| warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/issue-38091.rs:1:12 |
| | |
| LL | #![feature(specialization)] |
| | ^^^^^^^^^^^^^^ |
| | |
| = note: `#[warn(incomplete_features)]` on by default |
| = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information |
| |
| error[E0277]: the trait bound `(): Valid` is not satisfied |
| --> $DIR/issue-38091.rs:9:5 |
| | |
| LL | type Ty: Valid; |
| | --------------- required by `Iterate::Ty` |
| ... |
| LL | default type Ty = (); |
| | ^^^^^^^^^^^^^^^^^^^^^ the trait `Valid` is not implemented for `()` |
| |
| error: aborting due to previous error; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0277`. |
