tests/ui/impl-trait/in-trait/default-body-type-err-2.rs - toolchain/rustc - Git at Google

 //@ edition:2021

 pub trait Foo {
     async fn woopsie_async(&self) -> String {
         42
         //~^ ERROR mismatched types
     }
 }

 fn main() {}
	//@ edition:2021

	pub trait Foo {
	async fn woopsie_async(&self) -> String {
	42
	//~^ ERROR mismatched types
	}
	}

	fn main() {}