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Rust is now a government conspiracy (programming.dev)
submitted 1 year ago by to c/rust@programming.dev
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It's getting more and more unhinged on LinkedIn.

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[–] 14 points 1 year ago (1 child)

I seriously doubt changing language would impact a senior that much...

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  • [–] 19 points 1 year ago (6 children)

    Rust is one of the harder languages for beginners to learn because of its borrow checker and strict ownership model, but it shouldn't take more than a month or two for a competent senior to pick up.

    It's going to be deeply unpleasant and seem like a problem if:

    • You're writing dangerously bad C or C++ code already.
    • You've only ever used Python or JavaScript.
    • You try to shoehorn OOP and inheritance into it (Rust idioms are composition and functional programming).
    • You refuse to use/learn pattern matching.
    • You're a pedant about "pretty" syntax.

    If someone is at a senior level and any of those apply, they probably shouldn't be at a senior level, though.

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  • [–] 10 points 1 year ago*

    You’re a pedant about “pretty” syntax.

    Oh I'm definitely whinging about it but it doesn't make me stop using Rust. People coming from C or especially C++ don't really have a leg to stand on, though, neither do people coming from ML. It's Haskell people who get hit hardest.

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  • [–] 7 points 1 year ago

    Can confirm, I'm a senior and I didn't have much trouble with Rust. After a couple weeks, I was writing useful code. After a month, I generally stopped cussing at the compiler.

    I'm still finding odd surprises here and there, but it's honestly no big deal. I'm about as productive in Rust as I am in Python, which I use at my day job, though I use them for very different domains.

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  • [–] 5 points 1 year ago (1 child)

    I'm still learning Rust coming from Python and R and honestly point 2 and 3 are not even that bad. Sure I have been bashing my head against some corners, and the lack of OOP was somewhat unexpected, but imho the language really helps you think about what you are doing.

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  • [–] 3 points 1 year ago (1 child)

    the lack of OOP

    Rust absolutely has OOP, that's what Traits are for. It just doesn't have classical inheritance, so you structure your patterns a bit differently.

    That said, I lean more into functional-inspired style anyway, which tends to work pretty well w/ Rust.

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  • [–] 1 point 1 year ago* (1 child)

    traits aren't oop. they're closer to haskell's typeclasses than anything else

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  • [–] 1 point 1 year ago (1 child)

    At its core, OOP is just commingling data and operations, whereas FP is separating data from operations on data. I'm not an expert at Haskell (I cut my FP teeth on Lisp), but that's essentially what typeclasses look like to me.

    The Rust book has a section on OOP, and the main thing to remember is that Rust solves OOP through composition instead of inheritance. Rust doesn't have inheritance in any meaningful way, but it can solve problems in a similar way as classical OOP.

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  • [–] 1 point 1 year ago* (1 child)

    i would strongly disagree with that characterization of both fp and oo. classifying rust as oo weakens it imo, and the fact that you can easily solve all the problems oo solves in rust, as your linked document shows, is not proof rust is oo, but rather that oo is unnecessary to solve those problems

    object orientation is classes done wrong. typeclasses (and traits) are classes done right

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  • [–] 1 point 1 year ago

    Then how would you define OOP and FP?

    Wikipedia claims it supports OOP:

    Rust does not enforce a programming paradigm, but was influenced by ideas from functional programming, including immutability, higher-order functions, algebraic data types, and pattern matching. It also supports object-oriented programming via structs, enums, traits, and methods.

    I wouldn't say Rust is an OOP language though, because that absolutely gives the wrong impression since that evokes ideas of classical inheritance as in C++ or Java. But I do very much believe it supports object oriented programming as a paradigm, since you can model things with objects at the core.

    That said, I think Rust is best used with less emphasis on OOP, since it's pretty easy to get into trouble modeling things that way when it comes to lifetimes. I use OOP-style in Rust when it makes sense, and the rest is as close to functional as I can get it.

    object orientation is classes done wrong

    I think classical inheritance is object oriented programming done wrong. Go had the start of a good idea with composition and interfaces, and I think Rust's traits + generics improved on it.

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