tests/ui/impl-trait/mapping-duplicated-lifetimes-issue-114597.rs

//@ check-pass
// issue: 114597
//@ edition: 2021

struct A<'a> {
    dat: &'a (),
}

impl<'a> A<'a> {
    async fn a(&self) -> impl Iterator<Item = std::iter::Repeat<()>> {
        std::iter::repeat(()).map(|()| std::iter::repeat(()))
    }
}

fn main() {}