/world.bend as W
import bendvy-ecs-core@0.1.0.4/system.bend as Sys
import bendvy-ecs-core@0.1.0.4/transaction.bend as T
import bendvy-ecs-core@0.1.0.4/compose.bend as Q
import bendvy-ecs-core@0.1.0.4/ordinary_query_declaration.bend as Decl
import bendvy-ecs-core@0.1.0.4/ordinary_app_observation_data.bend as DTO

91# Advanced App-composition projection: collect live registration fields while
92# returning every owner, including this query's actual reader cursor.
93def execution_fold(~S:Data,~C:Type,~R:Type,~E:Data,~Owners:Type,~Rows:Data,~observe:W.World<S,C,R,E> -> W.World<S,C,R,E> & DTO.Observation<Rows>,~fold:Owners -> Owners & List<&2,Records.Fields<S>>,~PriorError:Data,~priorPlan:Owners -> Owners & SP.Plan<S>,~priorDispatch:Owners -> Ctx.Context<W.World<S,C,R,E>> -> U32 -> Owners & Sys.Outcome<Ctx.Context<W.World<S,C,R,E>>,PriorError,Unit>,~priorProvide:W.World<S,C,R,E> -> W.World<S,C,R,E> & List<&2,SP.Requirement<S>>,~L:Type,~Ops:Type -> Type,~Args:Data,~Error:Data,~Out:Data,~query:Decl.Declaration<S,Q.Frame<S,C,R,E>,Ops(Q.Frame<S,C,R,E>)>,~body:@-H:Type -> @-caps:Ops(H) -> L -> Args -> H -> H & (L & (T.Outcome<Error> & Out))) -> (Owners & Invocation(~S,~C,~R,~E,~L,~Ops,~Args,~Error,~Out,~query,~body)) -> (Owners & Invocation(~S,~C,~R,~E,~L,~Ops,~Args,~Error,~Out,~query,~body)) & List<&2,Records.Fields<S>>:
94  Leaf.fold_pair(~S,~Owners,~Invocation(~S,~C,~R,~E,~L,~Ops,~Args,~Error,~Out,~query,~body),~fold,~Exec.invocation_fields(~S,~Owned(~S,~C,~R,~E,~L,~Ops,~Args,~Error,~Out,~query,~body),~Args,~Out))