def random_save(rnd: Optional[tcod.random.Random]) -> tcod.random.Random:
    """Return a copy of a random number generator.

    .. deprecated:: 8.4
        You can use the standard library copy and pickle modules to save a
        random state.
    """
    return tcod.random.Random._new_from_cdata(
        ffi.gc(
            ffi.cast(
                "mersenne_data_t*",
                lib.TCOD_random_save(rnd.random_c if rnd else ffi.NULL),
            ),
            lib.TCOD_random_delete,
        )
    )
Return a copy of a random number generator.

    .. deprecated:: 8.4
        You can use the standard library copy and pickle modules to save a
        random state.