[Haskell-cafe] The C Equiv of != in Haskell miscommunication thread

[Vincent Kraeutler]

i would just like to say thank you for all the extensive replies. after
fiddling with them for an afternoon i'm positive i grokked the concept.

it's just too bad the nice wrapper concept from [1] does not seem to be
directly applicable to fix in haskell, since they require untyped
side-effects....

anyhow, this has been very instructive.
thanks again!
v.

[1] http://citeseer.ist.psu.edu/mcadams01practical.html

Jason Dagit wrote:
> On 5/28/07, Donald Bruce Stewart <dons at cse.unsw.edu.au> wrote:
>> This thread should end, guys. It is inappropriate for the Haskell lists,
>> and appears to have been a simple misunderstanding anyway.
>>
>> Thanks everyone. Please stay friendly!
>>
>> -- Don
>>
>> P.S. Have some cute code:
>>
>>     Control.Monad.Fix.fix ((1:) . scanl (+) 1)
>
> Speaking of cute code, I'm fond of this:
>
> map length . List.group . Control.Monad.Fix.fix $ show
>
> And other (longer) variations which generate only powers of two.  It's
> a great conversation starter for teaching about fix.
>
> Jason
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>


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