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巨汗……你把Nothing 和 None两个都混在一起了,None只对应Option Monad, Nothing 才是对应所有的类型做Bottom type

wxlin2k (wxlin2k)
(#9849619@0)
2015-12-24 -05:00
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Back To Topic: 节前最后一刻,写点我对Null的思考。

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