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Implement initial IMPL_TRAIT_OVERCAPTURES lint

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Michael Goulet 2024-04-18 21:13:35 -04:00
parent 9105c57b7f
commit d57e57ca1f
3 changed files with 246 additions and 0 deletions
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7
compiler/rustc_lint/messages.ftl
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@ -9,6 +9,13 @@ lint_array_into_iter =
.use_explicit_into_iter_suggestion =
or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
lint_impl_trait_overcaptures = `{$self_ty}` will capture more lifetimes than possibly intended in edition 2024
.note = specifically, {$num_captured ->
[one] this lifetime is
*[other] these lifetimes are
} in scope but not mentioned in the type's bounds
.note2 = all lifetimes in scope will be captured by `impl Trait`s in edition 2024
lint_async_fn_in_trait = use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
.note = you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
.suggestion = you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change