effect function

Effect effect(void run())

Implementation

types.Effect effect(void Function() run) {
  final effect = Effect(run);
  if (system.activeSub != null) {
    system.link(effect, system.activeSub!);
  } else if (system.activeScope != null) {
    system.link(effect, system.activeScope!);
  }

  system.runEffect(effect);
  return effect;
}