I really like this, not just because it makes a good point on performance, but because it also provides a nice, simple, idiomatic example of a service with a cu

I really like this, not just because it makes a good point on performance, but because it also provides a nice, simple, idiomatic example of a service with a custom protocol in python, using asyncio. I'd like to see the same thing in a few different languages, just for fun - perhaps a Perl or Rust redis, for example.