// check-pass // This didn't work in the previous default RPITIT method hack attempt #![feature(return_position_impl_trait_in_trait)] //~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete trait Foo { fn bar(x: bool) -> impl Sized { if x { let _: u32 = Self::bar(!x); } Default::default() } } fn main() {}