[Haskell-cafe] rolling span and groupBy for lists

[Brandon Allbery]

We have two groups of "leaders", with partially opposing goals. This is a
disaster looking for an excuse to happen.

On Mon, Feb 5, 2018 at 2:29 PM, Harendra Kumar <harendra.kumar at gmail.com>
wrote:

> On 6 February 2018 at 00:33, Sergiu Ivanov <sivanov at colimite.fr> wrote:
>
>> Thus quoth  Harendra Kumar  on Mon Feb 05 2018 at 18:30 (+0100):
>> > Yes, Hayoo seems to be giving better results, I found more variants
>> having
>> > the behavior I want, it seems this variant is quite popular but still
>> not
>> > in any standard libraries.
>> >
>> > Interestingly the problem of too many choices and no standard one that
>> can
>> > be discovered applies to search engines as well. In this case there are
>> > only two choices but still it is of the same nature. I knew about hayoo
>> but
>> > forgot to use it in this case. How much time should one spend on
>> finding a
>> > trivial function before giving up and making the choice to write their
>> own?
>> > I wish there was a standard, quick, good quality way of discovering
>> what to
>> > use.  It seems the Haskell ecosystem DNA encourages more and more
>> > fragmentation rather than consolidation. I think the community/leaders
>> > should acknowledge this problem and work on making things better in the
>> > short/long run.
>>
>> A Single Liberal Unified Registry of Haskell Packages (SLUPR), an effort
>> in this direction, has been recently announced:
>>
>
> Unfortunately, in my opinion, SLURP is taking things exactly in the
> opposite direction. I was talking about the problem of choice above and
> SLURP is giving even more choices  and therefore encouraging more
> fragmentation. We should have just one good choice to stop wasting time and
> energy finding the best choice among millions available. Everyone should
> focus on making that one choice better rather spending energy in creating
> their own alternatives. This is where the Haskell ecosystem philosophy
> differs, it provides many choices in all aspects, it may be good in some
> cases but not always. SLURP is a technology solution which exactly fits in
> the same DNA. Technology can help us achieve the tasks that we set out to
> do but technology cannot motivate and influence us in what we choose to do
> and therefore ti cannot make the community focus on one goal - that
> requires real people leadership. If we do not focus on one goal, even with
> the best technology we may not succeed. Just my 2 cents.
>
> -harendra
>
>
>
>>
>>
>> > -harendra
>> >
>> > On 5 February 2018 at 22:02, Sergiu Ivanov <sivanov at colimite.fr> wrote:
>> >
>> >> Hello Harendra,
>> >>
>> >> Thus quoth  Harendra Kumar  on Mon Feb 05 2018 at 16:43 (+0100):
>> >> >
>> >> > The irony is that theoretically you can find a Haskell package or
>> >> > implementation of whatever you can imagine but quite often it takes
>> more
>> >> > time to discover it than writing your own.
>> >>
>> >> Sometimes Hayoo! helps me out in such situations:
>> >>
>> >>   http://hayoo.fh-wedel.de/?query=groupBy
>> >>
>> >> utility-ht shows up.
>> >>
>> >> --
>> >> Sergiu
>> >>
>>
>>
>> --
>> Sergiu
>>
>
>
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-- 
brandon s allbery kf8nh                               sine nomine associates
allbery.b at gmail.com                                  ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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