24 lines
817 B
Rust
24 lines
817 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: A) -> A;
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//~^ ERROR trait objects must include the `dyn` keyword
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//~| ERROR trait objects must include the `dyn` keyword
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//~| ERROR associated item referring to unboxed trait object for its own trait
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//~| ERROR the trait `A` cannot be made into an object
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}
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trait B {
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fn f(a: B) -> B;
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//~^ ERROR trait objects must include the `dyn` keyword
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//~| ERROR trait objects must include the `dyn` keyword
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//~| ERROR associated item referring to unboxed trait object for its own trait
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//~| ERROR the trait `B` cannot be made into an object
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}
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trait C {
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fn f(&self, a: C) -> C;
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//~^ ERROR trait objects must include the `dyn` keyword
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//~| ERROR trait objects must include the `dyn` keyword
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}
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fn main() {}
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