ok:
> On 5 May 2009, at 8:30 pm, Magnus Therning wrote:
>
>> On Tue, May 5, 2009 at 1:04 AM, Richard O'Keefe <o...@cs.otago.ac.nz>
>> wrote:
>>> I never really understood why it was thought to be relevant,
>>> but I was challenged to show that n+k patterns occurred in
>>> Hackage.
>>
>> Why is it relevant?
>
> Some people think that the popularity of a feature in
> an openly accessible collection of Haskell sources is
> relevant to whether it should continue to be supported,
> in a way that, say, appearance in textbooks, utility
> to beginners, and contribution to readability are not.
> Apparently.
This was the main reason it was kept in Haskell 98, 11 years ago.
New textbooks don't use it (RWH doesn't talk or recommend the use of n+k)
> I don't understand this. n+k patterns are the ONLY
> Haskell98 feature scheduled for removal from Haskell'.
For multiple reasons, summarised here:
http://hackage.haskell.org/trac/haskell-prime/wiki/RemoveNPlusK
-- Don
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