File: in-assoc-ty-early-bound.rs

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rustc 1.87.0%2Bdfsg1-1
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#![feature(impl_trait_in_assoc_type)]

trait Foo {
    type Assoc<'a, 'b>;
    fn bar<'a: 'a, 'b: 'b>(_: &'a ()) -> Self::Assoc<'a, 'b>;
}

impl Foo for () {
    type Assoc<'a, 'b> = impl Sized;
    fn bar<'a: 'a, 'b: 'b>(x: &'a ()) -> Self::Assoc<'a, 'b> {
        let closure = |x: &'a ()| -> Self::Assoc<'b, 'a> { x };
        //~^ ERROR `<() as Foo>::Assoc<'b, 'a>` captures lifetime that does not appear in bounds
        x
    }
}

fn main() {}