this post was submitted on 16 Feb 2025
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The JS tooling universe has always seemed like a Lovecraftian hellscape to me. I've managed to stay away from it so far, but if I were caught in it, of course I'd be trying to escape any way I could. It sounds like Rust's attraction here has been as a viable escape corridor rather than anything about Rust per se.
In particular, I get that everyone wants their code to be faster, and I get that certain bloaty apps (browsers) need to get their memory footprint under control, and a few niche areas (OS kernels, realtime control) can't stand GC pauses. Other than that though, what is the attraction of Rust for stuff like tooling? As opposed to a (maybe hypothetical) compiled, GC'd language with a good type system and not too much abstraction inversion (Haskell's weakness, more or less).
Has Golang fizzled? It has struck me as too primitive, but basically on the right track.
Rust seems neat from a language geek perspective, but from what I can tell, it requires considerable effort from the programmer handle a problem (manual storage reclamation) that most programs don't really have. I do want to try it sometime. So the Rust question is intended as more inquisitive/head scratching rather than argumentative.
I think once you get into rust you just have a hard time going back, and it doesn't feel "hard" anymore. I can practically rust as easily as I can python for scripting and for API servers.
Rust really only gets hard when doing library development IMO. That's when you need lifetimes and well chosen types. But that's also why Rust libraries are superb.
I had the impression Rust doesn't handle concurrency particularly well, at least no better than Python, which does it badly (i.e. with colored functions). Golang, Erlang/Elixir, and GHC (Haskell) are way better in that regard, though they each have their own unrelated issues. I had believed for a while that Purescript targeting the Erlang VM and with all the JS tooling extirpated might be the answer, but that was just a pipe dream and I don't know if it was really workable.
I don't know but I don't think rust has that problem. In fact I've always thought its data ownership paradigm is literally the most optimal approach to concurrency and parallelism. I really love using rayon in rust for instance.
True, but of course it's always a trade-off. At a certain point I have to defer to your judgment, at least until I've written some Rust code. But I've written a fair amount of C++ and a little bit of Ada and don't find them all that convenient compared to Python or Haskell or whatever. We'll see. ;)
IME a language is as good as its package manager and libraries, and cargo is great.