Hey all! Read a lot of good things about Rust and I was getting pretty bored and often annoyed with building new FastAPI apps. I'm just getting started, from my research Poem seems to be doing the same thing as FastAPI kinda and I'm using SeaORM for the DB.

So far I'm loving it, Cargo.toml looks a lot like Poetry in Python but in VSCode it magically shows me the latest versions of all dependencies. Debugging is really nice because I can just copy & paste compiler messages into an LLM or Google them. It was a bit of a hassle to get all dependencies to work together and to get the thing to compile at first but now it works and I'm happy.

That being said is there anything else I need to know? I still have a very limited understanding of the whole ownership thing but e.g. I understand the benefits of passing variables instead of copying them so I guess that's a start?

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[–] FizzyOrange 3 points 2 weeks ago (1 children)

Rust async has quite a lot of footguns that other async runtimes don't have. There are some listed here:

Honestly if you're using an async Rust web framework (which they pretty much all are) it may be the path of least resistance to still use async. But in general I would strongly prefer scoped threads, channels, rayon etc.

many simultaneous requests

Unlikely to be so many that threads would be an issue.

[–] echodrift 2 points 2 weeks ago

Thanks! This is something I had no idea could be an issue. I just started standing up all the dummy functions for the different layers so I’ll take a step back now and review the resources you pointed me at. Also, in the Poem docs I don’t see them using async functions either. I’m very glad I asked.