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18 lines
473 B
Rust
18 lines
473 B
Rust
// revisions: stock with_negative_coherence
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//[with_negative_coherence] check-pass
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#![feature(negative_impls)]
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#![cfg_attr(with_negative_coherence, feature(with_negative_coherence))]
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trait MyPredicate<'a> {}
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impl<'a, T> !MyPredicate<'a> for &'a T where T: 'a {}
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trait MyTrait<'a> {}
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impl<'a, T: MyPredicate<'a>> MyTrait<'a> for T {}
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impl<'a, T> MyTrait<'a> for &'a T {}
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//[stock]~^ ERROR: conflicting implementations of trait `MyTrait<'_>` for type `&_`
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fn main() {}
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