[ghc-steering-committee] #596: sized literals in Show, rec: accept
Joachim Breitner
mail at joachim-breitner.de
Sun Jul 9 19:17:32 UTC 2023
Hi,
I only got positive feedback, so I’ll merge this in a few days.
Cheers,
Joachim
Am Donnerstag, dem 29.06.2023 um 08:20 +0200 schrieb Joachim Breitner:
> Dear committee,
>
> Krzysztof Gogolewski in
> https://github.com/ghc-proposals/ghc-proposals/pull/596
> amends the sized literals proposal so that GHC uses the syntax
> 42#Int8 instead of (intToInt8# 42#) in the stock derived Show instances
> for data types with sized unboxed numbers.
>
> Implementation is also ready.
>
> Now that we have a syntax for these literals it’s clear that we want to
> use them in the show instances.
>
>
> There is no risk of breaking Show-Read-roundtripping, as Read instances
> cannot be derived (at the moment).
>
> This is a change in behavior of Show, so we should think for a moment
> how this affects stability. But none of the libraries in libraries/, in
> particularly not base, are affected by this change, according to
> Krzysztof.
>
> So I recommend to accept this.
>
> Cheers,
> Joachim
>
>
>
--
Joachim Breitner
mail at joachim-breitner.de
http://www.joachim-breitner.de/
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