{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"match"}]}
                    match self.db.field_types((*struct_id).into()).values().next_back().cloned() {
                TyKind::Adt(chalk_ir::AdtId(hir_def::AdtId::StructId(struct_id)), substs) => {
                        Some(field) => {