/// <summary>
 /// Is the nextDay the day after current date.<br />
 /// 判断是否为第二天
 /// </summary>
 /// <param name="d"></param>
 /// <param name="next"></param>
 /// <returns></returns>
 public static bool IsNextMatched(this DateInfo d, DateInfo next)
 {
     if (d is null || next is null)
     {
         return(false);
     }
     return(d.Tomorrow().Equals(next));
 }
 /// <summary>
 /// Next day, same as 'Tomorrow'
 /// </summary>
 /// <param name="d"></param>
 /// <returns></returns>
 public static DateInfo NextDay(this DateInfo d) => d.Tomorrow();