| //@ run-pass |
| |
| fn or_at(x: Result<u32, u32>) -> u32 { |
| match x { |
| Ok(x @ 4) | Err(x @ (6 | 8)) => x, |
| Ok(x @ 1 | x @ 2) => x, |
| Err(x @ (0..=10 | 30..=40)) if x % 2 == 0 => x + 100, |
| Err(x @ 0..=40) => x + 200, |
| _ => 500, |
| } |
| } |
| |
| fn main() { |
| assert_eq!(or_at(Ok(1)), 1); |
| assert_eq!(or_at(Ok(2)), 2); |
| assert_eq!(or_at(Ok(3)), 500); |
| assert_eq!(or_at(Ok(4)), 4); |
| assert_eq!(or_at(Ok(5)), 500); |
| assert_eq!(or_at(Ok(6)), 500); |
| assert_eq!(or_at(Err(1)), 201); |
| assert_eq!(or_at(Err(2)), 102); |
| assert_eq!(or_at(Err(3)), 203); |
| assert_eq!(or_at(Err(4)), 104); |
| assert_eq!(or_at(Err(5)), 205); |
| assert_eq!(or_at(Err(6)), 6); |
| assert_eq!(or_at(Err(7)), 207); |
| assert_eq!(or_at(Err(8)), 8); |
| assert_eq!(or_at(Err(20)), 220); |
| assert_eq!(or_at(Err(34)), 134); |
| assert_eq!(or_at(Err(50)), 500); |
| } |
