On Wed, 04 Jan 2006 22:51:03 -0500, Mike Meyer wrote:
>> And if you only ever passed immutable objects around, you would
>> think Python was call by value.
>
> You might. Then again, you might also understand the concepts well
> enough to realize that there isn't any difference between CBR and CBV
> when you're passing immutable objects.
Consider this:
def do_nothing(x):
pass
huge_tuple = (None,) * 10000**4
do_nothing(huge_tuple)
If Python made a copy of huge_tuple before passing it to the function, you
would notice.
--
Steven.
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