[Haskell-cafe] Dropping containers support for old GHC versions

David Feuer david.feuer at gmail.com
Fri Mar 9 16:28:13 UTC 2018

How would you feel about switching to 7.6.3? That would definitely make my
life easier. I have to warn you, however, that we will not support 7.6 or
7.8 forever. We'll probably drop 7.6 in another year or two, and 7.8 in
another two or three.

On Mar 9, 2018 11:15 AM, "Henning Thielemann" <lemming at henning-thielemann.de>

> On Fri, 9 Mar 2018, Tom Ellis wrote:
> On Fri, Mar 09, 2018 at 04:42:21PM +0100, Henning Thielemann wrote:
>>> On Fri, 9 Mar 2018, David Feuer wrote:
>>> >It's that time again. I'd very much like to drop containers support
>>> >for GHC version 7.0 (so I can increase the lower bound on array to 0.4
>>> >for Safe Haskell-related reasons). I'd also prefer to drop support for
>>> >GHC versions 7.2 and 7.4, but I'm somewhat open to being convinced not
>>> >to. What do you all think?
>>> I am still mainly using GHC-7.4.2.
>> I'm rather curious why!
> GHC-7.8.4 is the last compiler that prevents me from "length (1,2)" but it
> has a bug in the optimizer that leads to a compiler crash. So I have the
> choice between GHC-7.6.3 and GHC-7.4.2.
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