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rpointer--; rpointer++;这用法的奥秘在哪? #39

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@Seainboat

博主您好,我在学习您的代码,TimeNormalizer类的TimeEx方法中,有两段代码都用到了rpointer--; rpointer++;这种写法。
我自己写了测试类,发现这样做了之后rpointer的值似乎是没有任何变化的,那么这种用法的奥秘在哪儿呢?
若博主看到了消息,很期待能被老师您指点一下,万分感激!!!

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