()
| 78 | /// results in `ABDECFGH`. |
| 79 | #[test] |
| 80 | fn iter() { |
| 81 | let report = build(); |
| 82 | |
| 83 | assert_eq!( |
| 84 | report |
| 85 | .frames() |
| 86 | .filter_map(|frame| frame.downcast_ref::<Char>().map(|ch| ch.0)) |
| 87 | .collect::<Vec<_>>(), |
| 88 | ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'] |
| 89 | ); |
| 90 | } |
| 91 | |
| 92 | #[test] |
| 93 | fn iter_mut() { |