def observable_define

bendvy-ecs-core@0.1.0.4 · ordinary_system.bend:90

import Base
import bendvy-ecs-core@0.1.0.4/change_tick.bend as Tick
import bendvy-ecs-core@0.1.0.4/ordinary_query_declaration.bend as Query
import bendvy-ecs-core@0.1.0.4/compose.bend as Q
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/ordinary_query_observable.bend as O
import bendvy-ecs-core@0.1.0.4/inspector.bend as I

90# Register from one observable declaration, deriving operational access
91# and retaining its typed runner. Returns Defined or Rejected with World.
92# Inspection is a separate read-only route; defining a system reads no rows.
93def observable_define(~S:Data,~C:Type,~R:Type,~E:Data,~Ops:Type -> Type,~A:Data,~U:Data,~Out:Data,~V:Data,~query:O.Declaration<S,Q.Frame<S,C,R,E>,Ops(Q.Frame<S,C,R,E>),I.Frame<S,C,R,E>,V>,~body:@-H:Type -> @-caps:Ops(H) -> A -> H -> H & (T.Outcome<U> & Out),world:W.World<S,C,R,E>,name:String,slot:String) -> Defined<S,W.World<S,C,R,E>,Sys.Registry<S,C,R,E,A & Maybe<&2,Tick.Tick>,Q.Error<U>,List<&2,Out>,observable_runner(~S,~C,~R,~E,~Ops,~A,~U,~Out,~V,~query,~body)>>:
94  observable_registered(~S,~C,~R,~E,~Ops,~A,~U,~Out,~V,~query,~body,slot,Query.clauses(~S,~Q.Frame<S,C,R,E>,~Ops(Q.Frame<S,C,R,E>),O.operational(~S,~Q.Frame<S,C,R,E>,~Ops(Q.Frame<S,C,R,E>),~I.Frame<S,C,R,E>,~V,query)),Sys.register(~S,~C,~R,~E,~(A & Maybe<&2,Tick.Tick>),~Q.Error<U>,~List<&2,Out>,~observable_runner(~S,~C,~R,~E,~Ops,~A,~U,~Out,~V,~query,~body),world,name,access(~S,Query.clauses(~S,~Q.Frame<S,C,R,E>,~Ops(Q.Frame<S,C,R,E>),O.operational(~S,~Q.Frame<S,C,R,E>,~Ops(Q.Frame<S,C,R,E>),~I.Frame<S,C,R,E>,~V,query)))))