Prob with numeric values

[Jos Mistiaen]

Hello,

I m having some difficulties with the following thing:

I've made a class which looks somehow like this:
class A a where
   inc::a->a
   ....

now, when I want to make a instance of it with type Int and define the
function inc like this:

instance A Int where
     inc a = a + 1

I can't make a call to it when I enter the folowing

inc 5

(When I type inc 5::Int it does the job perfectly, because I explicitly say 
5 is an Integer, but how can I tell the program 5 is an Int?????ithout 
saying it explicitly in the prompt)

What s being the problem here?? Am I overlooking something here?
If you can help me... don't hesitate to contact me

Thx,

a haskell-lover

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