floop 0.1.1

A more convenient and less error prone replacement for loop `{ select! { .. }}`
Documentation 
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use std::{sync::atomic::{AtomicBool, Ordering}, time::Duration};
use futures::{FutureExt, future};
use smol::{Timer, block_on, future::{race, yield_now}};
use floop::floop;

#[test]
fn counter() {
    let mut counter = 0;
    let run = AtomicBool::new(true);

    let future = race(
        floop!{biased
            _ in Timer::after(Duration::from_millis(20)) => {
                if counter % 2 == 1 {
                    counter += 1;
                }
            }
            _ in Timer::after(Duration::from_millis(14)) => {
                if counter % 2 == 0 {
                    counter += 1;
                }

                if counter >= 21 {
                    run.store(false, Ordering::Relaxed);
                }
            }
        }.map(drop),
        async {
            while run.load(Ordering::Relaxed) {
                yield_now().await;
            }
        }
    );

    block_on(future);

    assert_eq!(counter, 21);
}

#[test]
fn break_() {
    let future = floop!{biased
        val in future::ready(2) => {
            break val;
        }
        val in future::ready(5) => {
            break val;
        }
    };

    let result = block_on(future);

    assert_eq!(result, (2, 5));
}

#[test]
fn break_complex() {
    let mut counter = 10;
    let mut collatz = 77031;
    
    // the collatz conjecture should result in the ordering of the 2 branches being chaotic.
    let future = floop!{
        biased
        _ in Timer::after(Duration::from_millis(counter))=> {
            if collatz == 1 {
                break;
            } else if collatz % 2 == 0 {
                collatz /= 2;
            } else {
                collatz = collatz * 3 + 1;
            }
        }
        _ in Timer::after(Duration::from_micros(collatz / 5)) => {
            if counter == 0 {
                break;
            }

            counter -= 1;
        }
    };

    block_on(future);

    assert_eq!(counter, 0);
    assert_eq!(collatz, 1);
}