In article <[EMAIL PROTECTED]>,
"NamO" <[EMAIL PROTECTED]> wrote:
> But above source make an error like bellow
>
> Reading file "g:\Haskell\OperationTest.hs":
> Dependency analysis
> ERROR "g:\Haskell\OperationTest.hs":8 - Ambiguous variable occurrence "+"
> *** Could refer to: OperationTest.+ Prelude.+
There's already a definition for (+) imported from the Prelude. When you
write "Succ (m + n)" the interpreter doesn't know whether you mean the
one you've just defined ("OperationTest.+") or the one imported from the
Prelude ("Prelude.+").
--
Ashley Yakeley, Seattle WA
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