SetField for notify

NotifyHelper

public static class NotifyHelper
    {
        public static bool SetField<T,F>(this T target,ref F field, F value, Action<T> callback)
        {
            if (EqualityComparer<F>.Default.Equals(field, value)) return false;
            field = value;
            callback?.Invoke(target);
            return true;
        }
    }