| warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/E0520.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[E0520]: `fly` specializes an item from a parent `impl`, but that item is not marked `default` |
| --> $DIR/E0520.rs:17:5 |
| | |
| LL | / impl<T: Clone> SpaceLlama for T { |
| LL | | fn fly(&self) {} |
| LL | | } |
| | |_- parent `impl` is here |
| ... |
| LL | default fn fly(&self) {} |
| | ^^^^^^^^^^^^^^^^^^^^^^^^ cannot specialize default item `fly` |
| | |
| = note: to specialize, `fly` in the parent `impl` must be marked `default` |
| |
| error: aborting due to previous error; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0520`. |
