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.
TypeVarTuple is close to being able to support adding and
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США впервые ударили по Ирану ракетой PrSM. Что о ней известно и почему ее назвали «уничтожителем» российских С-400?20:16
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BBC Newsbeat has been asking some of them why they love the series so much, why it appeals to so many people, and why it continues to prove so popular.
Американскому сенатору стало «страшнее, чем когда либо» после брифинга по Ирану02:37，详情可参考体育直播