def despawn_checked

bendvy-ecs-core@0.1.0.4 · commands.bend:95

import Base
import bendvy-ecs-core@0.1.0.4/trace_world.bend as TraceWorld
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

95def despawn_checked(~S: Data,~C: Type,~R: Type,~E: Data,allowed: Bool,world: W.World<S,C,R,E>,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,+handle: W.Handle<S>) -> T.Tx<W.World<S,C,R,E>,E> & W.Status:
96  match allowed:
97    case False{}: (T.Tx{world,undo,commands,events,trace},W.Rejected{W.MissingEntity{}})
98    case True{}: (T.Tx{world,undo,despawn_command(~S,~C,~R,~E,TraceFacts.enabled(trace),handle) <> commands,events,TraceWorld.deferred(~S,trace,"despawn",TraceFacts.StageOperation{},handle,TraceFacts.Attempted{})},W.Accepted{})