Code shared from the Rust Playground

playground.rs

use std::thread;
use std::sync::mpsc;
use std::time;

fn main() {
    let (tx, rx) = mpsc::channel();

    thread::spawn(move || {
        let val = String::from("hi");
        thread::sleep(time::Duration::from_millis(100));
        tx.send(val).unwrap();
    });

    loop {
        match rx.try_recv() {
            Ok(r) => {
                println!("Got: {}", r);
                break;
                
            },
            Err(err) => {
                println!("Waiting...");
                thread::sleep(time::Duration::from_millis(10));
            }
        }
    }
}