Resolving dependencies...
Downloading sorted-0.0.1...
Configuring sorted-0.0.1...
Building sorted-0.0.1...
Preprocessing library sorted-0.0.1...
[1 of 1] Compiling Data.Sorted      ( src/Data/Sorted.hs, dist/build/Data/Sorted.o )

src/Data/Sorted.hs:25:9:
    Ambiguous occurrence `map'
    It could refer to either `Data.Sorted.map',
                             defined at src/Data/Sorted.hs:91:1
                          or `P.map',
                             imported from `Prelude' at src/Data/Sorted.hs:32:1-35
                             (and originally defined in `GHC.Base')
Failed to install sorted-0.0.1
cabal: Error: some packages failed to install:
sorted-0.0.1 failed during the building phase. The exception was:
ExitFailure 1