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use std::sync::atomic::{AtomicUsize, Ordering};
pub struct ScopedIncrementer<'a>
{
inc_dec_value: &'a AtomicUsize
}
impl<'a> ScopedIncrementer<'a>
{
pub fn new(inc_dec_value: &'a AtomicUsize) -> Self
{
//Increment the value
inc_dec_value.fetch_add(1, Ordering::SeqCst);
Self
{
inc_dec_value
}
}
pub fn current_value(&self) -> usize
{
self.inc_dec_value.load(Ordering::SeqCst) //Acquire)
}
}
impl<'a> Drop for ScopedIncrementer<'a>
{
fn drop(&mut self)
{
self.inc_dec_value.fetch_sub(1, Ordering::SeqCst);
}
}