| error: constant of non-structural type `MyType` in a pattern |
| --> $DIR/const-partial_eq-fallback-ice.rs:14:12 |
| | |
| LL | struct MyType; |
| | ------------- `MyType` must be annotated with `#[derive(PartialEq)]` to be usable in patterns |
| ... |
| LL | const CONSTANT: &&MyType = &&MyType; |
| | ------------------------ constant defined here |
| ... |
| LL | if let CONSTANT = &&MyType { |
| | ^^^^^^^^ constant of non-structural type |
| | |
| note: the `PartialEq` trait must be derived, manual `impl`s are not sufficient; see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details |
| --> $DIR/const-partial_eq-fallback-ice.rs:5:1 |
| | |
| LL | impl PartialEq<usize> for MyType { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
| error: aborting due to 1 previous error |
| |