{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
                        let res = self.typeck_results.borrow().qpath_res(qpath, element.hir_id);
                    hir::ExprKind::Path(qpath) => {
                        if let Res::Def(DefKind::Const | DefKind::AssocConst, _) = res {