19 lines
398 B
Rust
19 lines
398 B
Rust
#![deny(deref_into_dyn_supertrait)]
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use std::ops::Deref;
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trait Bar<'a> {}
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trait Foo<'a>: Bar<'a> {}
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impl<'a> Deref for dyn Foo<'a> {
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//~^ ERROR this `Deref` implementation is covered by an implicit supertrait coercion
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//~| WARN this will change its meaning in a future release!
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type Target = dyn Bar<'a>;
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fn deref(&self) -> &Self::Target {
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todo!()
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}
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}
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fn main() {}
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