| error: to use a constant of type `TypeId` in a pattern, `TypeId` must be annotated with `#[derive(PartialEq)]` | |
| --> $DIR/typeid-equality-by-subtyping.rs:18:9 | |
| | | |
| LL | WHAT_A_TYPE => 0, | |
| | ^^^^^^^^^^^ | |
| | | |
| = note: the traits must be derived, manual `impl`s are not sufficient | |
| = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details | |
| error: aborting due to 1 previous error | |