os-rust/src/test/ui/nll/issue-47388.stderr

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error[E0594]: cannot assign to `fancy_ref.num` which is behind a `&` reference
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--> $DIR/issue-47388.rs:9:5
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|
LL | let fancy_ref = &(&mut fancy);
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| ------------- help: consider changing this to be a mutable reference: `&mut (&mut fancy)`
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LL | fancy_ref.num = 6;
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| ^^^^^^^^^^^^^^^^^ `fancy_ref` is a `&` reference, so the data it refers to cannot be written
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error: aborting due to previous error