[Haskell-beginners] minimal Haskell concepts subset

[Davi Santos]

Daniël,
I was on that road already.
I made a relatively complex file parser and other things.

Unfortunately I will stop learning for a while, because my actual project
isn't adequate to use Haskell.
But I already can feel functional concepts being useful to apply in other
languages.
The time spent was worthy.
And I have no fear of novelties* anymore.   ; )

Davi

* -> even ~70-year old "novelties"  :)

On Sat, Jul 30, 2011 at 9:01 AM, Daniël de Kok <me at danieldk.eu> wrote:

> Hi Davi,
>
> On Jul 25, 2011, at 11:17 PM, Davi Santos wrote:
>
> the first and best I found was http://learnyouahaskell.com/chapters.
> The point is that I spent too much time (almost a year) learning, and I am
> not -productive- yet.
>
>
> I think Learn You a Haskell is a good book. But if it is all too
> overwhelming I echo the recommendations for Graham Hutton's book - it is
> short and simple.
>
> Other than that, I can only say: write, write, write. I lot of things are
> easier than they seem once you start using them. If you are a Unix user, a
> good way to start is to write small utilities you'd write in sh, Python,
> Perl, or Ruby in Haskell from now on. Start with stupid, obvious
> implementations, and refine them as you learn new abstractions and patterns.
>
> This worked very well for me, some of my first Haskell programs were:
>
> - Randomly pick n lines from a file.
> - Normalize sets of scores.
> - Filter lists of features in files.
>
> Just basic things that I needed at work, and I'd normally write a Python
> script for.
>
> Once you have written some code and read about an abstraction, you'll
> probably think "oh, this would improve program XYZ".
>
> Good luck,
> Daniël
>
>
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