defined at tcfail036.hs:8 and defined at tcfail036.hs:6
tcfail036.hs:8:
- No instance for `Show NUM'
+ No instance for `Eq NUM'
arising from an instance declaration at tcfail036.hs:8
tcfail036.hs:8:
- No instance for `Eq NUM'
+ No instance for `Show NUM'
arising from an instance declaration at tcfail036.hs:8
tcfail036.hs:9: