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Wed Oct 12 11:35:09 EDT 2016 · https://mail.python.org/pipermail/python-dev/2016-October/146681.html

On Oct 11 2016, Nathaniel Smith <njs at pobox.com> wrote:
> On Tue, Oct 11, 2016 at 9:08 PM, INADA Naoki <songofacandy at gmail.com> wrote:
>> From Python 3.4, bytearray is good solution for I/O buffer, thanks to
>> #19087 [1].
>> Actually, asyncio uses bytearray as I/O buffer often.
>
> Whoa what?! This is awesome, I had no idea that bytearray had O(1)
> deletes at the front. I literally reimplemented this myself on type of
> bytearray for some 3.5-only code recently because I assumed bytearray
> had the same asymptotics as list, and AFAICT this is totally
> undocumented. 

Indeed, same here.

Best,
-Nikolaus

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Showing content from https://mail.python.org/pipermail/python-dev/2016-October/146681.html below:

[Python-Dev] Adding bytes.frombuffer() constructor to PEP 467