use cxx::{let_cxx_string, CxxString}; #[test] fn test_async_cxx_string() { async fn f() { let_cxx_string!(s = "..."); async fn g(_: &CxxString) {} g(&s).await; } // https://github.com/dtolnay/cxx/issues/693 fn assert_send(_: impl Send) {} assert_send(f()); }