Update on GHC 6.12.1

Simon Peyton-Jones simonpj at microsoft.com
Thu Oct 29 06:41:45 EDT 2009


| Bulat, that would not be in the ghc tradition of breaking existing
| programs in every release. ;)

Oh cruel, cruel, cruel!  And unjustified to boot.  My proposal (perhaps unclear) was exactly as Bulat suggests.

However I'm sure we'll find some other way of breaking existing programs :-)

Simon

| -----Original Message-----
| From: Lennart Augustsson [mailto:lennart.augustsson at gmail.com]
| Sent: 29 October 2009 10:25
| To: Bulat Ziganshin
| Cc: Simon Peyton-Jones; GHC users
| Subject: Re: Update on GHC 6.12.1
| 
| Bulat, that would not be in the ghc tradition of breaking existing
| programs in every release. ;)
| 
|     -- Lennart (iPhone)
| 
| On 29 Oct 2009, at 03:33, Bulat Ziganshin <bulat.ziganshin at gmail.com>
| wrote:
| 
| > Hello Simon,
| >
| > Thursday, October 29, 2009, 1:55:00 AM, you wrote:
| >
| >> Currently 'mdo' is enabled by -XRecursiveDo.  So we propose to
| >> deprecate this flag, with another flag -XDoRec to enable the 'rec'
| >> keyword.
| >
| > i think the best way is to support both in 6.12, marking mdo usage as
| > deprecated, and remove it in one of next versions
| >
| > --
| > Best regards,
| > Bulat                            mailto:Bulat.Ziganshin at gmail.com
| >
| > _______________________________________________
| > Glasgow-haskell-users mailing list
| > Glasgow-haskell-users at haskell.org
| > http://www.haskell.org/mailman/listinfo/glasgow-haskell-users



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