def gen_unique(func):
    return lambda *args: unique(func(*args))
prefix, base -> true iff name prefix + "." + base is "private".
dataset/ETHPy150Open Microsoft/ivy/src/ivy/ivy_utils.py/gen_unique--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/test/_doctest.py/is_private