use smol::{io, prelude::*, Async, Unblock};
use std::net::{TcpStream, ToSocketAddrs};
fn main() -> io::Result<()> {
smol::block_on(async {
let mut addrs = smol::unblock(move || ("example.com", 80).to_socket_addrs()).await?;
let addr = addrs.next().unwrap();
let mut stream = Async::<TcpStream>::connect(addr).await?;
let req = b"GET / HTTP/1.1\r\nHost: example.com\r\nConnection: close\r\n\r\n";
stream.write_all(req).await?;
let mut stdout = Unblock::new(std::io::stdout());
io::copy(&stream, &mut stdout).await?;
Ok(())
})
}