def spawn_join
bendvy-ecs-core@0.1.0.4 · compose.bend:128
import bendvy-ecs-core@0.1.0.4/compose.bend as Compose
import Base
import bendvy-ecs-core@0.1.0.4/change_tick.bend as Tick
import world.bend as W
import transaction.bend as T
128def spawn_join(~S: Data,~Store: Type,~R: Type,~E: Data,handle: W.Handle<S>,error: Maybe<&2,W.WorldError>,cursor: Maybe<&2,Tick.Tick>,observed: T.Tx<W.World<S,Store,R,E>,E> & W.Reservation<S>) -> Frame<S,Store,R,E> & W.Reservation<S>:
129 match observed:
130 case (tx,W.Reserved{+reserved}): (Frame{tx,handle,error,cursor},W.Reserved{reserved})
131 case (tx,W.ReservationRejected{+reason}): (Frame{tx,handle,first_error(error,reason),cursor},W.ReservationRejected{reason})