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Created January 10, 2019 17:48
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[3 of 4] Compiling Data.Ranged.RangedSet ( Data/Ranged/RangedSet.hs, dist/build/Data/Ranged/RangedSet.o )
Data/Ranged/RangedSet.hs:75:10: error:
• Could not deduce (Semigroup (RSet a))
arising from the superclasses of an instance declaration
from the context: DiscreteOrdered a
bound by the instance declaration
at Data/Ranged/RangedSet.hs:75:10-45
• In the instance declaration for ‘Monoid (RSet a)’
|
75 | instance DiscreteOrdered a => Monoid (RSet a) where
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
builder for '/nix/store/z4g4whsaf1y7mnm3azqi0526z9awij5a-Ranged-sets-0.3.0.drv' failed with exit code 1
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