rust/tests/ui/traits/next-solver/specialization-transmute.stderr

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warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/specialization-transmute.rs:4:12
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|
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: cannot normalize `<T as Default>::Id: '_`
error[E0284]: type annotations needed: cannot satisfy `<T as Default>::Id == _`
--> $DIR/specialization-transmute.rs:16:23
|
LL | fn intu(&self) -> &Self::Id {
| ^^^^^^^^^ cannot satisfy `<T as Default>::Id == _`
error[E0284]: type annotations needed: cannot satisfy `T <: <T as Default>::Id`
--> $DIR/specialization-transmute.rs:18:9
|
LL | self
| ^^^^ cannot satisfy `T <: <T as Default>::Id`
error[E0284]: type annotations needed: cannot satisfy `<u8 as Default>::Id == Option<NonZero<u8>>`
--> $DIR/specialization-transmute.rs:28:13
|
LL | let s = transmute::<u8, Option<NonZeroU8>>(0);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `<u8 as Default>::Id == Option<NonZero<u8>>`
|
note: required by a bound in `transmute`
--> $DIR/specialization-transmute.rs:22:25
|
LL | fn transmute<T: Default<Id = U>, U: Copy>(t: T) -> U {
| ^^^^^^ required by this bound in `transmute`
error[E0282]: type annotations needed
--> $DIR/specialization-transmute.rs:14:23
|
LL | default type Id = T;
| ^ cannot infer type for associated type `<T as Default>::Id`
error: aborting due to 5 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0282, E0284.
For more information about an error, try `rustc --explain E0282`.