{"ast_node_type":"variable","tokens":[{"end":70,"kind":"keyword","start":0,"text":"let"}]}
            let obj_ref_place = Place::from(self.new_temp(unwrap_ty));
            let unwrap_ty = adt_def.non_enum_variant().fields[FieldIdx::ZERO].ty(tcx, adt_args);
            call_statements.push(self.assign(