[Haskell-beginners] Lang extension (almost solved)

David McBride dmcbride at neondsl.com
Wed Aug 10 17:46:14 CEST 2011


import GHC.PArr as the other guy said.  That is where all the
functions are located.  It is part of base, and every haskell
installation already has base in it.

If you need to find out where functions are, go to hackage and click
on hayoo and look them up.

On Wed, Aug 10, 2011 at 11:42 AM, Luca Ciciriello
<luca_ciciriello at hotmail.com> wrote:
> You are right, my mistake, but this don't solve my problem :-)))
> Luca
> On Aug 10, 2011, at 5:37 PM, Colin Adams wrote:
>
> You don't import packages, you import modules.
>
> On 10 August 2011 16:29, Luca Ciciriello <luca_ciciriello at hotmail.com>
> wrote:
>>
>> Yes, but in the release note of GHC 7.2.1 there is this sentence:
>> Most of GHC.PArr has been moved into the dph package. Only
>> the [::] datatype remains.
>> My question is which are the packages to import to use dph?
>>
>> Luca
>> On Aug 10, 2011, at 5:21 PM, Daniel Seidel wrote:
>>
>> On Wed, 2011-08-10 at 17:12 +0200, Luca Ciciriello wrote:
>>
>> Ok, I've replaced {-# LANGUAGE PArr #-} with {-# LANGUAGE ParallelArrays
>> #-}.
>>
>> now my problem is that the compiler is unable to find "elemP" and "foldP"
>>
>> Wich package have I to import?
>>
>> Hayoo (http://holumbus.fh-wedel.de/hayoo/) says:
>>
>> GHC.PArr.elemP:: a -> [:a:] -> Bool
>>
>> Cheers,
>>
>> Daniel.
>>
>>
>> Luca.
>>
>> On Aug 10, 2011, at 5:04 PM, Luca Ciciriello wrote:
>>
>> Hi All.
>>
>> I've just installed GHC 7.2.1 And I've some problems with my old code.
>>
>> To use the parallel List [: :] in my code I use {-# LANGUAGE PArr #-}. Now
>> the new compiler tells me the the extension PArr is unsupported. If I remove
>> {-# LANGUAGE PArr #-} the sinter [: compiled by GHC. Wich extension I've to
>> use in order to built my code?
>>
>> Thanks in Advance for any answer (I've installed GHC 7.2.1 on MacOS X
>> Lion, Xcode 4.1)
>>
>> Luca.
>>
>>
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