Function cassandra_cpp_sys::cass_data_type_add_sub_value_type_by_name_n

pub unsafe extern "C" fn cass_data_type_add_sub_value_type_by_name_n(
    data_type: *mut CassDataType, 
    name: *const c_char, 
    name_length: size_t, 
    sub_value_type: CassValueType
) -> CassError