告诉HN：今天我了解到苹果正在用Swift重写核心内容。
在国情咨文中关于Swift的讨论中，我了解到他们在内部越来越多地进行自我验证，涉及服务器端的工作。我记得像密码和其他核心功能都是端到端使用Swift编写的。<p>他们在一次讨论中提到的主要内容是，Swift甚至被用于编写内核级的东西！
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In the State of the Union talks on Swift and things I learned that they’re doing more and more dogfooding of things internally doing serverside stuff. I recall things like passwords and other core features are end to end Swift.<p>The main thing they said in one of the talks is that Swift is being used to write even kernel level things!