ato 2.0.3

A very minimal no-std async runtime
Documentation 
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use std::sync::{Arc, Mutex};

const SPAWNER_SIZE: usize = 4; // Must be a power of two, e.g., 2, 4, 8, 16, etc.

fn main() {
    let spawner: ato::Spawner<SPAWNER_SIZE> = ato::Spawner::default();
    let lock = Arc::new(Mutex::new(Vec::new()));
    let lock_clone = lock.clone();
    ato::spawn_task!(spawner, res, {
        {
            let mut num = lock_clone.lock().unwrap();
            num.push(1);
        }
        ato::yield_now().await; // Yield control back to the scheduler
        {
            let mut num = lock_clone.lock().unwrap();
            num.push(3);
        }
    });
    res.unwrap();

    let lock_clone = lock.clone();
    ato::spawn_task!(spawner, res, {
        {
            let mut num = lock_clone.lock().unwrap();
            num.push(2);
        }
    });
    res.unwrap();

    spawner.run_until_all_done().unwrap();

    // check that the lock was accessed correctly
    let num = lock.lock().unwrap();
    assert_eq!(
        *num,
        Vec::from([1, 2, 3]),
        "Lock was not accessed correctly"
    );
    println!("Lock was accessed correctly: {:?}", *num);
}