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A custom error message for lending iterators

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Michael Baikov 2024-05-22 09:26:02 -04:00
parent 464987730a
commit d6e4fe569c
5 changed files with 74 additions and 5 deletions
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4
compiler/rustc_resolve/messages.ftl
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@ -234,6 +234,10 @@ resolve_items_in_traits_are_not_importable =
resolve_label_with_similar_name_reachable =
a label with a similar name is reachable
resolve_lending_iterator_report_error =
associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type.
.note = you can't create an `Iterator` that borrows each `Item` from itself, but you can instead create a new type that borrows your existing type and implement `Iterator` for that new type.
resolve_lifetime_param_in_enum_discriminant =
lifetime parameters may not be used in enum discriminant values