demo
use tokio::net::TcpStream;
use std::error::Error;
#[tokio::main]
pub async fn main() -> Result<(), Box<dyn Error>> {
// Open a TCP stream to the socket address.
//
// Note that this is the Tokio TcpStream, which is fully async.
let mut stream = TcpStream::connect("127.0.0.1:6142").await?;
println!("created stream");
Ok(())
}