fn unpark_one(&mut self) {
        if let Some(inner) = &mut self.inner {
            inner.sender_task.borrow_mut().notify();
        }
    }
// Unpark a single task handle if there is one pending in the parked queue
Unpark a single task handle if there is one pending in the parked queue
Unpark a single task handle if there is one pending in the parked queue
fn unpark_one(&mut self) {
        if let Some(inner) = &mut self.inner {
            inner.sender_task.borrow_mut().notify();
        }
    }
fn unpark_one ( & mut self ) { if let Some ( inner ) = & mut self . inner { inner . sender_task . borrow_mut ( ) . notify ( ) ; } }
Unpark a single task handle if there is one pending in the parked queue
Unpark a single task handle if there is one pending in the parked queue
&mut self