async traits are in the process of being stabilized: https://github.com/rust-lang/rust/pull/115822 https://github.com/rust-lang/rust/pull/115822 Also, impl tra

async traits are in the process of being stabilized: https://github.com/rust-lang/rust/pull/115822 https://github.com/rust-lang/rust/pull/115822 Also, impl trait projections (ability to use Self::Foo associated types in async functions in traits): https://github.com/rust-lang/rust/pull/115659 https://github.com/rust-lang/rust/pull/115659