17 lines
287 B
Rust
17 lines
287 B
Rust
// Make sure specialization cannot change impl polarity
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#![feature(optin_builtin_traits)]
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#![feature(specialization)]
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auto trait Foo {}
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impl<T> Foo for T {}
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impl !Foo for u8 {} //~ ERROR E0748
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auto trait Bar {}
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impl<T> !Bar for T {}
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impl Bar for u8 {} //~ ERROR E0748
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fn main() {}
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