rust/tests/ui/impl-trait/in-trait/variances-of-gat.rs

// check-pass


trait Foo {}

impl Foo for () {}

trait ThreeCellFragment {
    fn ext_cells<'a>(&'a self) -> impl Foo + 'a {
        self.ext_adjacent_cells()
    }

    fn ext_adjacent_cells<'a>(&'a self) -> impl Foo + 'a;
}

fn main() {}