/// <summary> /// Returns event if there wasn't one before /// </summary> /// <param name="unityAction"></param> /// <param name="action"></param> /// <returns></returns> public static UnityEventAction <T0> operator +(UnityEventAction <T0> unityAction, Action <T0> action) { if (unityAction == null) { unityAction = new UnityEventAction <T0>(); } unityAction._action += action; return(unityAction); }