diff options
Diffstat (limited to 'tests/ui/array-slice-vec/vec-tail-matching.rs')
-rw-r--r-- | tests/ui/array-slice-vec/vec-tail-matching.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/array-slice-vec/vec-tail-matching.rs b/tests/ui/array-slice-vec/vec-tail-matching.rs new file mode 100644 index 000000000..5f1699227 --- /dev/null +++ b/tests/ui/array-slice-vec/vec-tail-matching.rs @@ -0,0 +1,34 @@ +// run-pass + +struct Foo { + string: &'static str +} + +pub fn main() { + let x = [ + Foo { string: "foo" }, + Foo { string: "bar" }, + Foo { string: "baz" } + ]; + match x { + [ref first, ref tail @ ..] => { + assert_eq!(first.string, "foo"); + assert_eq!(tail.len(), 2); + assert_eq!(tail[0].string, "bar"); + assert_eq!(tail[1].string, "baz"); + + match *(tail as &[_]) { + [Foo { .. }, _, Foo { .. }, ref _tail @ ..] => { + unreachable!(); + } + [Foo { string: ref a }, Foo { string: ref b }] => { + assert_eq!("bar", &a[0..a.len()]); + assert_eq!("baz", &b[0..b.len()]); + } + _ => { + unreachable!(); + } + } + } + } +} |