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22 lines
529 B
Rust
22 lines
529 B
Rust
// compile-flags:-Ztranslate-lang=en_US
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#![feature(negative_impls)]
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#![feature(marker_trait_attr)]
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#[marker]
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trait MyTrait {}
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struct TestType<T>(::std::marker::PhantomData<T>);
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unsafe impl<T: MyTrait + 'static> Send for TestType<T> {}
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impl<T: MyTrait> !Send for TestType<T> {} //~ ERROR found both positive and negative implementation
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unsafe impl<T: 'static> Send for TestType<T> {} //~ ERROR conflicting implementations
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impl !Send for TestType<i32> {}
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//~^ WARNING
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//~| WARNING this will change its meaning
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fn main() {}
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