def any_generated(gen):
    """like `any` but returns False for empty generators
    >>> any_generated((v for v in (0,object())))
    True
    >>> any_generated((v for v in (0,False)))
    False
    >>> any_generated((v for v in ()))
    False
    """
    for v in gen:
        if bool(v):
            return True
    return False
