This is somewhat hypothetical as I\'m not too worried about performance - just wondering which option is actually the fastest/most efficient in general, or if there is no difference whatsoever.
I know that it\'s legal to use dynamic_cast to do a \"cross-cast\" across a class hierarchy.For example, if I have classes that look like this:
日常生活中经常艾灸对我们的健康有很好的保护作用。很多时候，我们在艾灸后会有严重的出汗，很多人会在艾灸后立即洗去身上的汗渍。但是日常生活中艾灸后能马上洗澡吗？会对我们的健康有什么不良影响吗？接下来我们来
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