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#![feature(impl_trait_in_assoc_type)]
mod compare_ty {
trait Trait {
type Ty: IntoIterator<Item = ()>;
}
impl Trait for () {
type Ty = Option<impl Sized>;
//~^ ERROR: unconstrained opaque type
//~| ERROR: type mismatch resolving `<Option<<() as Trait>::Ty::{opaque#0}> as IntoIterator>::Item == ()`
}
}
mod compare_method {
trait Trait {
type Ty;
fn method() -> Self::Ty;
}
impl Trait for () {
type Ty = impl Sized;
//~^ ERROR: unconstrained opaque type
fn method() -> () {}
//~^ ERROR: method `method` has an incompatible type for trait
}
}
fn main() {}
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