def get_join

bendvy-ecs-core@0.1.0.4 · resource.bend:7

import Base
import bendvy-ecs-core@0.1.0.4/deferred_command.bend as Deferred
import bendvy-ecs-core@0.1.0.4/trace_facts.bend as TraceFacts
import bendvy-ecs-core@0.1.0.4/world.bend as W
import bendvy-ecs-core@0.1.0.4/transaction.bend as T

7def get_join(~S: Data,~C: Type,~R: Type,~E: Data,~V: Data,observed: W.World<S,C,R,E> & V,undo: List<(W.World<S,C,R,E> -> W.World<S,C,R,E>)>,commands:List<Deferred.Command<W.World<S,C,R,E>>>,events: List<&2,E>,trace:TraceFacts.State) -> T.Tx<W.World<S,C,R,E>,E> & V:
8  (world,value) = observed
9  (T.Tx{world,undo,commands,events,trace},value)