tests/rustdoc-ui/infinite-recursive-type-impl-trait-return.rs


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// normalize-stderr-test: "`.*`" -> "`DEF_ID`"
// normalize-stdout-test: "`.*`" -> "`DEF_ID`"
// edition:2018

pub async fn f() -> impl std::fmt::Debug {
    #[derive(Debug)]
    enum E { //~ ERROR
        This(E),
        Unit,
    }
    E::Unit
}

fn main() {}