src/test/ui/async-await/mutually-recursive-async-impl-trait-type.rs

// edition:2018
// Test that impl trait does not allow creating recursive types that are
// otherwise forbidden when using `async` and `await`.

async fn rec_1() { //~ ERROR recursion in an `async fn`
    rec_2().await;
}

async fn rec_2() { //~ ERROR recursion in an `async fn`
    rec_1().await;
}

fn main() {}