Failed to build Diff-0.5.
Build log (
/home/thedeen/.cabal/logs/ghc-8.10.7/Diff-0.5-824320d4150900a749e46acef6c09bac2b1a7cd68fd35cd8276a9028fb247189.log
):
Configuring library for Diff-0.5…
Preprocessing library for Diff-0.5…
Building library for Diff-0.5…
[1 of 3] Compiling Data.Algorithm.Diff ( src/Data/Algorithm/Diff.hs, dist/build/Data/Algorithm/Diff.o, dist/build/Data/Algorithm/Diff.dyn_o )
[2 of 3] Compiling Data.Algorithm.DiffContext ( src/Data/Algorithm/DiffContext.hs, dist/build/Data/Algorithm/DiffContext.o, dist/build/Data/Algorithm/DiffContext.dyn_o )
src/Data/Algorithm/DiffContext.hs:22:1: error: [-Wunused-imports, -Werror=unused-imports]
The import of ‘Data.Monoid’ is redundant
except perhaps to import instances from ‘Data.Monoid’
To import instances alone, use: import Data.Monoid()