+ GHC.Word
+ extensions: MagicHash, ExistentialQuantification, Rank2Types,
+ ScopedTypeVariables, UnboxedTuples,
+ ForeignFunctionInterface, UnliftedFFITypes,
+ DeriveDataTypeable, GeneralizedNewtypeDeriving,
+ FlexibleInstances, PatternSignatures, StandaloneDeriving,
+ PatternGuards, EmptyDataDecls