error: expected identifier, found keyword `return` --> $DIR/issue-15980.rs:8:13 | LL | Err(ref e) if e.kind == io::EndOfFile { | ------------- while parsing this struct LL | LL | return | ^^^^^^ expected identifier, found keyword | help: escape `return` to use it as an identifier | LL | r#return | ++ error: expected one of `.`, `=>`, `?`, or an operator, found reserved identifier `_` --> $DIR/issue-15980.rs:13:9 | LL | } | - expected one of `.`, `=>`, `?`, or an operator LL | LL | _ => {} | ^ unexpected token error: aborting due to 2 previous errors