Suggest coercion of `Result` using `?`

[rust.git] / tests / ui / impl-trait / issue-99642-2.rs

// check-pass

#![feature(type_alias_impl_trait)]
type Opq = impl Sized;
fn test() -> impl Iterator<Item = Opq> {
    Box::new(0..) as Box<dyn Iterator<Item = _>>
}
fn main(){}