| #![feature(unsized_tuple_coercion)] | |
| use std::collections::HashSet; | |
| fn main() { | |
| let x : &(i32, i32, [i32]) = &(0, 1, [2, 3]); | |
| let y : &(i32, i32, [i32]) = &(0, 1, [2, 3, 4]); | |
| let mut a = [y, x]; | |
| a.sort(); | |
| assert_eq!(a, [x, y]); | |
| assert_eq!(&format!("{:?}", a), "[(0, 1, [2, 3]), (0, 1, [2, 3, 4])]"); | |
| let mut h = HashSet::new(); | |
| h.insert(x); | |
| h.insert(y); | |
| assert!(h.contains(x)); | |
| assert!(h.contains(y)); | |
| } |