2 tcfail044.hs:12: Warning:
3 No explicit method nor default method for `signum'
4 in an instance declaration for `Num'
6 tcfail044.hs:12: Warning:
7 No explicit method nor default method for `abs'
8 in an instance declaration for `Num'
10 tcfail044.hs:5: Warning:
11 No explicit method nor default method for `=='
12 in an instance declaration for `Eq'
16 Illegal instance declaration for `Num (a -> a)'
17 (the instance type must be of form (T a b c)
18 where T is not a synonym, and a,b,c are distinct type variables)
21 Illegal instance declaration for `Eq (a -> a)'
22 (the instance type must be of form (T a b c)
23 where T is not a synonym, and a,b,c are distinct type variables)
26 Compilation had errors