[Haskell-cafe] FGL instance constraint

[Ivan Miljenovic]

Sorry for the useless noise, I realised just after I sent this that
that is what Jason said initially :s

On 1 May 2010 17:02, Ivan Lazar Miljenovic <ivan.miljenovic at gmail.com> wrote:
> "Brandon S. Allbery KF8NH" <allbery at ece.cmu.edu> writes:
>
>> On May 1, 2010, at 02:38 , Jason Dagit wrote:
>>> Why wasn't the Graph class designed this way?  My guess:  It was
>>> probably a decision that predated multiparameter type classes.
>>
>>
>> Or a specific decision was made to stick to Haskell'98 compatibility.
>
> I would also hazard a guess that it predates MPTCs (but don't know when
> that extension that came out so I can't be sure).
>
> --
> Ivan Lazar Miljenovic
> Ivan.Miljenovic at gmail.com
> IvanMiljenovic.wordpress.com
>



-- 
Ivan Lazar Miljenovic
Ivan.Miljenovic at gmail.com
IvanMiljenovic.wordpress.com