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When encountering <&T as Clone>::clone(x) because T: Clone, suggest #[derive(Clone)]

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CC #40699.
This commit is contained in:
Esteban Küber 2024-02-22 18:01:12 +00:00
parent 2dc0170233
commit 6017de46f7
6 changed files with 80 additions and 78 deletions
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compiler/rustc_lint/messages.ftl
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@ -429,6 +429,7 @@ lint_non_upper_case_global = {$sort} `{$name}` should have an upper case name
lint_noop_method_call = call to `.{$method}()` on a reference in this situation does nothing
.suggestion = remove this redundant call
.note = the type `{$orig_ty}` does not implement `{$trait_}`, so calling `{$method}` on `&{$orig_ty}` copies the reference, which does not do anything and can be removed
.derive_suggestion = if you meant to clone `{$orig_ty}`, implement `Clone` for it
lint_only_cast_u8_to_char = only `u8` can be cast into `char`
.suggestion = use a `char` literal instead