I think for most purposes a program like this is short enough:
def recur_map2(fun, data):
if hasattr(data, "__iter__"):
return [recur_map2(fun, elem) for elem in data]
else:
return fun(data)
data = [set([1, 2]), [3], 4, [5, {6:4}, [7, 8]]]
print recur_map2(lambda x: x*2, data)
Bye,
bearophile
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