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use crate::{
    base::WithDataset,
    iter::Iter,
    serializable::{EgoPose, LongToken},
};

impl<'a, It> Iterator for Iter<'a, EgoPose, It>
where
    It: Iterator<Item = &'a LongToken>,
{
    type Item = WithDataset<'a, EgoPose>;

    fn next(&mut self) -> Option<Self::Item> {
        self.tokens_iter
            .next()
            .map(|token| self.refer(&self.dataset.ego_pose_map[&token]))
    }
}