Code shared from the Rust Playground

playground.rs

use std::thread;
use std::time::Duration;
fn main() {
    concurrency_demo_1();
    concurrency_demo_2();
}

fn concurrency_demo_1() {
    let v = vec![1, 2, 3];
    
    let handle = thread::spawn(move || {
        println!("Here's a vector: {:?}", v);
    });
    
    handle.join().unwrap();
}


use std::sync::mpsc;
fn concurrency_demo_2() {
    let (i, o) = mpsc::channel();
    println!("Sending value.");
    thread::spawn(move || {
        let val1 = "hi".to_string();
        let val2 = "bye".to_string();
        thread::sleep(Duration::from_millis(1000));
         i.send(val1).unwrap();
         i.send(val2).unwrap();
    });
    
    let received = o.recv().unwrap();
    let received2 = o.recv().unwrap();
    println!("Got: {} and {}", received, received2);
}