fn main() { let x = 1; let y = 2; println!("x + y = {}", x + y); } fn foo() { #![attribute] let x = 1; // comment } // comment after item // comment before item fn bar() { let x = 1; // comment after statement // comment before statement let y = 2; let z = 3; println!("x + y + z = {}", x + y + z); }