pub fn is_empty(&self) -> bool {
        let head_index = self.head.index.load(Ordering::SeqCst);
        let tail_index = self.tail.index.load(Ordering::SeqCst);
        head_index == tail_index
    }
/// Returns `true` if the channel is empty.
Returns `true` if the channel is empty.
Returns ` true ` if the channel is empty .
pub fn is_empty(&self) -> bool {
        let head_index = self.head.index.load(Ordering::SeqCst);
        let tail_index = self.tail.index.load(Ordering::SeqCst);
        head_index == tail_index
    }
pub fn is_empty ( & self ) -> bool { let head_index = self . head . index . load ( Ordering :: SeqCst ) ; let tail_index = self . tail . index . load ( Ordering :: SeqCst ) ; head_index == tail_index }
Returns `true` if the channel is empty.
Returns ` true ` if the channel is empty .
&self