[Haskell-cafe] Wikipedia on first-class object
cristi at ot.onrc.ro
Fri Dec 28 01:49:14 EST 2007
On Thu, 27 Dec 2007 18:45:23 +0200, Jonathan Cast
<jonathanccast at fastmail.fm> wrote:
> On 27 Dec 2007, at 9:57 AM, Cristian Baboi wrote:
>> Good to know. I intended to use Haskell for algorithms, but it seems it
>> is not so good at them.
> Very sad. The entire point of Haskell is that it allows the user to
> transcend the algorithm as a way of expressing computations.
> I hope someday you may understand Haskell, rather than just criticizing
I'm begining to understand it. "Criticizing" it's just a tehnique to allow
me to understand it better.
This is what I understood:
- there is no distinction of data from functions. This seem more like a
matter of definiton: what I call X, the X + Y or just X.
- functions can be manipulated the same way as data. This does not sound
- functions can be manipulated as easy as data. This seems better.
- functional programming is declarative. One may take a picture of all
those pebbles, but their arrangemant does not make sense to him because no
part of it resemble the original description.
- one cannot print "things" that cannot be traversed in a sequential way
The last two seems to be in contradiction.
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