Is 78 characters still a good option? Was: [Haskell-cafe] breaking too long lines

Miguel Mitrofanov miguelimo38 at
Sat Apr 25 11:38:59 EDT 2009

On 25 Apr 2009, at 19:08, Felipe Lessa wrote:

> On Sat, Apr 25, 2009 at 10:34:05AM -0400, Xiao-Yong Jin wrote:
>> You don't write lisp, do you?  Or probably it is just me.
>> But I would prefer to write the line as
>> newtype MyCoolMonad = MyCoolMonad (FirstTransformer
>>                                   (SecondTransformer
>>                                    (ThirdTransformer Whatever)))
>>    deriving (Functor, Monad,
>>              FirstClass, SecondClass, ThirdClass, SomeOtherClass)
> Doubtlessly, this is better than a one-liner, and I don't write
> lisp :).

Doubtfully, after reading a message from Daniel Fischer.

> Also, I don't mistake the transformers as different
> parameters because of the parenthesis

You should really try Lisp. In my opinion, parenthesis are a kind of  
noise - too small, too many.

> and because they're
> transformers, reading their names gives you a clue of how they
> may be used.

So... you really think transformers CAN'T be parameters? You're going  
to be surprised.

>  Whoever knows transformers expect to see this kind
> of nesting.

Whoever knows Haskell - no offense - expects to see both.

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