conc-util 0.2.1

[no_std] utilities for concurrency and async
Documentation 
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use core::sync::atomic::{AtomicBool, Ordering};

#[derive(Debug)]
pub struct OnceFlag(AtomicBool);

impl OnceFlag {
    pub fn new() -> Self {
        Self(AtomicBool::new(false))
    }

    pub fn fire(&self) -> bool {
        self.0.swap(true, Ordering::AcqRel)
    }

    pub fn fired(&self) -> bool {
        self.0.load(Ordering::Acquire)
    }

    pub fn fired_mut(&mut self) -> bool {
        *self.0.get_mut()
    }
}