gistfile1.txt

trait IntoIterator<T, Iter: Iterator<T>> {
    fn into_iterator(self) -> Iter;
}

impl<T, Iter: Iterator<T>> IntoIterator<T, Iter> for Iter {
    fn into_iterator(self) -> Iter {
        self
    }
}

trait MoveIterable<T, Iter: Iterator<T>> {
    fn move_iter(self) -> Iter;
}

impl<T, Iter: Iterator<T>, It: MoveIterable<T, Iter>> IntoIterator<T, Iter> for It {
    fn into_iterator(self) -> Iter {
        self.move_iter()
    }
}

fn main() {}