FlexibleInstances Re: ANNOUNCE: GHC 7.2.1 Release Candidate 1

Christian Maeder Christian.Maeder at dfki.de
Fri Aug 5 12:56:05 CEST 2011


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:
>      http://www.haskell.org/ghc/dist/7.2.1-rc1/
> This includes the source and testsuite tarballs, installers for OS X and
> Windows, and bindists for amd64/Linux, i386/Linux, amd64/FreeBSD and
> i386/FreeBSD.
> Please test as much as possible; bugs are much cheaper if we find them
> before the release!
> Thanks
> Ian, on behalf of the GHC team

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