When an impl references an unknown trait, mention what the trait is called in the error message. #7510
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the trait is called in the error message.
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Approved, but a test case for this would be good to add too! |
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…cwalton This a followup to #7510. @catamorphism requested a test - so I have created one, but in doing so I noticed some inconsistency in the error messages resulting from referencing nonexistent traits, so I changed the messages to be more consistent.
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Fix `while_let_on_iterator` - rust-lang#7510 fixes: rust-lang#7510 changelog: Suggest re-borrowing mutable references in `while_let_on_iterator`
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