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Except it takes 10x time to write anything backend related. Why would you choose Rust over Java / C# / Go ect ...?

I don't buy this claim. I've written many services with Rust and I'm not slower with it that I am with GC'd languages I also need in my work, such as Clojure, Scala or Python.

Please explain me where is this idea of slow development time coming from? Is it only because people try Rust for two weeks, cannot get the lifetimes and decide the development speed is slow?

Except that number is completely made up. Why do believe it takes ten times as long?

What Rust framework replace Java spring or equivalent, none of them so you have to write everything yourself. Rust doesn't have any ecosystem to write service side services so you're going to spend time by just re implementing a framework.

While Rust doesn't have many full-stack frameworks, many ecosystems don't favor full-stack frameworks. Rust has tons (arguably too many!) microframeworks/libraries.

I do agree that there are holes, and that's part of being a young ecosystem, but I think you're being a bit too pessimistic. I understand this deeply, as I was once too! As things have evolved, my opinions have changed, though.

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