1#[derive(Debug)] 2struct Rectangle { 3 width: u32, 4 height: u32, 5} 6 7async fn alignof() {} 8 9fn main() { 10 let rect1 = Rectangle { width: 30, height: 50 }; 11 12 // Some comment 13 println!("rect1 is {:?}", rect1); 14 15 let r#type = "valid"; 16 let i: i128 = 1117; 17 18 let s = "March 19April"; 20 let s = r"March 21April"; 22 23}