{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"(0..self.len()"}]}
            (0..self.len() as u128).sum::<u128>(),
            self.iter().map(|x| x.index() as u128).sum::<u128>(),
            "The values aren't 0..N in input {self:?}",