tests/ui/associated-types/issue-63591.rs


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// check-pass

#![feature(associated_type_bounds)]
#![feature(type_alias_impl_trait)]

fn main() {}

trait Bar { type Assoc; }

trait Thing {
    type Out;
    fn func() -> Self::Out;
}

struct AssocIsCopy;
impl Bar for AssocIsCopy { type Assoc = u8; }

impl Thing for AssocIsCopy {
    type Out = impl Bar<Assoc: Copy>;

    fn func() -> Self::Out {
        AssocIsCopy
    }
}