use std::thread;
use std::sync::{Arc, Mutex};

fn main() {
    let my_vec = Arc::new(Mutex::new(Vec::new()));

    let t_vec = my_vec.clone();
    let handle = thread::Builder::new()
        .name("my thread".to_owned())
        .spawn(move || {
            for i in 0..50 {
                t_vec.lock().unwrap().push(i);
            }
        })
        .expect("could not create the thread");

    for i in 0..50 {
        my_vec.lock().unwrap().push(i);
    }

    if handle.join().is_err() {
        println!("Something bad happened :(");
    }

    let vec_mutex = Arc::try_unwrap(my_vec).unwrap();
    let f_vec = vec_mutex.into_inner().unwrap();
    println!("Final vector: {:?}", f_vec);
}