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What is Rust NOT suitable for, architecturally? (lemmy.ml)

submitted 3 years ago by [email protected] to c/[email protected]

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From a language architecture standpoint and not an ecosystem standpoint, what might be some things where you'd really not want to use Rust, either because of some limitation that prevents it from doing it or just because it'd be massively annoying to write to the point of significantly reduced productivity? What about Rust makes it unsuitable, and what language paradigms are the best for it?

I hear a lot about how the things that Rust is not good for, JIT compilation with a garbage collector is usually the best solution, and vice versa. How true is this?

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[–] [email protected] 3 points 3 years ago (1 children)

I feel like Rust isn't good for anything that has unsafe in it, or anything that needs to call in C++ code (like the extended LLVM API).

[–] [email protected] 1 points 3 years ago

Why is rust bad for unsafe? Isn't that like a superpower to be able to "override" the borrow checker on a specific line instead of having a whole unsafe codebase?