Resolving dependencies...
Configuring happraise-0.1...
Building happraise-0.1...
Preprocessing executable 'happraise' for happraise-0.1...
[1 of 1] Compiling Main             ( Main.hs, dist/build/happraise/happraise-tmp/Main.o )

Main.hs:250:18:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Main.Word’, defined at Main.hs:114:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Main.hs:6:8-11
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)

Main.hs:251:18:
    Ambiguous occurrence ‘Word’
    It could refer to either ‘Main.Word’, defined at Main.hs:114:1
                          or ‘Prelude.Word’,
                             imported from ‘Prelude’ at Main.hs:6:8-11
                             (and originally defined in ‘ghc-prim-0.4.0.0:GHC.Types’)
Failed to install happraise-0.1
cabal: Error: some packages failed to install:
happraise-0.1 failed during the building phase. The exception was:
ExitFailure 1