left-right-cell

left-right-cell is a lockfree, eventually consistent cell created using the left-right crate. It allows readers to read from the cell without ever blocking while the writer might block when writing. This is achived by storing two copies of the data one for the readers and one for the writer.

let (mut w, r) = left_right_cell::new(false);

let t = std::thread::spawn(move || {
    loop {
        let value = r.get().unwrap();
        if *value {
            break;
        }
    }
});

w.set(true);
w.publish();
t.join().unwrap();
assert!(true);