tcfail040.hs:19:
- Cannot resolve the ambiguous context (ORD aG5)
- `ORD aG5' arising from use of `<<', at tcfail040.hs:19
+ Ambiguous type variable(s) `a'
+ in the constraint `ORD a'
+ arising from use of `<<' at tcfail040.hs:19
Compilation had errors
+