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link to never type fallback lint as deny by default #377

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Merged
merged 2 commits into from
Oct 1, 2025
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link to never type fallback lint as deny by default #377

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4aa1ede
link to never type fallback lint as deny by default
WaffleLapkin Sep 4, 2025
28f2456
comment out link to never type fallback lint to allow level change
Oct 1, 2025
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6 changes: 3 additions & 3 deletions src/rust-2024/never-type-fallback.md
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## Summary

- Never type (`!`) to any type ("never-to-any") coercions fall back to never type (`!`) rather than to unit type (`()`).
- The [`never_type_fallback_flowing_into_unsafe`] lint is now `deny` by default.
- The `never_type_fallback_flowing_into_unsafe` lint is now `deny` by default.

[`never_type_fallback_flowing_into_unsafe`]: ../../rustc/lints/listing/warn-by-default.html#never-type-fallback-flowing-into-unsafe
<!-- [`never_type_fallback_flowing_into_unsafe`]: ../../rustc/lints/listing/error-by-default.html#never-type-fallback-flowing-into-unsafe -->

## Details

Expand Down Expand Up @@ -57,7 +57,7 @@ In some cases your code might depend on the fallback type being `()`, so this ca

### `never_type_fallback_flowing_into_unsafe`

The default level of the [`never_type_fallback_flowing_into_unsafe`] lint has been raised from `warn` to `deny` in the 2024 Edition. This lint helps detect a particular interaction with the fallback to `!` and `unsafe` code which may lead to undefined behavior. See the link for a complete description.
The default level of the `never_type_fallback_flowing_into_unsafe` lint has been raised from `warn` to `deny` in the 2024 Edition. This lint helps detect a particular interaction with the fallback to `!` and `unsafe` code which may lead to undefined behavior. See the link for a complete description.

## Migration

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