{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"cx.arm(span,"}]}
                        cx.arm(span, cx.pat_ident(span, test_id), cx.expr_ident(span, test_id));
                    let neq_arm =
                    cx.expr_match(span, expr2, thin_vec![eq_arm, neq_arm])