[Python-Dev] API for binary operations on Sets

Raymond Hettinger raymond.hettinger at gmail.com
Thu Sep 30 06:54:01 CEST 2010

On Sep 29, 2010, at 11:29 PM, Terry Reedy wrote:
> I do not understand this. List.__add__ is currently *more* restrictive than set ops in that it will not even accept a 'frozenlist' (aka tuple).

Sorry, that should have been __iadd__().

>>> s = range(5)
>>> s += 'abc'
>>> s
[0, 1, 2, 3, 4, 'a', 'b', 'c']


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