transformers 0.4: change in accessor function exports?

Felipe Lessa felipe.lessa at
Wed May 7 01:14:17 UTC 2014

Em 06-05-2014 19:57, Ross Paterson escreveu:
> On Wed, May 07, 2014 at 07:30:03AM +1000, Edward Kmett wrote:
>> It may make the code in transformers a bit more confusing for a handful of
>> instances, but this is breaking almost every user I've talked to.
> My concern is not the implementation, it's the interface.
>> This is proving to be a major breaking change as users commonly import StateT
>> (..) and go off and use runStateT, etc.
>> I wrote the imports in mtl 2.2 in such a way that if you recanted and chose to
>> switch back to the old style, it'd still work.
>> I just know that I personally have 200+ modules to change as a result, for no
>> better experience as a user.
> I'm convinced that this change is the right thing to do, but I haven't
> managed it at all well.  So I'll do a minor release re-instating the
> fields in short order, but still intend to remove them in the next major
> release (with more preparation).

I'm sorry, but why are you convinced of this?



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