final = None
    for chunk in addables:
        if final is None:
            final = chunk
        else:
            final = final + chunk
    return final
[docs]async def aadd(addables: AsyncIterable[Addable]) -> Optional[Addable]:
    final = None
    async for chunk in addables:
        if final is None:
            final = chunk
        else:
            final = final + chunk
    return final