18 lines
587 B
Rust
18 lines
587 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 {} //~ ERROR impls of auto traits cannot be default
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//~^ ERROR `S` cannot be sent between threads safely
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default impl !Send for Z {} //~ ERROR impls of auto traits cannot be default
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//~^ ERROR negative impls cannot be default impls
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trait Tr {}
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default impl !Tr for S {} //~ ERROR negative impls cannot be default impls
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fn main() {}
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