Function deno_unsync::split_io

pub fn split_io<S>(stream: S) -> (IOReadHalf<S>, IOWriteHalf<S>)
where
    S: AsyncRead + AsyncWrite + Unpin,

Create a ![Send] I/O split on top of a stream. The split reader and writer halves are safe to use only in a single-threaded context, and are not legal to send to another thread.