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undefined: fix typo #2285

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ehuss merged 1 commit into from
Jun 15, 2026
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undefined: fix typo #2285

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2 changes: 1 addition & 1 deletion src/behavior-considered-undefined.md
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Expand Up @@ -150,7 +150,7 @@ r[undefined.validity.wide]
* Slice (`[T]`) metadata must be a valid `usize`. Furthermore, for wide references and [`Box<T>`], slice metadata is invalid if it makes the total size of the pointed-to value bigger than `isize::MAX`.

r[undefined.validity.valid-range]
* If a type has a custom range of a valid values, then a valid value must be in that range. In the standard library, this affects [`NonNull<T>`] and [`NonZero<T>`].
* If a type has a custom range of valid values, then a valid value must be in that range. In the standard library, this affects [`NonNull<T>`] and [`NonZero<T>`].

> [!NOTE]
> `rustc` achieves this with the unstable `rustc_layout_scalar_valid_range_*` attributes.
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