{"ast_node_type":"variable","tokens":[{"end":29,"kind":"keyword","start":0,"text":"let"}]}
                let neq_arm =
                let eq_arm = cx.arm(span, cx.pat_path(span, equal_path.clone()), expr1);
                    cx.arm(span, cx.pat_ident(span, test_id), cx.expr_ident(span, test_id));