``` use std; use std::io::Write; use std::io::Result; use eventloop::; use channel::; use acceptor::*;
fn main() { Acceptor::new() .workercount(4) .bind("127.0.0.1", 12345) .handler(Box::new(|ref mut ch| { ch.write("Hello, world.\n".asbytes()); Ok(()) })) .accept(); std::thread::sleep_ms(100000); }
```