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Github Implement Rust 2021 panic by m-ou-se · Pull Request #80851 · rust-lang/ru...

 3 years ago
source link: https://github.com/rust-lang/rust/pull/80851
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m-ou-se commented on Jan 10 •

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This implements the Rust 2021 versions of panic!(). See #80162 and rust-lang/rfcs#3007.

It does so by replacing {std, core}::panic!() by a bulitin macro that expands to either $crate::panic::panic_2015!(..) or $crate::panic::panic_2021!(..) depending on the edition of the caller.

This does not yet make std's panic an alias for core's panic on Rust 2021 as the RFC proposes. That will be a separate change: c5273bd That change is blocked on figuring out what to do with #80846 first.


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