[Haskell-cafe] haskell.org

[Ivan Lazar Miljenovic]

On 21 April 2015 at 10:22,  <amindfv at gmail.com> wrote:
> While we're at it, the "foldr (:) [] [1,2,3]" example probably isn't going to cause anyone to give away their worldly possessions and dedicate their lives to haskell.

I'd hope not: it's a bit hard to write and share awesome Haskell
packages without a computer to write and test them on! :p

>
> Tom
>
>
> El Apr 20, 2015, a las 18:53, Ertugrul Söylemez <ertesx at gmx.de> escribió:
>
>> Hi everybody,
>>
>> I'd like to note that the prime "sieve" example that is sitting at the
>> top of the homepage is not a real sieve and will more likely make people
>> with number theory experience (like me) feel highly irritated rather
>> than fascinated.  A real sieve does not only run a million times (!)
>> faster and consumes far less memory, but is also much longer, even in
>> Haskell.  Here is a real one:
>>
>>    <http://lpaste.net/101980>
>>
>> I don't want to make a mountain out of a molehill, but please note:  If
>> I'd be new to Haskell, that example would have turned me off, because it
>> would have hurt my ability to take Haskell programmers seriously.  You
>> can easily promote your tools when you claim that they can build a car
>> easily, except in reality it's just a toy bicycle.
>>
>> It's the same feeling to cryptographers when people call a regular
>> stream cipher a "one-time pad" and promote it as such.  It rings the
>> "this is snake oil!" alarm bell.
>>
>> So I propose to either rename the 'sieve' function to something more
>> appropriate (like `trialDiv`) or replace the example altogether.  I
>> would suggest an example that truly shows Haskell's strengths.  Trial
>> division search is really just a bad substitute for the more common and
>> equally inappropriate list quicksort example.
>>
>>
>> Greets,
>> Ertugrul
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-- 
Ivan Lazar Miljenovic
Ivan.Miljenovic at gmail.com
http://IvanMiljenovic.wordpress.com