想请教一下,TType接口中的Apply方法,其作用是什么呢? #112
DustinMaple
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TType中一共6个Apply方法,我看了他所有的实现,都是visitor.Accept。那为什么没有直接在调用Apply的地方,写成visitor.Accept呢?是为了预留什么扩展吗?或者是其他什么考虑呢?
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