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

Adam Bergmark adam at bergmark.nl
Fri Mar 9 16:35:10 UTC 2018

I appreciate that it may be hard/undesirable for some to use the latest
GHC, but overall I don't think we should need to maintain backwards
compatibility indefinitely because of that. Older versions of containers
will still work with older GHCs, and other libraries depending on
containers will still work as well as long as they support older container

But nevertheless, at least it seems there are no objections to dropping 7.0
and 7.2.2 support so far? :)


On Fri, 9 Mar 2018 at 17:20 Daniel Cartwright <chessai1996 at gmail.com> wrote:

> David, I just checked and you're correct - I believe I was remembering
> some other library(ies), though I can't recall which ones.
> On Fri, Mar 9, 2018 at 11:08 AM, David Feuer <david.feuer at gmail.com>
> wrote:
>> On Mar 9, 2018 10:55 AM, "Daniel Cartwright" <chessai1996 at gmail.com>
>> wrote:
>> On a related note, I find it strange when looking through source code for
>> 'containers'/other Haskell libraries and still see notes about supporting
>> non-GHC Haskell compilers (e.g. Hugs)
>> I believe we've stripped all references to Hugs and nhc98 from
>> containers. If you find any, let us know. I'd be interested in adding
>> support for Frege, but the way it deals with numeric literals could be
>> problematic.
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