[Haskell-cafe] Re: ANNOUNCE: Utrecht Haskell Compiler (UHC) -- first release

[Miguel Mitrofanov]

Well, the problem is that every implementor does choose a subset of standart to implement.

It's much worse in JavaScript - essential features working differently in Internet Explorer, Firefox, Opera, and Safari, and sometimes they even 
differ between versions; Web programmers still manage. (n+k)-patterns are nothing compared to that.

Lennart Augustsson wrote on 20.04.2009 15:17:
> If every implementor got to choose what subset of the standard to
> implement that all code would have have to written in the implemented
> intersection.  I think that's a terrible idea.
> The Haskell98 standard was set so there would be a baseline that
> people could rely on.
> 
> When I implemented Haskell (both times) there were odds and ends that
> I really hated (some of those feelings have changed), but I did it
> anyway.
> 
>   -- Lennart
> 
> On Mon, Apr 20, 2009 at 1:02 PM, Bulat Ziganshin
> <bulat.ziganshin at gmail.com> wrote:
>> Hello Jon,
>>
>> Monday, April 20, 2009, 1:59:07 PM, you wrote:
>>
>>> It's not an implementor's place to make such decisions --
>>> they can legitimately say "this feature sucks" and tell the
>>> next Haskell committee so. If they care enough about it,
>>> they can lobby or get on that next committee, but the
>>> arguments for n+k patterns /in Haskell98/ were done long
>>> ago.
>> if you really believe in that you said, you can spend your own time
>> adding its support :)  i never seen n+k patterns in real code so i
>> understand developers that don't want to waste time just to compliant
>> standard even if their efforts will be never really used
>>
>>
>>
>> --
>> Best regards,
>>  Bulat                            mailto:Bulat.Ziganshin at gmail.com
>>
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