[Haskell-cafe] Why is it so different between 6.12.1 and 6.10.4_1 ?

[David Menendez]

On Fri, Mar 26, 2010 at 9:13 PM, Ivan Lazar Miljenovic
<ivan.miljenovic at gmail.com> wrote:
> David Menendez <dave at zednenem.com> writes:
>> On Fri, Mar 26, 2010 at 8:59 PM, Ivan Lazar Miljenovic <ivan.miljenovic at gmail.com> wrote:
>>> Some definitions and exports got changed, so in 6.12 the (-> a) Monad
>>> instance is exported whereas in 6.10 it isn't.
>>
>> What? From where?
>>
>> I thought the whole reason the Monad ((->) a) instance was in
>> Control.Monad.Instances (instead of Prelude) was to retain
>> compatibility with the library report.
>
> I forget the specifics, but we had a discussion on this in #haskell a
> month or so ago: IIRC either the instance definition's location was
> changed or else it was re-exported by Control.Monad now or something.

Are you sure? This would be a fairly significant change, and there's
no mention of it in the 6.12 release notes.

-- 
Dave Menendez <dave at zednenem.com>
<http://www.eyrie.org/~zednenem/>