slock 0.2.1

An async mutex that never deadlocks.
Documentation 
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use slock::*;

#[tokio::test]
async fn basic_hooks() {
    // SAFETY: Required to increment the static counter
    unsafe {
        let lock = Slock::new(());
        static mut COUNT: i32 = 0;
        lock.hook(|_| COUNT += 1).await;
        lock.set(|_| ()).await;
        lock.set(|_| ()).await;
        lock.set(|_| ()).await;
        assert_eq!(COUNT, 3);
    }
}