RESERVED_NAMES :: string.["cast", "context", "false", "is_constant", "null", "remove", "true", "type_info", "xx", "interface", "Any", "bool", "float", "float32", "float64", "int" ...RESERVED_NAMES :: string.["cast", "context", "false", "is_constant", "null", "remove", "true", "type_info", "xx", "interface", "Any", "bool", "float", "float32", "float64", "int" ...