| #![feature(slice_patterns)] |
| |
| fn a<'a>() -> &'a [isize] { |
| let vec = vec![1, 2, 3, 4]; |
| let vec: &[isize] = &vec; |
| let tail = match vec { |
| &[_, ref tail @ ..] => tail, |
| _ => panic!("a") |
| }; |
| tail //~ ERROR cannot return value referencing local variable `vec` |
| } |
| |
| fn b<'a>() -> &'a [isize] { |
| let vec = vec![1, 2, 3, 4]; |
| let vec: &[isize] = &vec; |
| let init = match vec { |
| &[ref init @ .., _] => init, |
| _ => panic!("b") |
| }; |
| init //~ ERROR cannot return value referencing local variable `vec` |
| } |
| |
| fn c<'a>() -> &'a [isize] { |
| let vec = vec![1, 2, 3, 4]; |
| let vec: &[isize] = &vec; |
| let slice = match vec { |
| &[_, ref slice @ .., _] => slice, |
| _ => panic!("c") |
| }; |
| slice //~ ERROR cannot return value referencing local variable `vec` |
| } |
| |
| fn main() {} |