Lean already produces performance comparable to Haskell and OCaml. When higher performance is essential, Lean models can be translated into efficient imperative code embedded in Lean, with clean semantics and without C’s undefined behavior. We are actively working on closing the remaining gap for performance-critical code. The real comparison is not Lean versus C. It is verified code versus unverified code.
Six soldiers died when an "unmanned aircraft system" evaded air defences to hit a command centre in Port Shuaiba, Kuwait, on Sunday.
。PDF资料对此有专业解读
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宋刚：能力肯定会有先后，我们得先把它做出来，用户满意了，未来有可能选择性的去开放，这也是阿里的商业模式。原厂原生一定会有巨大的差异。例如，千问APP与淘宝闪购的深度耦合，一定好过其他第三方的合作。
As journalist Fareed Zakaria put it, “‘Bomb and hope’ is not a strategy.”。PDF资料是该领域的重要参考