FlexibleInstances Re: ANNOUNCE: GHC 7.2.1 Release Candidate 1
Christian.Maeder at dfki.de
Fri Aug 5 13:23:35 CEST 2011
I've just found http://hackage.haskell.org/trac/ghc/ticket/5377
which explains it.
Am 05.08.2011 12:56, schrieb Christian Maeder:
> I've noticed that with ghc-7.2 many modules with
> LANGUAGE TypeSynonymInstances
> now also require FlexibleInstances
> Two examples are in the HTTP package Network.TCP and
> Was ghc-7.0 wrong about this, before?
> Cheers Christian
> Am 29.07.2011 20:21, schrieb Ian Lynagh:
>> We are pleased to announce the first release candidate for GHC 7.2.1:
>> This includes the source and testsuite tarballs, installers for OS X and
>> Windows, and bindists for amd64/Linux, i386/Linux, amd64/FreeBSD and
>> Please test as much as possible; bugs are much cheaper if we find them
>> before the release!
>> Ian, on behalf of the GHC team
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