use struct_ext::IterateFields; #[derive(IterateFields)] struct MyStruct { a: i32, b: String, c: f64, } fn main() { let my_instance = MyStruct { a: 42, b: "Hello, World!".to_string(), c: 3.14, }; for (field_name, field_value) in my_instance.iterate_fields() { println!("Field {}: {:?}", field_name, field_value); } }