If I try to interpret the context, it could be C programmers just being negative to Rust because it is not C, that there is a conception of Rust programmers trying to enforce Rust on others, or that Rust programmers will break things.

[–] soulsource@discuss.tchncs.de 5 points 2 months ago (12 children)

Behind all the negative tone there is a valid concern though.

If you don't know Rust, and you want to change internal interfaces on the C side, then you have a problem. If you only change the C code, the Rust code will no longer build.

This now brings an interesting challenge to maintainers: How should they handle such merge requests? Should they accept breakage of the Rust code? If yes, who is then responsible for fixing it?

I personally would just decline such merge requests, but I can see how this might be perceived as a barrier - quite a big barrier if you add the learning cliff of Rust.

[–] FizzyOrange@programming.dev 14 points 2 months ago (5 children)

Ask the Rust maintainers to fix it presumably? The antagonist in the video above claimed there are 50 filesystems in Linux. Do they really fix all 50 filesystems themselves when they change the semantics of the filesystem API? I would be very surprised. I suspect what actually happens currently is either

They actually don't change the semantics very often at all. It should surely be stable by now?
They change the semantics and silently break a load of niche filesystems.

I mean, the best answer is "just learn Rust". If you are incapable of learning Rust you shouldn't be writing filesystems in C, because that is way harder. And if you don't want to learn Rust because you can't be bothered to keep up with the state of the art then you should probably find a different hobby.

These "ooo they're trying to force us to learn Rust" people are like my mum complaining you have to do everything online these days "they're going to take away our cheque books!" 🙄

[–] Flipper 3 points 2 months ago

Breaking that kind of API probably breaks users pace. Linus is very vocal about breaking userpace.

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