surf

>It does implement AsyncRead and Write, because anything with `Read` and `Write` implements it: https://docs.rs/async-std/0.99.3/async_std/io/trait.Read.htm... (that's sadly a little backwards by rustdoc) >impl<T: AsyncRead + Unpin + ?Sized> Read for T { That's saying that anything that impls futures::AsyncRead impls async_std::io::Read. async_std::net::TcpListener does not impl AsyncRead. (Compare with TcpStream and File which do.) >Hyper can best be used with `async_std` through `surf`: https://github.com/rustasync/surf Sure. You also don't need surf since you can directly use futures's compat executor wrapper around tokio's. The point is that you can't use stuff like hyper without the tokio executor being involved.

> async-std has the equivalent of std::net::TcpListener, however it does not appear to actually impl AsyncRead / AsyncWrite. So as of now you can't do anything with it. TcpStream does impl them, at least. It does implement AsyncRead and Write, because anything with `Read` and `Write` implements it: https://docs.rs/async-std/0.99.3/async_std/io/trait.Read.htm... (that's sadly a little backwards by rustdoc) The problem is that tokio has their _own_ versions of the AsyncRead and Write traits. Hyper can best be used with `async_std` through `surf`: https://github.com/rustasync/surf