mirror of https://github.com/rust-lang/rust
24 lines
441 B
Rust
24 lines
441 B
Rust
// Check that we if we get ahold of an object unsafe trait
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// object with auto traits and lifetimes, we can downcast it
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//
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//@ check-pass
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#![feature(object_safe_for_dispatch)]
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trait Trait: Sized {}
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fn downcast_auto(t: &(dyn Trait + Send)) -> &dyn Trait {
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t
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}
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fn downcast_lifetime<'a, 'b, 't>(t: &'a (dyn Trait + 't))
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-> &'b (dyn Trait + 't)
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where
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'a: 'b,
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't: 'a + 'b,
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{
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t
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}
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fn main() {}
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