15 lines
295 B
Rust
15 lines
295 B
Rust
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#![feature(negative_impls)]
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#![feature(with_negative_coherence)]
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struct Wrap<T>(T);
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trait Foo {}
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impl<T: 'static> !Foo for Box<T> {}
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trait Bar {}
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impl<T> Bar for T where T: Foo {}
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impl<T> Bar for Box<T> {}
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//~^ ERROR conflicting implementations of trait `Bar` for type `Box<_>`
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fn main() {}
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