[Haskell-cafe] Transformation sequence

[R Hayes]

I know that this is a resolved question, but wouldn't Huet's Zipper  
also work for this


On Oct 20, 2007, at 5:26 PM, Alfonso Acosta wrote:

> On 10/20/07, Mads Lindstrøm <mads_lindstroem at yahoo.dk> wrote:
>
>> I am not a monad-expect, so I may be wrong, but wouldn't a writer  
>> monad
>> be more appropriate?
>
> You are at least more monad-expert than myself . I knew the existence
> of the writer monad but not really how it works. After checking its
> documentation I must say you and Brandon are right. Using the Writer
> Monad makes sense.
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