use std::sync::{Arc, atomic::AtomicBool};
use crate::Usually;

#[derive(Clone)] pub struct Exit(Arc<AtomicBool>);

impl Exit {
    pub fn run <T> (run: impl Fn(Self)->Usually<T>) -> Usually<T> {
        run(Self(Arc::new(AtomicBool::new(false))))
    }
}

impl AsRef<Arc<AtomicBool>> for Exit {
    fn as_ref (&self) -> &Arc<AtomicBool> {
        &self.0
    }
}