[Haskell-cafe] Haskell Debugging

[Valentin Gjorgjioski]

On 15.11.2006 17:38 Ross Paterson wrote:
> On Mon, Nov 13, 2006 at 04:32:34PM +0100, Valentin Gjorgjioski wrote:
>   
>> import Hugs.Observe
>>
>> ex8 :: [Float]
>> ex8 = (observe "after reverse" ) reverse  [10.0,7.0,3.0,0.0,4.0]
>>
>> gives me
>>
>>     
>>> ex8
>>>       
>> [4.0,0.0,3.0,7.0,10.0]
>>
>>     
>>>>>>>>> Observations <<<<<<
>>>>>>>>>                   
>> after reverse
>>   { \ ($-990871 : $-990888 : $-990905 : $-990922 : $-990939 : [])  -> 
>> $-990939 : $-990922 : $-990905 : $-990888 : $-990871 : []
>>   }
>>     
>
> It's a Hugs bug (Float only, Double is fine).  Now fixed in CVS.
>   
Oh, thanks a lot. Nice to hear good news.

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-- 
Valentin Gjorgjioski
Bachelor of Computer Science
Department of Knowledge Technologies, Jozef Stefan Institute
Jamova 39, SI-1000 Ljubljana, Slovenia
Phone:	+386 1 477 3343
Fax:	+386 1 477 3315
Web:	http://kt.ijs.si/ValentinGjorgjioski/
Email: 	Valentin.Gjorgjioski at ijs.si