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When encountering `match Some(42) { Some(x) => x, None => "" };`, output ``` error[E0308]: `match` arms have incompatible types --> f53.rs:2:52 | 2 | let _ = match Some(42) { Some(x) => x, None => "" }; | -------------- - ^^ expected integer, found `&str` | | | | | this is found to be of type `{integer}` | `match` arms have incompatible types ```