this post was submitted on 20 Feb 2025
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Rust Programming
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Weird wording!
Maybe it's just me, but this may give the impression that it's something that is strictly needed, or will provide any immediate improvement, which is not the case, unless you're still actively working on these projects and plan to use/depend on features/behaviors required by the new edition.
That's the case with every software updates. Upgrading just means that you jumped to the newer version. Like upgrading to the newest Firefox won't give everyone the same benefit instantly, but its an upgrade in version nonetheless (as an analogy to Rust version).
That's exactly the communicated meaning I was concerned an oblivious reader might get. You can use an updated Rust compiler 10 years in the future while your crate is still on 2015/2018/2021 edition. Editions are NOT software versions.
I think you misunderstand the point here. The upgrade in this case means a plus in version number, that's what is said here. I was not implying that older versions of Rust Editions get obsolete.
Yeah, fair enough. I was mainly curious, how much would break, as in how quickly I might expect the Rust ecosystem to adopt these new features. Well, and unless there's a reason against it, I'd prefer having everything on the same edition, i.e. the newest edition.
This again points to you maybe not understanding how editions work, or maybe I'm just reading it wrong again. But you "upgrading" has no effect on your dependencies, and vise versa (except indirectly if MSRV is a factor as another user mentioned).
I'm just talking about things like async closures looking like they might be really useful in a frontend framework we use. And I'm wondering when that framework's documentation will recommend their usage. Or if there's fancy things they can do with the
AsyncFntraits.I will have to try out, if I can just pass an async closure without that framework changing anything. That's the kind of thing where I am still unclear, how it will affect things. But the basic premise of editions isn't lost on me, and this isn't my first edition switchover either.