[Haskell-cafe] about Haskell code written to be "too smart"

[Conal Elliott]

Manlio,

We live in the age of participation -- of co-education.  Don't worry about
text-books.  Contribute to some wiki pages & blogs today that share these
smart techniques with others.

<twocents>Learning/progress is mainly results when people respond to their
own incomprehension by moving into new & challenging ideas, not by banishing
them.  Puzzlement can be met by resistance or by embracing &
learning.</twocents>


On Tue, Mar 24, 2009 at 3:15 PM, Manlio Perillo <manlio_perillo at libero.it>wrote:

> Dan Piponi ha scritto:
>
>> Miguel Mitrofanov wrote:
>>>
>>>> takeList = evalState . mapM (State . splitAt)
>>>>
>>>
>>  However, ironically, I stopped using them for pretty
>>> much the same reason that Manlio is saying.
>>>
>>
>> Are you saying there's a problem with this implementation? It's the
>> only one I could just read immediately.
>>
>
> Yes, you understand it immediately once you know what a state monad is.
> But how well is introduced, explained and emphasized the state monad in
> current textbooks?
>
> When I started learning Haskell, the first thing I learned was recursion
> and pattern matching.
>
> So, this may be the reason why I find more readable my takeList solution.
>
>
> > [...]
>
>
> Manlio
>
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