this post was submitted on 03 Oct 2024
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Programming
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What does Rust improve over its predecessors? The only really new thing is the borrow checker, which is only useful in very low-level programming.
It also has real type safety and thread safety.
What do you mean by its predecessor? C++? I think rust has a bunch of advantages. For one, designing a new language today gives you the benefit of hindsight meaning that they have a more cohesive set of features and a nicer standard library compared to C++ that has some bloat and cruft as a natural result of it evolving over several decades. It's also much easier to reason about undefined behavior in rust thanks to
unsafe. Algebraic data types are really nice and traits are better than classes.The borrow checker isn't just useful for low level programming. One of the other main selling points is "fearless concurrency" or essentially the fact that the borrow checker can help you reason about thread safe vs non thread safe data.
Does it need more than the borrow checker if it's a game changer?