On 5/2/2010 8:11 AM, dmitrey wrote:
Python 2.6.5 r265:79063
set().update(set()) is None
True
while I expect result of update to be set.
Also, result of
set().add(None)
is None while I expect it to be set with element None (or, maybe, it
should be empty set?)
'Expect' has two different meanings in this context.
1. The empirical behavior surprised me (because I did not bother to read
the manual, which clearly says what the returns are).
2. The documented behavior, which I read, surprises me, because I would
have designed things differently, perhaps because I have used other
languages designed differently.
I am not sure which you meant.
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