pikeyalloter

lock-free Key(idx:u32, version:u32) alloter.

Examples

alloc key:

rust let alloter = pi_key_alloter::KeyAlloter::new(0); let k = alloter.alloc(); assert_eq!(0, k.index()); assert_eq!(1, k.version()); alloter.recycle(k); let k = alloter.alloc(); assert_eq!(0, k.index()); assert_eq!(2, k.version()); let k = alloter.alloc(); assert_eq!(1, k.index()); assert_eq!(1, k.version());

The alloter can be shared across threads with an Arc:

```rust use std::sync::Arc;

fn main() { let alloter = Arc::new(pikeyalloter::KeyAlloter::new());

// spawn 6 threads that append to the arr
let threads = (0..6)
    .map(|i| {
        let alloter = alloter.clone();

        std::thread::spawn(move || {
            let _ = alloter.alloc();
        })
    })
    .collect::<Vec<_>>();

// wait for the threads to finish
for thread in threads {
    thread.join().unwrap();
}
let k = alloter.alloc();
assert_eq!(6, k.index());
assert_eq!(1, k.version());

} ```