[Python-Dev] INPLACE_ADD and INPLACE_MULTIPLY oddities in ceval.c

Guido van Rossum guido at python.org
Wed Mar 29 21:03:21 CEST 2006


On 3/29/06, Tim Hochberg <tim.hochberg at ieee.org> wrote:
> Ouch. Assuming the same path is followed with tuples, I think that this
> means the following behaviour will continue:
>
>  >>> t = (1,2,3)
>  >>> a = array([4,5,6])
>  >>> t += a
>  >>> t
> array([5, 7, 9])
>
> That's not particularly desirable.

Why not? It doesn't really differ much from the following example IMO:

>>> x = 3
>>> x += 0.5
>>> x
3.5
>>>

--
--Guido van Rossum (home page: http://www.python.org/~guido/)


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