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by cmrx64
3258 days ago
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No, it's not true, it "extracts" (compiles) to C++. <https://github.com/leanprover/lean/pull/1241> It's written in Lean itself, as a metaprogram. The code it generates calls into the Lean library ("runtime") for some objects, otherwise uses native types when it can. vm_obj's in Lean are reference counted. There's also in-progress work on an LLVM backend. |
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