| static x: impl Fn(&str) -> Result<&str, ()> = move |source| { | |
| //~^ `impl Trait` only allowed in function and inherent method argument and return types | |
| let res = (move |source| Ok(source))(source); | |
| let res = res.or((move |source| Ok(source))(source)); | |
| res | |
| }; | |
| fn main() {} |