| 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: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information |
| = help: consider using `min_specialization` instead, which is more stable and complete |
| = note: `#[warn(incomplete_features)]` on by default |
| |
| 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 { |
| | ------------------------------- 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 1 previous error; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0520`. |