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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
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--> $DIR/specialization-polarity.rs:5:12
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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[E0751]: found both positive and negative implementation of trait `Foo` for type `u8`:
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--> $DIR/specialization-polarity.rs:10:1
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LL | impl<T> Foo for T {}
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| ----------------- positive implementation here
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LL | impl !Foo for u8 {}
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| ^^^^^^^^^^^^^^^^ negative implementation here
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error[E0751]: found both positive and negative implementation of trait `Bar` for type `u8`:
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--> $DIR/specialization-polarity.rs:15:1
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LL | impl<T> !Bar for T {}
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| ------------------ negative implementation here
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LL | impl Bar for u8 {}
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| ^^^^^^^^^^^^^^^ positive implementation here
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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 E0751`.
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