[Haskell-beginners] Functional analysis and design

[Gianfranco Alongi]

You will seldom find the 'best' solution immediately - remember that
lectures are prepared
and so is most of the things you see.

Write something that works, then make it pretty,
if you can prove by numbers (measurements) that it needs/can be
optimized, do it.

For this reason, I do TDD - building a set of regression
tests which I can lean on for refactoring.

G

On Sat, Jan 5, 2013 at 12:10 PM, Martin Drautzburg <Martin.Drautzburg at web.de
> wrote:

> Hello all,
>
> often, when I read tutorials or lectures about haskell, I am absolutely
> intrigued by the solutions presented there. It often creates this "aha"
> effect
> and I think "yes, this perfectly describes the problem to solve, this is
> what
> the problem IS".
>
> But alas, I have difficulties to come up with equally brilliant solutions
> for
> my own problems. As for learning haskell, I am now pretty comfortable with
> it,
> but I fail to apply it to real world problems.
>
> I am pretty good at semantic data modelling, but this technique gives me
> nothing but trouble, when I try to apply it in the functional world (while
> it
> works well in the OO world).
>
> What I am trying now it asking "what do I want the system to compute in the
> first place" and then think about how to implement these top-level
> functions.
> Do you think that this is a good way to start?
>
> Other than that I was trying to find some information about haskell as a
> specification language, but could not find anything. Is this a sensible
> idea
> at all? If not, how would you write a specification if not in haskell
> itself?
>
> So if you have any pointers on how to address a non-trivial problem in
> haskell, this would by much appreciated.
>
> --
> Martin
>
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