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Diffstat (limited to 'tests/ui/specialization/specialization-polarity.stderr')
-rw-r--r-- | tests/ui/specialization/specialization-polarity.stderr | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/specialization/specialization-polarity.stderr b/tests/ui/specialization/specialization-polarity.stderr new file mode 100644 index 000000000..f287018ba --- /dev/null +++ b/tests/ui/specialization/specialization-polarity.stderr @@ -0,0 +1,29 @@ +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`. |