[Haskell-cafe] IOSim on Hackage

Robin Palotai palotai.robin at gmail.com
Mon Aug 21 13:30:07 UTC 2023


Nice! Always good to see more production tooling to emerge.

A question, not that it is your responsibility to consider, but in case you
have thoughts, would be keen to hear:

Are there any long term integrative plan on bringing the various
Io/exception/concurrency abstractions on a compatible basis? Currently
there's for example unliftio/Rio, which is already not compatible with
dejafu. Dejafu is class based, but might not play well with these
io-classes. Also, the emulated semantics might differ. Etc.

To a player who wants "just" some robust working ecosystem, all these
choices and turbulence is quite hard to navigate or make choices about. And
input about observed pros/cons and long term plans appreciated.

Thank you,
Robin

On Sun, Aug 20, 2023, 23:02 <coot at coot.me> wrote:

> Hello dear Haskell-Cafe,
>
> I realised that I haven't shared here that we (the networking team of IOG)
> released io-sim on Hackage. We found and fixed countless bugs thanks to it,
> including some concurrent ones.  Here's a blog post which I wrote some time
> ago:
> https://engineering.iog.io/2023-04-14-io-sim-annoucement
>
> https://hackage.haskell.org/package/io-sim
> https://hackage.haskell.org/package/io-classes
>
> Cheers,
> Marcin Szamotulski
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