rust/tests/ui/specialization/specialization-overlap-projection.next.stderr
2024-04-30 20:03:33 +00:00

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warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/specialization-overlap-projection.rs:10:12
|
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[E0119]: conflicting implementations of trait `Foo` for type `u32`
--> $DIR/specialization-overlap-projection.rs:28:1
|
LL | impl Foo for u32 {}
| ---------------- first implementation here
LL | impl Foo for <u8 as Assoc>::Output {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32`
error[E0119]: conflicting implementations of trait `Foo` for type `u32`
--> $DIR/specialization-overlap-projection.rs:30:1
|
LL | impl Foo for u32 {}
| ---------------- first implementation here
...
LL | impl Foo for <u16 as Assoc>::Output {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32`
error[E0282]: type annotations needed
--> $DIR/specialization-overlap-projection.rs:17:27
|
LL | default type Output = bool;
| ^^^^ cannot infer type for associated type `<T as Assoc>::Output`
error[E0282]: type annotations needed
--> $DIR/specialization-overlap-projection.rs:21:35
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LL | impl Assoc for u8 { type Output = u8; }
| ^^ cannot infer type for associated type `<u8 as Assoc>::Output`
error[E0282]: type annotations needed
--> $DIR/specialization-overlap-projection.rs:23:36
|
LL | impl Assoc for u16 { type Output = u16; }
| ^^^ cannot infer type for associated type `<u16 as Assoc>::Output`
error: aborting due to 5 previous errors; 1 warning emitted
Some errors have detailed explanations: E0119, E0282.
For more information about an error, try `rustc --explain E0119`.