How about Hackagebot?

https://github.com/lfairy/hircine/blob/master/brigitte/Hackagebot.hs

https://github.com/lfairy/hircine/blob/master/brigitte/Utils.hs

It involves a lot of concurrency, networking, and data structure manipulation -- all areas Haskell excels in.

It avoids using advanced features as well (except maybe pattern synonyms, but those aren't visible in the code that uses them)

Here are some numbers: its sibling Cargobot boasts 3+ months continuous uptime, with memory usage never going beyond 12 MB. It has never crashed. I expect Hackagebot to have similar metrics.

On Jul 1, 2017 06:34, "Han Joosten" <han.joosten.han@gmail.com> wrote:

I'd like to showoff some nice Haskell code to a CTO with no experience with FP. I promised to send him a small piece of Haskell so he could get an idea. The code should be easy to read, without obscure looking operators (so sorry, no lens, arrows stuff like that), optionally even do something interesting.
Who has the nicest example laying around?

(and yes, I need it by yesterday ;-) )

Thanks!

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