Method next

publication/code/chapter04/lvec.rs:161–163

(&mut self)

impl<T: Copy + Debug> Iterator for IntoIter<T> {
    type Item = T;
    fn next(&mut self) -> Option<Self::Item> {
        self.0.pop()
    }
}

struct Iter<'a, T: 'a> { next: Option<&'a Node<T>> }