Re: [Haskell-beginners] Need help understanding (1) typeclass instances that have multiple parameter types, and (2) overlapping instances

On Jun 26, 2011, at 9:33 AM, Costello, Roger L. wrote:

instance MyShow (Int, Int) where toString (a, b) = toString a ++ ", " ++ toString b

The first instance has one parameter type (Int) and the second instance has two parameter types (Int, Int).

I'm not sure what you mean by "two parameter types" here. The instance has one parameter type: a pair of ints. ____________________ David Place Owner, Panpipes Ho! LLC http://panpipesho.com d@vidplace.com