// [next] compile-flags: -Zlower-impl-trait-in-trait-to-assoc-ty // revisions: current next #![feature(return_position_impl_trait_in_trait)] trait MyTrait { fn foo(&self) -> impl Sized; fn bar(&self) -> impl Sized; } impl MyTrait for i32 { //~^ ERROR not all trait items implemented, missing: `foo` fn bar(&self) -> impl Sized { self.foo() } } fn main() {}