diff options
Diffstat (limited to 'tests/ui/unsized/unsized-tuple-impls.rs')
-rw-r--r-- | tests/ui/unsized/unsized-tuple-impls.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/unsized/unsized-tuple-impls.rs b/tests/ui/unsized/unsized-tuple-impls.rs new file mode 100644 index 000000000..5e385f33b --- /dev/null +++ b/tests/ui/unsized/unsized-tuple-impls.rs @@ -0,0 +1,21 @@ +// run-pass + +#![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)); +} |