+++ /dev/null
-
-tcfail065.hs:28:
- Inferred type is less polymorphic than expected
- Quantified type variable `x' is unified with `x'
- Signature type: forall x. x -> X x1 -> X x1
- Type to generalise: x -> X x -> X x
- When checking the type signature for `setX'
- In the definition for method `setX'