Instance Declaration discrepancy

Saswat Anand [email protected]
Sat, 2 Jun 2001 17:23:04 +0800


> I am sorry for the typos. It should have been
> 
> instance (Integral a) => Show a where
>  sh a = "Integer " ++ (show a)
> 
> 
> 
> class MyShow a where
>  sh :: a -> String
> 
> instance (Integral a) => Show a where
>  sh = "Integer " + show a
> 
> Ghc 5.00.1 (with -fglasgow-exts) does not accept the above, while hugs
> with extensions has no problem with this. Is it a bug?
> 
> Thanks,
> S
> 
> 
> 
> 
>