[ghc-steering-committee] As patterns in pattern synonyms (#94), Recommendation: accept

Simon Marlow marlowsd at gmail.com
Wed Feb 28 09:25:50 UTC 2018


Looks good to me.

On 27 February 2018 at 14:19, Joachim Breitner <mail at joachim-breitner.de>
wrote:

> Dear Committee,
>
> this is your secretary speaking:
>
> As patterns in pattern synonyms, by Richard.
> https://github.com/ghc-proposals/ghc-proposals/pull/94
> rendered at
> https://github.com/ghc-proposals/ghc-proposals/blob/as-pattern-synonyms/
> AsPatternSynonyms.rst
>
> I’ll shepherd that myself.
>
> This proposal removes restrictions on what can be used in
> unidirectional pattern synonyms, where @-pattern were previously
> disallowed. The restriction would make sense if patterns synonyms are
> macros, but they are not. I am always in favor of removing special
> cases and restrictions, so I recommend to accept this proposal.
>
> Thanks,
> Joachim
> --
> Joachim Breitner
>   mail at joachim-breitner.de
>   http://www.joachim-breitner.de/
>
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