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that just makes the panics unrecoverable. It doesn't statically guarantee no panics.

It presumably avoids the linked in 300Kb that was supposedly part of the motivation for doing this though?

There is no-panic [1] to turn panics in a function into compile errors, or the older no-panics-whatsoever [2] to do the same for the entire binary

1: https://crates.io/crates/no-panic

2: https://crates.io/crates/no-panics-whatsoever

no-panic uses link-time shenanigans to prevent panics in the compiled binary, but this isn't 100% reliable (as explained in the README, just pointing this out)

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