{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"check_float_value(\"1.3_4665449586950493453___6_f128\","}]}
        check_float_value("1.3_4665449586950493453___6_f128", "1.346654495869504934536");
    fn test_value_underscores() {
        check_float_value("1.234567891011121_f64", "1.234567891011121");