OK. I'll shut up since I waste your time.
At 2016-08-11 13:41:59, "Chris Lattner" <clatt...@apple.com> wrote: You’re certainly welcome to your opinion. Swift is not Typescript, and this topic has been discussed extensively in the past. We expect you to familiarize yourself with those discussions. Otherwise, it is just a waste of people’s time to rehash old arguments. -Chris On Aug 10, 2016, at 10:22 PM, Cao, Jiannan <frog...@163.com> wrote: Swift evolution seems not an evolution. I'll leave this mail list since this is not a good proposal environment. Typescript and other language community is more open to new idea. Swift-evolution is just a weird community. 在 2016-08-11 13:18:54，"Chris Lattner" <clatt...@apple.com> 写道： On Aug 10, 2016, at 8:15 PM, Xiaodi Wu via swift-evolution <swift-evolution@swift.org> wrote: I don't know if the core team feels differently now with respect to Swift 4, but union types are listed as a "commonly rejected change": https://github.com/apple/swift-evolution/blob/master/commonly_proposed.md There is no change in opinion here. This topic is also out of scope for Swift 4 stage 1 in any case. -Chris
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