1 #![feature(slice_patterns)]
6 fn match_nested_vecs<'a, T>(l1: Option<&'a [T]>, l2: Result<&'a [T], ()>) -> &'static str {
7 match (l1, l2) { //~ ERROR non-exhaustive patterns: `(Some(&[]), Err(_))` not covered
8 (Some(&[]), Ok(&[])) => "Some(empty), Ok(empty)",
9 (Some(&[_, ..]), Ok(_)) | (Some(&[_, ..]), Err(())) => "Some(non-empty), any",
10 (None, Ok(&[])) | (None, Err(())) | (None, Ok(&[_])) => "None, Ok(less than one element)",
11 (None, Ok(&[_, _, ..])) => "None, Ok(at least two elements)"
17 match x { //~ ERROR non-exhaustive patterns: `A(C)` not covered
18 T::A(U::D) => { panic!("hello"); }
19 T::B => { panic!("goodbye"); }