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16 lines
300 B
Rust
16 lines
300 B
Rust
//@ edition:2021
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#![allow(bare_trait_objects)]
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trait A: Sized {
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fn f(a: dyn A) -> dyn A;
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//~^ ERROR the trait `A` is not dyn compatible
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}
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trait B {
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fn f(a: dyn B) -> dyn B;
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//~^ ERROR the trait `B` is not dyn compatible
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}
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trait C {
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fn f(&self, a: dyn C) -> dyn C;
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}
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fn main() {}
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