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.
fail in the runtime evaluator.，推荐阅读搜狗输入法2026获取更多信息
，更多细节参见Safew下载
class (see InitField). Accessible with .init.，推荐阅读heLLoword翻译官方下载获取更多信息
Ambient Dreamie bedside companion review