| error: constant of non-structural type `&[O<B>]` in a pattern | |
| --> $DIR/issue-65466.rs:14:9 | |
| | | |
| LL | struct B; | |
| | -------- must be annotated with `#[derive(PartialEq)]` to be usable in patterns | |
| LL | | |
| LL | const C: &[O<B>] = &[O::None]; | |
| | ---------------- constant defined here | |
| ... | |
| LL | C => (), | |
| | ^ constant of non-structural type | |
| | | |
| = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details | |
| error: aborting due to 1 previous error | |