error | 96 | fn add_title_line(result: &mut Vec<String>, main_annotation: Option<&Annotation>) { 97 | if let Some(annotation) = main_annotation { | ^^^^^^^^^^ Variable defined here 98 | result.push(format_title_line( 99 | &annotation.annotation_type, | ^^^^^^^^^^ Referenced here 100 | None, 101 | &annotation.label, | ^^^^^^^^^^ Referenced again here 102 | )); 103 | } 104 | } |