mirror of https://github.com/rust-lang/rust
30 lines
1.2 KiB
Plaintext
30 lines
1.2 KiB
Plaintext
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
|
|
--> $DIR/specialization-polarity.rs:5:12
|
|
|
|
|
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[E0751]: found both positive and negative implementation of trait `Foo` for type `u8`:
|
|
--> $DIR/specialization-polarity.rs:10:1
|
|
|
|
|
LL | impl<T> Foo for T {}
|
|
| ----------------- positive implementation here
|
|
LL | impl !Foo for u8 {}
|
|
| ^^^^^^^^^^^^^^^^ negative implementation here
|
|
|
|
error[E0751]: found both positive and negative implementation of trait `Bar` for type `u8`:
|
|
--> $DIR/specialization-polarity.rs:15:1
|
|
|
|
|
LL | impl<T> !Bar for T {}
|
|
| ------------------ negative implementation here
|
|
LL | impl Bar for u8 {}
|
|
| ^^^^^^^^^^^^^^^ positive implementation here
|
|
|
|
error: aborting due to 2 previous errors; 1 warning emitted
|
|
|
|
For more information about this error, try `rustc --explain E0751`.
|