1 // run-pass 2 main()3 pub fn main() { 4 let mut i: Box<_> = Box::new(1); 5 // Should be a copy 6 let mut j = i.clone(); 7 *i = 2; 8 *j = 3; 9 assert_eq!(*i, 2); 10 assert_eq!(*j, 3); 11 } 12