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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Fri, 30 Jan 2015 12:39:14 -0700
Subject: Re: Multiplexing 2 streams with asyncio
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On Fri, Jan 30, 2015 at 11:45 AM, Paul  Moore <p.f.moore@gmail.com> wrote:
> 2. Because on Windows I'd have to use threads, whereas asyncio uses IO completion ports behind the scenes (I think) which are probably a lot more lightweight.

I have no idea whether that's true, but note that add_reader() on
Windows doesn't work with pipes:

https://docs.python.org/3/library/asyncio-eventloops.html#windows