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> Tracking moves is fundamental here.

I mean, arguably. If it is fundamental for your hypothetical use case, then sure, but this is not required for a lot of use cases, like smart pointers.



> this is not required for a lot of use cases, like smart pointers.

Nobody claimed otherwise. The question was what things Rust can't do, not what it can do.


Yeah, that's fair. You can't do it, not even using horrible hacks.




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