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23 lines
598 B
Rust
23 lines
598 B
Rust
#![feature(negative_impls)]
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#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
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struct S;
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struct Z;
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default impl S {} //~ ERROR inherent impls cannot be default
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default unsafe impl Send for S {}
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//~^ ERROR impls of auto traits cannot be default
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default impl !Send for Z {}
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//~^ ERROR impls of auto traits cannot be default
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//~| ERROR negative impls cannot be default impls
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//~| ERROR `!Send` impl requires `Z: Send` but the struct it is implemented for does not
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trait Tr {}
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default impl !Tr for S {}
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//~^ ERROR negative impls cannot be default impls
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fn main() {}
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