this post was submitted on 18 Jul 2023
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Designing error types in Rust (mmapped.blog)
submitted 1 year ago by cbarrick@lemmy.world to c/rust@programming.dev
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[–] o11c@programming.dev 1 points 1 year ago

One problem is that Rust doesn't support tagged unions. enum is regrettably solving a different problem, but since it's the only hammer we have, it's abused for this kind of thing. This often leads to having to write match error ... unreachable.