Method next_back

crates/common/src/boxvec.rs:414–424

(&mut self)

impl<T> DoubleEndedIterator for IntoIter<T> {
    fn next_back(&mut self) -> Option<T> {
        if self.index == self.v.len {
            None
        } else {
            unsafe {
                let new_len = self.v.len() - 1;
                self.v.set_len(new_len);
                Some(ptr::read(self.v.get_unchecked_ptr(new_len)))
            }
        }
    }
}

impl<T> ExactSizeIterator for IntoIter<T> {}