| error[E0573]: expected type, found built-in attribute `feature` |
| --> $DIR/issue-78654.rs:9:15 |
| | |
| LL | impl<const H: feature> Foo { |
| | ^^^^^^^ not a type |
| |
| error[E0207]: the const parameter `H` is not constrained by the impl trait, self type, or predicates |
| --> $DIR/issue-78654.rs:9:6 |
| | |
| LL | impl<const H: feature> Foo { |
| | ^^^^^^^^^^^^^^^^ unconstrained const parameter |
| | |
| = note: expressions using a const parameter must map each value to a distinct output value |
| = note: proving the result of expressions other than the parameter are unique is not supported |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0207, E0573. |
| For more information about an error, try `rustc --explain E0207`. |
