tests/ui/type-alias-impl-trait/generic_different_defining_uses.rs


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#![feature(type_alias_impl_trait)]

fn main() {}

type MyIter<T> = impl Iterator<Item = T>;

fn my_iter<T>(t: T) -> MyIter<T> {
    std::iter::once(t)
}

fn my_iter2<T>(t: T) -> MyIter<T> {
    Some(t).into_iter()
    //~^ ERROR concrete type differs from previous
}