3 #![feature(unsized_tuple_coercion)]
5 use std::collections::HashSet;
8 let x : &(i32, i32, [i32]) = &(0, 1, [2, 3]);
9 let y : &(i32, i32, [i32]) = &(0, 1, [2, 3, 4]);
12 assert_eq!(a, [x, y]);
14 assert_eq!(&format!("{:?}", a), "[(0, 1, [2, 3]), (0, 1, [2, 3, 4])]");
16 let mut h = HashSet::new();
19 assert!(h.contains(x));
20 assert!(h.contains(y));