tcfail010.hs:3: No instance for:
		    `PrelBase.Num [t{-aHi-}]'
    tcfail010.hs:3:
	at a use of an overloaded identifier: `PrelBase.+'
 
tcfail010.hs:3: No instance for:
		    `PrelBase.Num [t{-aHi-}]'
    tcfail010.hs:3:
	at a use of an overloaded identifier: `PrelBase.+'


Compilation had errors