{"ast_node_type":"variable","tokens":[{"end":22,"kind":"keyword","start":0,"text":"let"}]}
        let mut data =
    fn from_iter<T: IntoIterator<Item = &'a str>>(iter: T) -> Self {
            iter.into_iter().flat_map(|s| s.as_bytes()).copied().collect::<SmallVec<_>>();