> 下面是被转发的邮件： > > 发件人: Cao Jiannan <frog...@163.com> > 主题: 回复： [apple/swift-evolution] Proposal: Union Type (#404) > 日期: 2016年7月1日 GMT+8 21:22:32 > 收件人: apple/swift-evolution > <reply+001b1f9a1742a747c12a7f51b5245cb71cd8effe20d7236d92cf00000001138e2b4a92a169ce09bc7...@reply.github.com> > > what if OneOf<A, A>? > > duplicate variable compile warning? > >> 在 2016年7月1日，20:59，Adrian Z. <notificati...@github.com >> <mailto:notificati...@github.com>> 写道： >> >> Just one simple thing to add: >> >> If ...T equals 10 then <...T, U> = 10 + 1 = 11 types >> If ...U equals 17 then <T, ...U> = 1 + 17 = 18 types >> If ...T equals 20 and ...Uequals 22 then <...T, ...U> = 20 + 22 = 42 types >> — >> You are receiving this because you were mentioned. >> Reply to this email directly, view it on GitHub >> <https://github.com/apple/swift-evolution/pull/404#issuecomment-229940122>, >> or mute the thread >> <https://github.com/notifications/unsubscribe/ABsfmhH9yasaWK8vAs17DGXWHV54QuCkks5qRQ9KgaJpZM4JC7-2>. >> >
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