Back-porting pattern synonym type signature syntax for GHC 7.8.4 [Re: ANNOUNCE: GHC 7.8.4 Release Candidate 1]

[Gabor Greif]

So it could be regarded as a bugfix?

Em terça-feira, 2 de dezembro de 2014, Dr. ÉRDI Gergő <gergo at erdi.hu>
escreveu:

> It is clear to everyone that all it would change is the *output* of GHCi's
> :info and Haddock-generated docs, right? There's no change whatsoever to
> what programs are accepted by GHC, or what they mean.
> On Dec 2, 2014 5:44 AM, "Simon Peyton Jones" <simonpj at microsoft.com
> <javascript:_e(%7B%7D,'cvml','simonpj at microsoft.com');>> wrote:
>
>> The issue is not so much timing for 7.8.4 (it's a modes change to
>> pretty-printing only) but rather that it would make 7.8.4 behave
>> differently to 7.8.3 (although similarly to 7.10). We typically do not do
>> that.  And the same would be true of 7.8.5.
>>
>> Simon
>>
>> | -----Original Message-----
>> | From: Gabor Greif [mailto:ggreif at gmail.com
>> <javascript:_e(%7B%7D,'cvml','ggreif at gmail.com');>]
>> | Sent: 01 December 2014 15:53
>> | To: Dr. ERDI Gergo
>> | Cc: Simon Peyton Jones; ghc-devs at haskell.org
>> <javascript:_e(%7B%7D,'cvml','ghc-devs at haskell.org');>
>> | Subject: Re: Back-porting pattern synonym type signature syntax for GHC
>> | 7.8.4 [Re: ANNOUNCE: GHC 7.8.4 Release Candidate 1]
>> |
>> | Gergö,
>> |
>> | even if it might be too late for 7.8.4, don't give up hope for 7.8.5 :-)
>> |
>> |      Gabor
>> |
>> |
>> | On 11/29/14, Dr. ERDI Gergo <gergo at erdi.hu
>> <javascript:_e(%7B%7D,'cvml','gergo at erdi.hu');>> wrote:
>> | > On Wed, 26 Nov 2014, Simon Peyton Jones wrote:
>> | >
>> | >> My instinct is that (a)-(c) overwhelm (d); i.e. let sleeping dogs
>> lie.
>> | >> But what do others think?
>> | >
>> | > Just to give an idea of how limited the scope of this change would be,
>> | > I've went and implemented it, on the
>> 'wip/pattern-synonym-sig-backport'
>> | > branch (of both GHC and Haddock).
>> | > _______________________________________________
>> | > ghc-devs mailing list
>> | > ghc-devs at haskell.org
>> <javascript:_e(%7B%7D,'cvml','ghc-devs at haskell.org');>
>> | > http://www.haskell.org/mailman/listinfo/ghc-devs
>> | >
>>
>
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