2 tcfail067.hs:65: Warning:
3 No explicit method nor default method for `PrelBase.signum'
4 in an instance declaration for `PrelBase.Num'
6 tcfail067.hs:65: Warning:
7 No explicit method nor default method for `PrelBase.abs'
8 in an instance declaration for `PrelBase.Num'
12 Could not deduce `PrelBase.Ord a'
13 (arising from use of `SubRange' at tcfail067.hs:65)
14 from the context: (PrelBase.Num (SubRange _97), PrelBase.Num _97, PrelBase.Eq (SubRange _97), PrelBase.Show (SubRange _97), PrelBase.Eq (SubRange _97), PrelBase.Show (SubRange _97))
15 Probable cause: missing `PrelBase.Ord a'
16 in instance declaration context
17 When checking the methods of an instance declaration
20 Could not deduce `PrelBase.Show (SubRange a)'
21 (arising from an instance declaration at tcfail067.hs:65)
22 from the context: (PrelBase.Num _97)
23 Probable cause: missing `PrelBase.Show (SubRange a)'
24 in instance declaration context
25 or missing instance declaration for `PrelBase.Show (SubRange a)'
26 When checking the superclasses of an instance declaration
29 Could not deduce `PrelBase.Ord a'
30 (arising from use of `SubRange' at tcfail067.hs:74)
31 from the context: (PrelBase.Num a)
32 Probable cause: missing `PrelBase.Ord a'
33 in type signature for `numSubRangeBinOp'
34 When checking the type signature(s) for `numSubRangeBinOp'
37 Compilation had errors