Package take over: OneTuple

[Ivan Lazar Miljenovic]

On 13 April 2018 at 22:28, Oleg Grenrus <oleg.grenrus at iki.fi> wrote:
> Hi all,
>
> I tried to contact John Dorsey who is the sole maintainer of OneTuple
> [1], but the stated email address (haskell at colquitt.org) bounces back.
>
> The last version of  OneTuple was uploaded "by JohnDorsey at Tue Mar 24
> 17:35:51 UTC 2009" - 9 years ago. OneTuple was working great so far, but
> GHC-8.4.1 / base-4.11 introduced breaking change, which affects
> OneTuple too: Semigroup is now a superclass of Monoid. Therefore none of
> OneTuple versions is GHC-8.4.1/base-4.11 compatible.
>
> I'm a Hackage Trustee [1] and also a user of OneTuple package (though
> not direct - it's in the transitive closure of Chart + diagrams), so I'd
> like to see GHC-8.4 compatible OneTuple version soon.

Would it be worth trying to consolidate similar data structures and
have Chart + diagrams migrate to Only [1] (which is up to date)?

[1]: https://hackage.haskell.org/package/Only

>
> The required changes are very small, see
> https://github.com/phadej/OneTuple/pull/1 or more precisely this exact
> commit:
> https://github.com/phadej/OneTuple/pull/1/commits/1dbc4d3186f707034953e131995c590eb50cd9af
>
> I'd like to become (co-)maintainer of OneTuple. I have no other plans
> than to keep it compiling with recent versions of GHC. Maybe I'll add
> NFData (from `deepseq`) instance though.
>
> Best Regards, Oleg Grenrus
>
>
> [1]:  https://hackage.haskell.org/package/OneTuple
>
>
>
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-- 
Ivan Lazar Miljenovic
Ivan.Miljenovic at gmail.com
http://IvanMiljenovic.wordpress.com