File: recursive-tait-conflicting-defn.rs

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// issue: 113596

#![feature(type_alias_impl_trait)]

trait Test {}

struct A;

impl Test for A {}

struct B<T> {
    inner: T,
}

impl<T: Test> Test for B<T> {}

mod helper {
    use super::*;
    pub type TestImpl = impl Test;

    pub fn test() -> TestImpl {
        A
    }

    fn make_option2() -> Option<TestImpl> {
        let inner = make_option().unwrap();

        Some(B { inner })
        //~^ ERROR concrete type differs from previous defining opaque type use
    }
}

fn make_option() -> Option<helper::TestImpl> {
    Some(helper::test())
}

fn main() {}