Glyph Lefkowitz added the comment:
Le Oct 11, 2012 à 12:13 PM, Antoine Pitrou <rep...@bugs.python.org> a écrit :
>
> Antoine Pitrou added the comment:
>
> I'm not sure what you're talking about since:
>
>>>> b = buffer("abc")
>>>> b + "xyz"
> 'abcxyz'
>>>> (b + "xyz") is b
> False
>
> ... doesn't look like it avoid copies to me.
The case where copies are avoided is documented here:
<http://twistedmatrix.com/trac/browser/trunk/twisted/internet/abstract.py?rev=35733#L20>
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<http://bugs.python.org/issue15945>
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