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this post was submitted on 29 Aug 2024
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Rust
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I would be very surprised if they wouldn't fix all 50 filesystems.
In all projects I have worked on (which does not include the Linux kernel) submitting a merge request with changes that don't compile is an absolute no-go. What happens there is, that the CI pipeline runs, fails, and instead of a code review the person submitting the MR gets a note that their CI run failed, and they should fix it before re-opening the MR.
Right but unless the tests for all 50 filesystems are excellent (I'd be surprised; does Linux even have a CI system?) then the fact that you've broken some of them isn't going to cause a compile error. That's what the linked presentation was about! Rust encodes more semantic information into the type system so it can detect breakages at compile time. With C you're relying entirely on tests.