2 tcfail067.hs:65: No explicit method nor default method for `PrelBase.abs'
3 in an instance declaration for `PrelBase.Num'
5 tcfail067.hs:65: No explicit method nor default method for `PrelBase.signum'
6 in an instance declaration for `PrelBase.Num'
8 tcfail067.hs:1: Context `{PrelBase.Ord ta174}'
9 required by inferred type, but missing on a type signature
10 `PrelBase.Ord ta174' arising from use of `SubRange' at tcfail067.hs:76
11 When checking signature(s) for: `numSubRangeBinOp'
13 tcfail067.hs:65: Context `{PrelBase.Ord ta18F}'
14 required by inferred type, but missing on a type signature
15 `PrelBase.Ord ta18F' arising from use of `numSubRangeNegate' at tcfail067.hs:61
16 When checking methods of an instance declaration
18 Compilation had errors