How Async Functions in Traits could Work in RustcOne of the major goals for the Rust Async Working Group is to allow async fn everywhere fn is allowed, especially in traits. In this post, I'd like to distill some of the proposed designs and show how async functions in traits could be implemented. We'll look at one possible way this could work, although I'd like to emphasize that this is not the only way, and many details of the design that we'll
