{"ast_node_type":"variable","tokens":[{"end":66,"kind":"keyword","start":0,"text":"let"}]}
                let name = MacroRulesNormalizedIdent::new(*ident);
            mve.for_each_metavar((), |_, ident| {
                check_ops_is_prefix(psess, node_id, macros, binders, ops, dl.entire(), name);