| error: generic parameters may not be used in const operations |
| --> $DIR/issue-68366.rs:12:37 |
| | |
| LL | impl <const N: usize> Collatz<{Some(N)}> {} |
| | ^ cannot perform const operation using `N` |
| | |
| = help: const parameters may only be used as standalone arguments, i.e. `N` |
| |
| error[E0207]: the const parameter `N` is not constrained by the impl trait, self type, or predicates |
| --> $DIR/issue-68366.rs:12:13 |
| | |
| LL | impl <const N: usize> Collatz<{Some(N)}> {} |
| | ^ 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[E0207]: the const parameter `N` is not constrained by the impl trait, self type, or predicates |
| --> $DIR/issue-68366.rs:18:12 |
| | |
| LL | impl<const N: usize> 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 3 previous errors |
| |
| For more information about this error, try `rustc --explain E0207`. |
