[Haskell-cafe] haskell.org

[Tikhon Jelvis]

Are we constraining the examples to not use any external libraries? I can
see why that's a good idea, but it also makes it hard to show something
both pithy and useful.

On Mon, Apr 20, 2015 at 5:22 PM, <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.
>
> 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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