Trait ReadAndWrite 

trait ReadAndWrite:
    AsyncRead
    + AsyncWrite
    + StreamOps
    + Send
    + Sync { }

Helper trait to allow us to create a type-erased stream.

(Rust doesn’t allow “dyn AsyncRead + AsyncWrite”)

Implementors

impl<T> ReadAndWrite for T

where T: AsyncRead + AsyncWrite + StreamOps + Send + Sync,