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The existing code produces `Some(kw::Empty)` for these invalid forms: - a non-name-value, e.g. `#[rustc_allowed_through_unstable_modules]` - a non-string arg, e.g. `#[rustc_allowed_through_unstable_modules = 3]` The new code avoids the `kw::Empty` and is a little shorter. It will produce `None` in those cases, which means E0789 won't be produced if the `stable` attribute is missing for these invalid forms. This doesn't matter, because these invalid forms will trigger an "malformed `rustc_allowed_through_unstable_modules` attribute" anyway. |
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|---|---|---|
| .. | ||
| allow_unstable.rs | ||
| cfg.rs | ||
| confusables.rs | ||
| deprecation.rs | ||
| mod.rs | ||
| repr.rs | ||
| rustc.rs | ||
| stability.rs | ||
| transparency.rs | ||
| util.rs | ||