{"ast_node_type":"function","tokens":[{"end":72,"kind":"keyword","start":0,"text":"fn"}]}
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
impl<K: Debug, V: Debug> Debug for SortedMap<K, V> {
        f.debug_map().entries(self.data.iter().map(|(a, b)| (a, b))).finish()