{"ast_node_type":"variable","tokens":[{"end":47,"kind":"keyword","start":0,"text":"let"}]}
        let (ident, def_kind) = match &i.kind {
    fn visit_assoc_item(&mut self, i: &'a AssocItem, ctxt: visit::AssocCtxt) {
            AssocItemKind::Fn(box Fn { ident, .. })