On Fri, Feb 24, 2012 at 2:00 PM, Barney Hilken <b.hil...@ntlworld.com> wrote:
>
>
>> This should be used to generate
>> internal constraints and not be exposed to the end user and not
>> automatically abstract over fields.
>
> Every one of your messages about records stresses your dislike for 
> polymorphic projections, and your insistence that the Has class should be 
> hidden from the user. I've read all of your explanations, but I'm still 
> totally unconvinced. All your arguments about the semantics of labels are 
> based on the way you want to use them, not on what they are. They are 
> projection functions! Semantically, the only difference between them is the 
> types. Polymorphism makes perfect sense and is completely natural. There is 
> nothing "untyped" about it.
>
> I feel you are pushing a narrow personal agenda here. I think the Has class 
> would be useful to programmers and no harder to understand than other Haskel 
> classes. It should not be hidden.

Barney, these kinds of statements about "personal agenda" are
counterproductive. I have put in a lot of work that nobody, including
yourself has been willing to do for years to push Haskell's records
forward. I would appreciate respectful disagreement - I think I have
earned that much. Please just stick to logical arguments.

Greg Weber

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