this post was submitted on 25 Aug 2023
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I’m surprised no one has mentioned golang. We have the usual dichotomy of java and rust but there’s a very very good option for those who are worried about rust adoption.
I vastly prefer writing rust code but go on its own gets you very very similar performance at the cost of developer experience. I think sum types are the #1 requested feature so once that comes I’ll be a much happier boy.
I think Golang had the potential to take over just because it's so easy to pick up and start contributing.
My last position was Golang focused and our hiring was never focused on experience with the language because we knew that if you understood programming concepts you would succeed in Golang.
Today, I'm working on Rust and while I enjoy it for what I'm using it for (Systems level instead of Web Services) I'd be hesitant to suggest it for most backend application just due to the ramp up time for new developers.
tl;Dr Golang will have an easier time hiring for because no language specific experience is required.
I would probably suggest Rust for that exact reason, you'll have to fight the language a little bit at the beginning (at least if you'll have a very "interior mutable" experience instead of a functional background), but it teaches you how to write your code in a nicely relatively uniform compositional safe style, that IMHO can be read quite well between different people (team) and I think is easier to review (as long as it's not some super magic trait-heavy/proc-macro code of course, but I think for actual applications (vs libraries) that part will be rather low)
Also I think nowadays the barrier into the language is much lower than it was a few years ago. The tooling, specifically rust-analyzer (and probably Intellij Rust too, never tried it though) and the compiler itself got really good in the meantime (I actually think Rust-analyzer is by now the best LSP for any language I know of), so that getting into Rust is likely not that hard anymore (you'll have to learn/understand a few concepts though, like heap/stack and the lifetime system, but I think that it's not that hard to learn).
Go just often feels very hacky to write with a lot of quirky things like handling errors, and a lot of missing features like pattern matching or a relatively good type system, I don't think it really promotes that nice architectures (or limits the programmer kinda).
Yeah it’s pretty crazy how fast you can get going in go. As long as you are aware of a pointer you are mostly good to go.
Just wish it felt better 😫
What is it about go that doesn't feel good? I have this feeling myself.
I didn't enjoy parsing JSON with Go, and I the documentation sucked. But it was really really easy to stand up a simple API endpoint. I would have reached for go for the project I am currently working on, but it didn't have the libraries I needed. It's interesting.
It’s the usual if err != nil return err critique.
If you could yoink the question mark operator from rust AND support sum types that would be the dream.
The marshaling isn’t too bad unless you need to do more specific things. I vastly prefer how rust’s serde does it but that language is the forbidden fruit
I'm on the boat that rust is a bit more cumbersome to write that Java/C#. I work in .Net and I really want to give Kotlin a go now.
I guess I'll just have to wait for MS to add the current trendy feature to C# again for the sum types though lol.
I actually think java is more cumbersome to write, Rust is definitely higher cognitive load though (get the typing right, fight the borrow-checker etc.).
With cumbersome I mean, that the language limits yourself with a relatively bad type system (compared to Rusts) and often results in a lot of boilerplate and IMHO generally promotes the wrong patterns (I think https://github.com/EnterpriseQualityCoding/FizzBuzzEnterpriseEdition brings this on point in a comical way). But I'm biased, I much prefer functional programming vs object oriented programming...
I remember reading the Hello World edition of that one. I haven't gone through a big project and a couple of small ones with rust so I'll have to stop talking hahaha.
But yeah writing inheritance heavy code in Java is the absolute worst and not everything needs an interface and not everything has to use the strategy pattern for a single use case. Java promotes overkill dependency spaghetti so I get that, however interfaces work the same as Rust traits and can be used in the exact same way with POJOs so I'm on the fence.
I'll have to wait and see which one I'll like more I guess.
Well just program a little bit more Rust, at some point you don't want to look back haha. It's almost like a curse for me, I can't really enjoy programming in another language anymore (ok not completely true, but at least the major languages I had to use before like C# or Typescript etc. feel dirty and limiting now ^^). I would enjoy something like Haskell with better tooling anonymous sets, less laziness and a slightly more opinionated syntax though (having all kinds of weird operators sometimes looks a little bit brainfuck). Sometimes Rust is a little bit boiler-platy and gets complex when you're overusing fancy trait-based generic code (but it's kinda fun, you can do a lot of fancy stuff with traits), and often the type system is limited compared to Haskells, if you're approaching higher-kinded types territory...
I have not done much GoLang development, but I am working on automating some dependency updates for our kubernetes operator. The language may be good, but the ecosystem still feels immature.
Too many key libraries are on version 0.X with an unstable API. Yes, semantic versioning does say that you can have breaking changes in minor (and patch) releases as long as the major version is still 0, but that should be for pre-release libraries, not libraries ment for production use.
Sounds like my rust experience but then again it'd be non-existing for some of them.