32 lines
1.3 KiB
Plaintext
32 lines
1.3 KiB
Plaintext
warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
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--> $DIR/specialization-transmute.rs:3:12
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LL | #![feature(specialization)]
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| ^^^^^^^^^^^^^^
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= note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
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= help: consider using `min_specialization` instead, which is more stable and complete
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= note: `#[warn(incomplete_features)]` on by default
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error[E0284]: type annotations needed: cannot satisfy `T <: <T as Default>::Id`
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--> $DIR/specialization-transmute.rs:16:9
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LL | self
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| ^^^^ cannot satisfy `T <: <T as Default>::Id`
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error[E0284]: type annotations needed: cannot satisfy `<u8 as Default>::Id == Option<NonZeroU8>`
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--> $DIR/specialization-transmute.rs:27:13
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LL | let s = transmute::<u8, Option<NonZeroU8>>(0);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `<u8 as Default>::Id == Option<NonZeroU8>`
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note: required by a bound in `transmute`
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--> $DIR/specialization-transmute.rs:21:25
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LL | fn transmute<T: Default<Id = U>, U: Copy>(t: T) -> U {
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| ^^^^^^ required by this bound in `transmute`
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error: aborting due to 2 previous errors; 1 warning emitted
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For more information about this error, try `rustc --explain E0284`.
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