2 tcfail067.hs:65: Warning:
3 No explicit method nor default method for `abs'
4 in an instance declaration for `Num'
6 tcfail067.hs:65: Warning:
7 No explicit method nor default method for `signum'
8 in an instance declaration for `Num'
12 No instance for: `Ord a'
13 arising from use of `SubRange', at tcfail067.hs:76
14 Available context: (Num a)
15 When checking the type signature(s) for `numSubRangeBinOp'
18 No instance for: `Ord a'
19 arising from use of `numSubRangeNegate', at tcfail067.hs:61
20 Available context: (Eq (SubRange a), Show (SubRange a), Eval (SubRange a))
21 From the superclasses of the instance declaration
24 No instance for: `Show (SubRange a)'
25 arising from an instance declaration, at tcfail067.hs:65
26 Available context: (Eq (SubRange a), Show (SubRange a), Eval (SubRange a))
27 From the superclasses of the instance declaration
30 Compilation had errors