Yeah, neither can I, that's really bizarre. Shouldn't it extend Sum? (which does... | Hacker News

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swift on Sept 7, 2011 | parent | context | favorite | on: Scala use is less good than Java use for at least ...

Yeah, neither can I, that's really bizarre. Shouldn't it extend Sum? (which doesn't appear to exist)

Can anyone familiar with this design decision shed light on this?

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