Function cassandra_cpp_sys::cass_tuple_set_custom_n

pub unsafe extern "C" fn cass_tuple_set_custom_n(
    tuple: *mut CassTuple, 
    index: size_t, 
    class_name: *const c_char, 
    class_name_length: size_t, 
    value: *const cass_byte_t, 
    value_size: size_t
) -> CassError