tests/ui/impl-trait/in-trait/refine-normalize.rs


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//@ check-pass
//@ edition: 2021
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver

#![deny(refining_impl_trait)]

pub trait Foo {
    type Item;

    fn hello() -> impl Iterator<Item = Self::Item>;
}

impl Foo for () {
    type Item = ();

    fn hello() -> impl Iterator<Item = ()> { [()].into_iter() }
}

fn main() {}