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I still haven't gotten into rust yet, mostly due to time and demand, but, I have been doing a lot of C++ in the past few years.

Coming from that background these rules sound fantastic, theres been a lot of work put into c++ the past few years to try and make these things easier to enforce but it's still difficult to do right even with smart pointers.

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The main problem is that a lot of things that are correct wrt lifetimes will still not compile because the borrow checker can't prove that they are correct. Even for fairly trivial stuff sometimes, like trees with backlinks.

Rust has succeeded in making us hesitant reaching out to raw pointers. To the point we sometimes forget that we can opt-in into unsafe raw pointers on demand. Unlike C/C++ being opt-in to maybe somewhat safe.

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