// edition:2021 // run-rustfix #![feature(async_fn_in_trait, return_position_impl_trait_in_trait)] trait Trait { async fn foo(); async fn bar() -> i32; fn test(&self) -> impl Sized + '_; async fn baz(&self) -> &i32; } struct S; impl Trait for S {async fn baz(&self) -> &i32 { todo!() } fn test(&self) -> impl Sized + '_ { todo!() } async fn bar() -> i32 { todo!() } async fn foo() { todo!() } } //~^ ERROR not all trait items implemented fn main() {}